Frequently Asked Questions (FAQs)

Which operating systems and industrial platforms do solid-state drives support? Are additional drivers required?

System Compatibility: Windows (including XP/7/10/Embedded Edition), Linux (Ubuntu, CentOS, etc.), VxWorks, Galaxy Kylin, NeoKylin, DOS (e.g., CF memory card compatible with PC104 motherboard).

What type of solid-state drive (SSD) is suitable for miniature industrial devices (such as miniature servers and embedded modules)?

M.2 2242 (42mm×22mm): Such as M.2 2242 NVMe/SATA, compatible with ultra-thin devices.

What are the installation methods for solid-state drives? Are professional tools required?

Installation Method: 2.5-inch SATA is secured with screws (compatible with standard drive bays); mSATA/M.2 is secured with clips + screws (requires matching the device slot); BGA package requires soldering (soldering specifications are provided by the manufacturer).

Which parameters of solid-state drives are customizable? What is the approximate customization cycle?

Customizable Parameters: Capacity (Below 32GB / Above 8TB), Interface Type (e.g., Customized PCIe 4.0 Interface), Protection Level (IP67/IP68), Operating Temperature (e.g., -60℃~130℃), Data Destruction Function (Hardware Destruction Trigger Mode), Firmware Function (e.g., Customized Power-off Protection Duration)

Is an additional fee required for customized solid-state drives? How is the fee calculated?

Custom development fees shall be paid, and the fees are calculated based on the complexity of the customization.

Do customized products enjoy the same warranty and after-sales service as standard products?

Yes, customized products also come with a 5-year warranty, and the after-sales process is consistent with that of standard products; if problems occur with customized functions (such as exclusive firmware), the manufacturer provides free firmware upgrades or hardware replacement to ensure the normal operation of the device.

What information is required when submitting customized requirements?

Please provide the following:

Device application scenarios (e.g., in-vehicle, medical);

Core requirements (e.g., capacity, temperature, interface, special functions);

Device power supply parameters (voltage, current);

Estimated purchase quantity and delivery time;

Other special requirements (e.g., compliance certification, appearance design).

What data security features do solid state drives (SSDs) support? How to prevent data leakage?

Basic Protection: TRIM/NCQ/S.M.A.R.T functions for real-time monitoring of hard disk health status; Short-circuit Protection and Undervoltage Protection to prevent data loss caused by unexpected power outage.

Will data be lost if a solid-state drive is left idle for a long time?

Under normal circumstances, the data retention time of TLC/MLC/SLC flash memory exceeds 10 years (at room temperature); if left idle for a long time in extreme temperatures (such as below -45℃ or above 90℃), it is recommended to power it on once every 2-3 years (for more than 1 hour) to refresh the data and ensure storage stability.

Can solid state drives operate in extreme temperature environments? What are the operating and storage temperature ranges respectively?

Industrial: Operating Temperature -40℃~+85℃, Storage Temperature -45℃~+90℃, compatible with scenarios such as high-temperature workshops, outdoor low-temperature environments, etc.

What anti-interference and anti-shock capabilities does the product have? Has it obtained relevant certifications?

Protection Capability: Equipped with all-metal shielded enclosure and potting process to resist electromagnetic interference; passed GJB150A environmental tests (vibration: 20Hz~2000Hz, shock: 200m/s²); some ruggedized models can withstand 20,000 g acceleration.

Is additional protection required for use in humid and dusty environments?

Industrial and Military-spec product enclosures mostly adopt a sealed design, which can withstand 5%~95% non-condensing humidity, and no additional protection is required in dusty environments; for underwater or high-dust scenarios (such as mining equipment), you can consult the manufacturer to customize models with a protection rating of IP67 or higher.

How to monitor the operating status of solid-state drives in real time? Are there any recommended tools?

Built-in Features: Check hard disk health (such as remaining lifespan, number of bad sectors) via the S.M.A.R.T function. For most industrial devices, hard disk health can be viewed through the system's built-in tools (e.g., Windows "Disk Management", Linux "smartctl" command).

Do solid-state drives require regular maintenance? What are the precautions for daily maintenance?

No frequent maintenance is required. It is recommended to conduct a basic inspection every 3 months.

How to extend the service life of solid-state drives for long-running industrial equipment?

