- Sequential Read/Write: Up to 540/520MB/s
- Random Read/Write: Up to 93.5/75k IOPS
- Form Factor: 7mm cased
SanDisk SD8SB8U-256G-1122 X400 SATA 2.5″ 256GB Internal SSD
SanDisk X400 256GB SATA 2.5” SSD delivers high-speed performance (up to 540MB/s read, 520MB/s write) for faster boot-ups, app launches, and file transfers. Its 2.5” SATA III design ensures broad compatibility with laptops and desktops. Built for endurance, it features shock resistance, low power consumption, and SanDisk’s nCache 2.0 technology for sustained speed under heavy workloads. Ideal for everyday computing and business use, it offers enhanced reliability with a 1.75-million-hour MTBF and a 5-year warranty. Combines trusted durability, energy efficiency, and cost-effective performance in a compact form, making it a top choice for upgrading from HDDs or replacing older SSDs.
$Quote1 Piece(MOQ)











Memory Components | TLC |
---|---|
Width | 69.85mm |
Max Shock Resistance | 1500G |
Form Factor | 2.5" |
4KB Random Write | Up to 75 000 IOPS |
Storage Temperature | -55C ~ +85C |
Max Sequential Read | Up to 540 MB/s |
Capacity | 256GB |
Brand | SanDisk |
Used For | Consumer |
Depth | 100.00mm |
4KB Random Read | Up to 93 500 IOPS |
Model | SD8SB8U-256G-1122 |
Series | X400 |
Features | Available in 128GB 256GB 512GB and 1TB capacities in both 2.5" 7mm and M.2 2280 form factor, Better slumber mode for greater low power efficiency, Greater reliability with DataGuard Client and the new LDPC error correction mechanism, nCache 2.0 maximizes read/write operations and improves responsiveness, TCG Opal 2.0 support, Up to 1TB in a single-sided M.2 2280 and 2.5" 7mm form factors |
Interface | SATA III |
Max Vibration Resistance | Non-operating: 4.9 gRMS 7 – 800 Hz, Operating: 5.0 gRMS 10 – 2000 Hz |
Application | Desktop |
Device Type | Internal Solid State Drive (SSD) |
Products Status | New |
MTTF | Up to 1.75M hours |
Max Sequential Write | Up to 520 MB/s |
Height | 7.00mm |
Weight | 37.40g |
Operating Temperature | 0C ~ +70C |
Q1: ls the product original ?
A1 : Yes, all of our products are orginal. We have our own QC team who will strictly check product quality before shipment.
Q2. Payment methods?
We accept T/T, PayPal, Alibaba ect.
Q3. Shipping methods?
We have long term business-ship with FedEx, UPS and DHL with favorble price. You can choose any shipping method mentioned above based on your ease. You can also use your own shipping account or shipping forwarder.
Q4. How long is the lead time?
Usually 1-3 working days after payment. Feel free to send me exact models for checking.
Q5. How long is the warranty period?
Different products have different warranty periods. Usually 1~3 years warranty.
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