Brand: SanDisk · SKU: SD8SB8U256G1122 · MPN: SD8SB8U-256G-1122 · Category: Storage
The SanDisk SD8SB8U256G1122 is a 256GB X400 Solid State Drive (SSD) in the 2.5-inch form factor with a 7mm height, designed as a drop-in replacement for mechanical HDDs. It utilizes SanDisk's 2nd generation Triple-Level Cell (TLC) flash node and features nCache 2.0 technology, which combines SLC and TLC blocks to boost performance for fast bursts and high sustained sequential writes. The drive offers reliability through DataGuard™ Client technology and an LDPC error correction mechanism. It supports TCG Opal 2.0 and includes Self-Encrypted Drive (SED) capabilities with 256-bit AES encryption for data protection at rest. Performance specifications include sequential reads up to 540 MB/s and sequential writes up to 520 MB/s, with random read IOPS up to 93.5k and random write IOPS up to 60k (or 75k, depending on source). The Mean Time To Failure (MTTF) is up to 1.75 million hours, and the endurance rating is up to 80 Terabytes Written (TBW). The drive interface is SATA III (6 Gb/s).
| MTTF | Up to 1.75 Million Hours |
|---|---|
| Capacity | 256 GB |
| Interface | SATA III (6 Gb/s) |
| Encryption | 256-Bit AES Encryption (SED capable) |
| Form Factor | 2.5-inch, 7mm height |
| Endurance (TBW) | 80 TBW |
| Security Features | TCG Opal 2.0 Support |
| Sequential Read Speed | Up to 540 MB/s |
| Random Read IOPS (4KB) | Up to 93.5k |
| Sequential Write Speed | Up to 520 MB/s |
| Flash Memory Technology | Triple Level Cell (TLC) |
| Random Write IOPS (4KB) | Up to 60k or 75k |
| Warranty | 5-year warranty (based on X400 series documentation) |
| Weight | 37.4 g (approximate) |
| Dimensions | 7.00mm x 69.85mm x 100.5mm (2.5"/7mm cased) |
The SanDisk X400 SSD is an upper-tier SATA client SSD offering high responsiveness, reliability, and low power consumption for mainstream computing platforms. It uses nCache 2.0 technology for improved performance and longevity and is suitable for multi-tasking and heavy workloads, as well as entry-level enterprise servers for read-intensive and boot/logging applications.
Yes, this SanDisk X400 256GB Triple-Level Cell SATA 6Gb/s 2.5-Inch Solid State Drive (SD8SB8U256G1122) is 100% genuine SanDisk hardware. All our products are verified by certified technicians and come with clean serial numbers ready for service contract registration.
This SanDisk X400 256GB Triple-Level Cell SATA 6Gb/s 2.5-Inch Solid State Drive includes our standard 3-Year Warranty covering all manufacturing defects. We also offer advanced replacement options for minimal downtime.
We offer free ground shipping which typically takes 3-5 business days. Expedited shipping options are available at checkout for faster delivery.
Yes, we have a 30-day return policy on all products. Restocking fees may apply for opened items. Please see our return policy for complete details.
Please check the specifications tab for detailed compatibility information. Our technical team is available to assist with compatibility questions for the SD8SB8U256G1122.