Control Write Volume: Avoid meaningless frequent writes (e.g., log files can be configured to use "Scheduled Writing" instead of "Real-time Writing").

How to troubleshoot the root causes of read/write errors on a SSD (SSD)?

Troubleshoot according to the following steps:

1. Check if the power supply is stable (measure voltage fluctuations with a multimeter);

2. Re-plug the hard drive or replace the data cable (rule out poor contact);

3. Scan the hard drive using the manufacturer's detection tool (such as exclusive software) to confirm whether there are bad sectors;

4. If a hardware fault is identified through troubleshooting, contact after-sales service to apply for repair / replacement.

What are the sequential read and write speeds of solid state drives (SSDs) with different protocols respectively?

SATA Protocol (including 2.5-inch, mSATA, M.2 SATA): Maximum sequential read speed up to 520MB/s, maximum sequential write speed up to 480MB/s.

What is the capacity range of solid state drives? Do you support customization of larger capacities?

Standard Capacity: Industrial 128GB~8TB (2.5-inch SATA), Enterprise 256GB~2TB (M.2 SATA), Military-spec 32GB~256GB.

How to Choose Between SSDs with TLC, MLC, and SLC Flash Memory Types?

SLC: Highest number of erase/write cycles (30000PE), longest lifespan, suitable for high-frequency erase/write scenarios (such as industrial recorders, real-time data acquisition modules), but with smaller capacities (mostly 4GB~64GB).

What is the approximate power consumption of different models of solid state drives? Are there any low-power models recommended?

Power Consumption Range: 2.5-inch SATA (≤1.5W for 128GB, ≤12W for 8TB), mSATA (≤2.0W for 256GB), M.2 2242 (≤3.5W for 1TB), BGA Package (≤1.2W for 128GB).

Will unstable power supply to industrial equipment affect the operation of solid-state drives? How to avoid this?

Unstable power supply may cause hard disk power loss and data loss.

What is the "Static Power Consumption" of a SSD (SSD)? Does it affect device battery life?

Static Power Consumption refers to the power consumption of a hard disk drive in the "Standby State" (without reading or writing data). For most models, the static power consumption is ≤0.1W (such as SDC Modules, PATA DOM), which has minimal impact on the battery life of industrial equipment and is suitable for battery-powered portable devices (such as handheld testing instruments).

What are the core differences between Industrial, Enterprise, and Military-spec solid-state drives?

Industrial: Focuses on compatibility with complex industrial environments, supports a wide temperature range of -40℃~+85℃, vibration/electromagnetic interference resistance, and is compatible with scenarios such as industrial automation and medical equipment;

Enterprise: Focuses on high-frequency and stable requirements such as data centers and servers, supports 7×24-hour operation, balances performance and cost, and is compatible with enterprise IT architectures;

Military-spec: Centers on extreme environments with grade-dependent wide-temperature operation (e.g. −55 °C to +95 °C on wide-temperature SATA SSD modules; up to +105 °C on selected memory and pSLC devices), for vehicle-mounted terminals, shipborne equipment, and autonomous scenarios.

How to choose between mSATA, M.2 SATA, and M.2 NVMe interfaces?

mSATA: 50mm×30mm compact design, compatible with SATA III protocol, ideal for multi-bay high-density deployment.

What are the differences in application scenarios between Dramless (cache-less) solid-state drives and cache-equipped solid-state drives?

Dramless (Cache-free): Features lower cost and superior power efficiency. It ensures medium-to-high frequency read/write demands (e.g., industrial automation control hosts, IoT edge gateways) with capacities ranging from 128GB to 8TB.

What does "Terabytes Written (TBW)" mean? What are the approximate TBW values for models with different capacities?

TBW refers to the total amount of data that can be safely written to a solid-state drive (SSD) over its entire lifespan, and it is a core indicator for measuring lifespan (tolerance ±10%).

After upgrading the solid-state drive, how to migrate the original data? Is there any risk?

Migration Method: Use Industrial data migration tools (such as Clonezilla), or migrate via the "Partition Clone" function.

How to determine whether the solid-state drive (SSD) in your existing device needs an upgrade?

