2.5" SATA SSD (With Cache)
TLC · DRAM cache
Key facts
What industrial buyers usually need to know first — before diving into the full datasheet.
5-year supply · 12-month EOL notice
Qualified SKUs stay available for long-lifecycle equipment — you get advance notice before any discontinuation.
MOQ from 1 pc
Prototype and repair lots without large inventory lock-in — then scale to production.
BOM review & firmware fit
We help match incumbent PNs, validate drop-in paths, and can adjust firmware / grade when the catalog needs a tweak.
5-year warranty · 4–8 weeks lead time
Stable production scheduling with a typical 4–8 weeks lead time once configuration and forecast are agreed.
| MOQ | From 1 pc |
|---|---|
| Standard lead time | 4–8 weeks (typical; confirm with sales for your configuration) |
| Warranty | 5 years (see /warranty for tier details) |
| Supply commitment | Minimum 5 years for qualified SKUs · 12-month EOL notice |
| Engineering support | BOM review, drop-in / fit checks, firmware and temperature-grade adaptation on request |
| Samples | Available on request |
Overview
Non-domestic 2.5″ SATA SSD with DRAM cache for higher sustained performance. Industrial wide-temp TLC bins (−40°C to +85°C) in the YIDC*OT* / *UT* families up to 8TB. No CN badge on this line.
Specifications
| Interface | SATA |
|---|---|
| Package | 2.5″ |
| Supply option | Import flash / controller |
| Flash | TLC |
| Cache | With DRAM cache |
| Operating temperature | −40°C to +85°C |
| Capacity | 128GB–8TB |
| PN family | YIDC*OT*-S · YIDC*UT*-S |
| Grade | Industrial wide-temp |
Orderable part numbers
Handbook PNs for this page. Confirm package, temperature bin, and speed grade before production.
| Part number | Grade | Summary |
|---|---|---|
YIDC01TSOT-S |
Wide-temp | 1TB · TLC · DRAM cache · -40℃~+85℃ |
YIDC02TSOT-S |
Wide-temp | 2TB · TLC · DRAM cache · -40℃~+85℃ |
YIDC04TSUT-S |
Wide-temp | 4TB · TLC · DRAM cache · -40℃~+85℃ |
YIDC08TSUT-S |
Wide-temp | 8TB · TLC · DRAM cache · -40℃~+85℃ |
YIDC128SOT-S |
Wide-temp | 128GB · TLC · DRAM cache · -40℃~+85℃ |
YIDC256SOT-S |
Wide-temp | 256GB · TLC · DRAM cache · -40℃~+85℃ |
YIDC512SOT-S |
Wide-temp | 512GB · TLC · DRAM cache · -40℃~+85℃ |
Cross-references
Vendor families for BOM exploration. Always validate ball map, speed bin, and temperature grade on your host.
Compliance & Standards
Quality and release processes for Loongtion industrial memory and storage. Formal certificates and scope statements are available in the quotation pack on request.
Quality management system
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ISO 9001:2015 certified (GB/T 19001-2016)
Quality management systems — Requirements. Certified quality system covering semiconductor integrated circuits and solid-state storage modules (design, development, production, and technical support) and hybrid integrated circuits (design, development, and technical support).
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Conforms to GJB 9001C—2017
Quality management systems — Requirements. Quality system practices conform to GJB 9001C for the same scope: semiconductor integrated circuits and solid-state storage modules (design, development, production, and technical support) and hybrid integrated circuits (design, development, and technical support).
Product & interface standards
This catalog SKU follows the industry specifications that define its form factor and host interface.
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Industry SSD host interfaces
Host interface, command set, and form-factor behavior follow the applicable SATA, NVMe, or eMMC specification listed on the datasheet.
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Serial ATA (SATA)
SATA interface timing and command set follow the SATA revision applicable to the listed SKU (commonly SATA III).
Grade wording: Product grade definition.
Key highlights
What matters for BOM review and board bring-up.
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DRAM cache
Better sustained write behavior than dramless 2.5″ SKUs.
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TLC capacity ladder
YIDC*OT* / *UT* up to 8TB for data-heavy industrial hosts.
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Industrial wide-temp
−40°C to +85°C operating range for standard industrial duty.
Typical applications
Where this SKU is commonly designed in.
Performance-oriented industrial storage
Hosts that need higher sustained throughput in a 2.5″ bay.
- DRAM cache
- TLC density to 8TB
- Wide-temp continuous duty
Engineering guides
-
Multi-Generational DRAM BOM Strategies: Balancing DDR3, DDR4, and DDR5 in Long-Life Industrial Designs
Industrial equipment such as PLCs, HMIs, and embedded controllers often have production lifecycles exceeding ten years. A product designed t...
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Industrial M.2 NVMe DRAM Cache SSD Guide
DRAM-cached M.2 2280 NVMe for industrial hosts — performance profile and design-in checklist.
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