It is recommended to upgrade in the following situations:

Significant decrease in read/write speed (e.g., the original speed drops from 300MB/s to below 100MB/s);

Frequent occurrence of "Bad Block Warning" (detected via S.M.A.R.T tools);

Insufficient storage capacity (unable to meet the requirements of the device's new features);

After upgrading the device (e.g., CPU or memory upgrade), the hard drive becomes a performance bottleneck.

What parameters need to be matched when replacing solid-state drives of brands such as Micron and Samsung?

Four core parameters need to be matched:

Interface Type (SATA/mSATA/M.2 NVMe);

Physical Dimensions (e.g., 2.5-inch, M.2 2280);

Operating Temperature Range (Ensure that the new hard drive covers the actual operating temperature of the device);

Protocol Version (e.g., SATA III, NVMe 1.4), to avoid performance limitations caused by protocol incompatibility.

When upgrading old devices (such as outdated industrial computers) to solid-state drives (SSDs), is it necessary to modify the BIOS settings?

No modification is required in most cases, but please note the following:

If the BIOS version of the device is outdated (e.g., before 2010), please confirm whether it supports "AHCI Mode" (for SATA hard drives) or "NVMe Protocol" (for NVMe hard drives). If not supported, the BIOS needs to be upgraded;

The BIOS of some industrial devices has a "Hardware Whitelist". Please contact the manufacturer in advance to confirm compatibility, or provide the device model for the manufacturer to assist with testing.

Which type of solid-state drive (SSD) is suitable for medical devices (such as diagnostic instruments and patient monitors)?

Recommend "Industrial SSDs (SSDs)" (e.g., All High-Quality 2.5-inch SATA).

Which type of solid-state drive (SSD) should be selected for automotive electronics (such as autonomous driving data collection, vehicle-mounted terminals)?

Prioritize Military-spec mSATA or M.2 2280 NVMe.

For scenarios with extremely high requirements, which solid-state drive (SSD) should be chosen?

Must select Military-spec ruggedized storage drives (such as ruggedized NVMe/SATA storage drives).

What special requirements do Edge Computing Gateway Devices have for solid-state drives (SSDs)? Which models are recommended?

Requirements: Low Power Consumption, Compact Size, High-Speed Reading and Writing.

How long is the warranty period for solid state drives? What does the warranty cover?

Warranty Period: Industrial, Enterprise and Military-spec products all come with a 5-year warranty, and some customized models can be extended to 8 years.

Can repair services still be provided for products beyond the warranty period?

Yes, products beyond the warranty period are eligible for the "Paid Repair Service". The manufacturer provides free fault diagnosis, the repair cost will be quoted based on the damaged parts, and a 3-month warranty will be provided after repair.

Can on-site technical support be provided after bulk purchase?

Support: For customers with bulk purchases (≥3000 units), the manufacturer can dispatch engineers to provide on-site technical support including installation guidance, compatibility testing, and troubleshooting. The specific service content can be specified in the procurement contract.

What is the difference between industrial SSD and enterprise SSD?

Industrial SSDs are built for 24/7 operation, wider temperature ranges (typically -40°C to 85°C or beyond), and higher endurance in harsh environments. Enterprise SSDs target data-center workloads with emphasis on capacity, throughput, and standard ambient temperatures (0°C to 70°C).

Choose industrial SSD when your application faces vibration, extreme heat or cold, or embedded/field deployment. Choose enterprise SSD for server and cloud storage at controlled temperatures.

Loongtion offers both lines: see /products/industrial and /products/enterprise.

What is the difference between M.2 2280 and M.2 2242 SSD?

M.2 2280 is 22 mm wide × 80 mm long — the most common size for industrial and enterprise NVMe/SATA modules with more NAND capacity and better thermal headroom.

M.2 2242 is 22 mm × 42 mm — a compact form factor for space-limited embedded boards, IoT gateways and thin IPC.

Both are available in Loongtion industrial lines: /products/industrial-NVMe-ssd and related M.2 product pages. Match the module length to your board slot and mechanical clearance.

When should I choose NVMe over SATA for industrial applications?

Choose NVMe when you need higher sequential and random I/O, lower latency, and modern host interfaces (PCIe). SATA remains appropriate for legacy IPC platforms, simpler firmware stacks, or when power and BOM cost are tight constraints.

For new industrial designs with PCIe available, Loongtion industrial NVMe SSDs (/products/industrial-NVMe-ssd) typically deliver better performance per watt than SATA equivalents.

Which SSD form factors does Loongtion offer for industrial projects?

Loongtion industrial storage covers multiple form factors:
• M.2 2280 and 2242 (NVMe and SATA)
• 2.5" SATA SSD
• mSATA
• BGA solder-down SSD (NVMe and SATA)
• SATA DOM / storage modules
• eMMC and NAND flash chips

Browse by category: /products/industrial, /products/BGA-ssd, /products/industrial-sata-ssd.

What is BGA SSD and where is it used?

BGA (Ball Grid Array) SSD is a solder-down solid-state storage module designed for space-constrained embedded systems. Unlike removable M.2 or 2.5" drives, BGA SSD is mounted directly on the PCB, improving shock/vibration resistance and reducing footprint.

Typical applications: automotive ECU, telecom modules, rugged handhelds, and defense electronics. Loongtion BGA SSD products: /products/BGA-ssd.

Should I use 2.5 inch SATA SSD or M.2 NVMe for industrial equipment?

Use 2.5" SATA when your host has a legacy SATA bay, you need simpler integration, or BOM cost is critical.

Use M.2 NVMe when the platform supports PCIe, you need higher throughput and lower latency, and board space allows M.2.

For harsh environments, prioritize wide-temperature industrial grades and power-loss protection regardless of form factor. Loongtion 2.5" SATA: /products/industrial-sata-ssd; M.2 NVMe: /products/industrial-NVMe-ssd.

Industrial SSD vs consumer SSD: what are the key differences?

Consumer SSDs optimize for cost and desktop workloads. Industrial SSDs add:
• Wide-temperature operation (-40°C to 85°C or wider)
• Higher TBW/endurance for continuous writes
• Power-loss protection and firmware tuned for embedded uptime
• Longer product lifecycle and fixed BOM support

For mission-critical or outdoor/vehicle equipment, consumer SSDs are not recommended. Loongtion industrial products: /products/industrial.

What is a SATA DOM (Disk on Module) and when is it used?

SATA DOM is a small embedded storage module that connects via SATA — often vertically on the motherboard — instead of a removable 2.5" drive.

It is used in industrial control, kiosk, telecom and defense systems where shock, vibration and long uptime matter. Loongtion Warsoul SATA DOM: /products/warsoul-sata-dom.

What temperature range do Loongtion industrial SSDs support?

Many Loongtion industrial SSD and memory products support wide-temperature grades such as -40°C to 85°C (industrial) and extended ranges up to -55°C to 105°C on selected SKUs (e.g. GCC / harsh-environment lines).

Always confirm the exact grade on the product datasheet for your part number. Contact Loongtion FAE for application-specific validation: /contact.

What is the typical operating temperature range of an industrial SSD?

Standard industrial SSD grades are commonly rated -40°C to 85°C (industrial wide-temperature). Consumer SSDs are typically 0°C to 70°C.

Military-spec and GCC-oriented SKUs may extend to -55°C to 105°C or similar — always verify on the datasheet for your part number.

Operating temperature affects reliability, retention and throttling under sustained load in outdoor cabinets and vehicle electronics.

What is pSLC and why does it matter for industrial storage?

pSLC (pseudo-SLC) stores one bit per cell while using TLC/MLC NAND die, improving endurance and retention versus standard TLC at the cost of lower capacity.

It is commonly used in industrial eMMC and embedded modules where write endurance and data integrity matter more than maximum density. See Loongtion industrial eMMC and chip products under /products/storage-chips.

How to select storage for GCC / Middle East harsh environments?

For Gulf region deployments (UAE, Saudi Arabia, Qatar, etc.), prioritize:
• Wide-temperature rated components (-40°C to 85°C minimum; extended grades for outdoor enclosures)
• Validated thermal design and throttling behavior under sustained load
• Stable BOM and long lifecycle for field maintenance

Loongtion publishes region-focused solutions such as /lp/ddr4-gcc-extreme for extreme-heat DDR4 and offers rugged industrial SSD lines for field equipment.

Does Loongtion offer custom firmware or capacity for OEM projects?

Yes. Loongtion supports OEM/ODM customization including capacity tuning, labeling, packaging, firmware features, and reliability screening per project requirements.

Submit your application, quantity, and target specs via /custom-service or the product inquiry form on any product page.

What certifications do Loongtion products typically have?

Certifications vary by SKU and may include CE, FCC, RoHS, and other regional compliance marks. Military-spec product lines emphasize extended reliability validation and manufacturing controls beyond typical consumer-grade products.

Download datasheets from /downloads or request the compliance pack for your exact part number through /contact.

What is the typical lead time for industrial SSD orders?

Lead time depends on SKU, quantity, and customization level. Standard industrial SSD samples often ship within 1–2 weeks; volume production lead times are quoted per BOM.

For urgent projects, contact Loongtion sales with your part number and quantity via /contact or the on-page inquiry form.

How do I get the datasheet and quote?

Email is preferred (hi@loongtion.com) or use the inquiry form below. Select one of the three PNs in the dropdown. We usually reply within 24 hours (Monday–Friday) with PDF datasheet and commercial quotation.

Which part number should I choose?

8 GB YIDP008SAS-D for minimal boot images; 16 GB YIDP016SAS-D for typical embedded OS; 32 GB YIDP032SAS-D when you need more local log or application space. All three are SLC, Industrial Grade (1), −40°C to +85°C.

Will it fit my motherboard DOM socket?

This is a SATA DOM module with connector Samtec SQT-104-01-L-D per datasheet. Share your board model and incumbent PN (Supermicro SuperDOM, Innodisk Satadom, Kontron KSSD S-DOM, etc.)—we cross-check mechanical and electrical fit before you sample.

What is a SATA DOM?

A SATA DOM (disk on module) plugs into a dedicated DOM socket on an industrial motherboard for boot and primary storage—a vertical module footprint, not a removable bay drive.

What flash and speeds are specified?

SLC NAND flash. Datasheet reference: up to 100 MB/s sequential read and 80 MB/s sequential write on SATA II.

What temperature range is guaranteed?

Operating −40°C to +85°C and storage −45°C to +90°C (Industrial Grade (1)). Share enclosure peak temperature if you need validation on your hardware.

Can this replace Supermicro SuperDOM or Innodisk Satadom?

Many programs target those lines. Email the exact incumbent PN and motherboard—we confirm whether our SATA DOM module is a viable cross before you PO.

Are you a trading company?

No. Loongtion develops and releases this storage program in-house with Xi’an screening and direct engineering support on qualified programs.

What are MOQ, payment, and lead time?

See Commercial terms: often from 1 pc per PN when in stock; T/T 50%+50%; ship from Ningbo; bulk build typically 4–6 weeks.

What is your minimum order quantity?

No fixed MOQ. In-stock PNs can often ship from 1 piece. If we need to build, we quote the practical minimum for that PN. You may mix YIDP008SAS-D, YIDP016SAS-D, and YIDP032SAS-D on one PO.

Is this for military or defense use?

No. We do not market this SATA DOM for military or defense end-use. Industrial qualification is for harsh civilian infrastructure and embedded programs.

What should I send so you can quote quickly?

Company name, ship-to country, quantity and timeline, application, preferred grade if known, BOM or controller/memory map, enclosure temperature range, and any incumbent part number to match. Email to hi@loongtion.com with attachments, or use the form below.

Are you a trading company, distributor, or chip factory?

None of the above. Loongtion is the product owner: we define the device, adapt it to your platform, procure key materials, test and release from our own QA program, and support you directly. We are not a wafer fab, foundry, or PCB manufacturer.

What is the relationship between Loongtion and Yizhuo?

Yizhuo (Xi’an) has been our engineering and QA center since 2015. Loongtion (Ningbo), established 2024, is the global product-owner entity you contract with for export programs including GCC. Same team, same labs, same release process—you work with Loongtion; engineering accountability sits with our Xi’an center.

What temperature grades are available?

Industrial: -40°C to +85°C case (suffix (0))—this is the grade we guarantee on the orderable part numbers above. Extreme Environment: -55°C to +105°C (wide-temp -M, no (0)). Send enclosure peak temperature, sun load, and duty cycle—our engineering team will recommend a grade.

Industrial or Extreme for a hot GCC outdoor cabinet?

If the enclosure can exceed ~70°C or sees wide day–night ΔT (desert, roadside, unmanned hut), start with Extreme Environment. Controlled factory or indoor industrial ambient often fits Industrial (0). We validate against your thermal model, not guesswork.

Should I use ×8 or ×16 organization?

Match your memory controller and PCB layout: 1Gb×8 in FBGA78 or 512Mb×16 in FBGA96. Each chip is an 8Gb die (1GB byte capacity). Send your BOM or memory map—wrong organization is a common procurement mistake we help catch early.

Which part numbers can I order today?

Four production part numbers—see the orderable table above: industrial and extreme grades for ×8 and ×16. Full technical specification is emailed as PDF after inquiry.

Is this 8Gb DDR4 SDRAM for military or defense use?

No. We do not market this device for military or defense end-use. Extreme Environment grade (−55°C to +105°C) reflects harsh industrial qualification—Gulf oil & gas, outdoor telecom, remote infrastructure—not armed-forces programs. Technical scope per SKU is defined in the datasheet and quotation pack.

Is this 8Gb DDR4 DRAM Chip for military or defense use?

No. We do not market this device for military or defense end-use. Extreme Environment grade (−55°C to +105°C) reflects harsh industrial qualification—Gulf oil & gas, outdoor telecom, remote infrastructure—not armed-forces programs. Technical scope per SKU is defined in the datasheet and quotation pack.

What are your commercial terms (MOQ, payment, samples, delivery)?

See the full Commercial terms section: MOQ 20 pcs per PN, T/T 50% + 50%, default ship from Ningbo, China, bulk lead 4–6 weeks (working days), samples 1–5 pcs charged upfront (sample fee deducted on first bulk PO), quotation valid 7 days.

What warranty applies to our B2B bulk order?

On qualified industrial bulk programs, we offer a 5-year commitment: if a device fails under normal use within that period and you provide reasonable evidence, we replace it at no charge. See scope & exclusions; full terms on your quotation. Published consumer policies at loongtion.com/warranty do not apply to industrial bulk contracts.

Will it work in my host system?

These are standard M.2 NVMe modules (PCIe 3.0 x4, NVMe 1.4)—broad compatibility with typical industrial and embedded hosts that expose a standard NVMe M.2 slot. If you hit a rare platform quirk (power sequencing, erase policy, etc.), share details—our engineers can review and tune where the program allows.

2280 or 2242—which should I choose?

By board size and capacity: 2280 when you want DRAM-less up to 2 TB or cache up to 8 TB; 2242 for compact designs (DRAM-less, up to 1 TB). Both use the same industrial wide-temperature TLC stack.

DRAM-less or with DRAM cache on 2280?

DRAM-less (YIDJ…NZT-S): lower power, 256 GB–2 TB, 5-year warranty. With DRAM cache (YIDJ…NQT-S): 1 TB–8 TB, higher sustained throughput, 5-year warranty. Share your workload and we will recommend.

What NAND flash do you use?

Both form factors use TLC NAND flash as the storage medium, with 3000 P/E cycles, wear leveling, and published TBW by capacity. This balances cost and capacity for industrial embedded and field programs—not consumer QLC desk drives.

What is soft self-destruct (-SD)?

Optional secure-erase trigger on pin 67 (customer-defined). Available as custom -SD part numbers on DRAM-less 2280. May add NRE / extended lead time—confirm pricing and firmware cycle with sales before PO.

Can you lock DRAM cache to one vendor?

Yes. Cache SKUs may use Micron or ChangXin DRAM by batch. For production programs, request a single vendor locked on your quotation—state on PO.

Custom firmware or silkscreen logo?

Project-dependent. Share your requirements (firmware behavior, labeling, -SD policy)—we confirm feasibility, NRE, and lead time in the quotation.

What are order quantity, payment, and delivery terms?

See Commercial terms: no fixed MOQ—often from 1 pc when in stock; build minimums confirmed on quote. Payment T/T 50%+50%, ship from Ningbo, bulk lead 4–6 weeks when building.

Which product line should I start with?

Match your controller and BOM: DDR3 for legacy platforms, DDR4/DDR5 for solder-down DRAM chips, LPDDR4X for low-power SoC and mobile industrial terminals, eMMC for solder-down flash, NVMe BGA for compact PCIe storage on the PCB. Send your BOM—our engineering team will recommend the right family and part number by email.

How does engineering support work?

Remote only on your email inquiry thread—no routine on-site visits. We review drawings, memory maps, incumbent parts, pinout, and footprint so you can use it—and use it well on your hardware. Engineering support runs from Ningbo (sales/contracts) and Xi’an (R&D/QA)—same program. We respond on China business days (Monday–Friday UTC+8), excluding Chinese statutory holidays. We usually reply within 24 hours on those days with PDF datasheet and quotation.

What standards and certificates apply?

GB/T 19001-2016 / ISO 9001:2015 (quality system), business registration, trademarks, patents, and high-tech enterprise credentials are shown in the documentation gallery. Design compliance: JEDEC DRAM (e.g. JESD79-3F DDR3, JESD79-4 DDR4, JESD79-5 DDR5) and eMMC 5.1 (JESD84-B51.1); lead-free, RoHS-aligned. Full AC timing and MSL are in the product PDF.China-domestic supply documentation: selected lines (DDR3, DDR5, LPDDR4X) can support programs that require verified China-domestic supply and certification documents—not required for most global export programs; ask sales if your AVL needs it.

Are these chips for military or defense use?

No. We do not market these devices for military or defense end-use. Industrial WT and Industrial Ext grades reflect harsh industrial qualification—cold outdoor telecom, oil & gas edge, hot cabinet infrastructure—not armed-forces programs.

What MSL (moisture sensitivity) level applies?

MSL grade is listed on each product datasheet (typically MSL 3 for DRAM/LPDDR4X). Follow J-STD-033 bake and floor-life rules for production. Email engineering if your EMS needs the handling note for a specific part number.

Are different capacities pin-compatible on the same package?

DDR3 2Gb/4Gb/8Gb on FBGA96 ×16 share the same ball map. DDR4 FBGA78 (×8) and FBGA96 (×16) are different packages—not interchangeable; each listed chip is an 8Gb die (1GB byte capacity). DDR5 is 16Gb per chip (2GB byte capacity). Confirm organization and footprint from the datasheet PDF or by email before AVL lock.

How are temperature ratings defined?

Published −40~85°C (Industrial WT) and −55~105°C (Industrial Ext) ranges are case temperature (Tc) ratings for the stated speed bins under JEDEC operating rules—covering both low-temperature cold starts and high-temperature sealed-cabinet duty where those grades are orderable. Your enclosure thermal model and airflow still matter—share thermal data by email for grade selection. Orderable temp ranges are in the PN tables above and the product PDF (not “confirm later” placeholders).

Where are eMMC endurance and performance numbers?

pSLC vs TLC PE cycles, sequential read/write, and features such as Boot/RPMB are documented in the product datasheet PDF—not on this summary page. Request the datasheet for your capacity and flash type.

What is your PCN / EOL policy?

Product change notices (PCN) for material or process changes are issued in writing—typically 90 days before implementation. Planned end-of-life (EOL) is typically communicated 12 months in advance with last-buy opportunities where applicable. Full terms are on your commercial quotation.

How are parts packaged for shipment?

DDR/LPDDR4X are typically shipped in industrial trays; eMMC may be tray or tape-and-reel depending on part number. All units ship in ESD moisture-barrier packaging. Minimum pack quantities (MPQ) are stated on the quote.

What happens after I submit the inquiry form?

We email what you requested—PDF datasheet and quotation for your line—and answer technical questions on that thread. Ask in your email if you want ongoing project updates.

How do you protect my privacy?

We take customer privacy seriously. Your contact details and project information stay with Loongtion only—we never sell or share them with third parties. No spam emails, no unsolicited sales calls—only replies related to your inquiry on your email thread.

What is your minimum order quantity (MOQ)?

Very low MOQ—quoted per product line, not one number for everything. Many lines can ship from 1 piece when we have stock; production MOQ depends on grade, package, and your quantity. Tell us what you need in your inquiry or message—we don’t turn away small pilot orders.

What are your commercial terms?

See Commercial terms: low MOQ per line (often from 1 pc when stocked), T/T 50% + 50%, ship from Ningbo, China, bulk lead 4–8 weeks (working days), quotation valid 7 days.

What warranty applies to bulk orders?

On qualified industrial bulk programs, under normal operating conditions and non-human damage: we offer a 5-year free-replacement commitment when you show normal-use failure with reasonable evidence. See scope & exclusions; full terms on your quotation.