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SanDisk SD8SN8U-512G-1122 X400 M.2 2280 512GB Internal SSD

In stock.
Ships from United States.
  • 2.5"
  • M.2 2280
  • 1TB
  • 512GB
  • 256GB
  • Sequential Read/Write: Up to 540/520MB/s
  • Random Read/Write: Up to 93.5/75k IOPS
  • Form Factor: m.2 (2280)

High Performance and High Reliability Meet High Style

The SanDisk X400 is an industry-leading SATA III internal solid state drive with sixth-generation SanDisk TLC flash. It delivers exactly what today's customers want - quick responsiveness, aggressive data security, high reliability, and low power consumption. It's the ideal storage solution for heavy workloads, such as photo and video editing, multitasking or office productivity. The SanDisk X400 is available in 128GB, 256GB, 512GB, and 1TB capacities in both 2.5" 7mm and M.2 2280 form factors.

general information

Thin Is in

With a 1.5mm single-sided form factor (M.2 2280 module), the X400 SSD is the first single-sided 1TB SSD in the industry, giving it the performance and capacities ideal for ultrathin designs. The X400 SSD is also available in 2.5" 7mm-height to be a true drop in replacement for mechanical HDDs.

general information

NCache 2.0 and DataGuard: Advanced Technologies for a Better Experience

SanDisk technologies combine nCache 2.0, DataGuard and LDPC error correction into the X400 SSD for a superior experience and endurance levels up to 320 TBW (terabytes written), our highest ever for a client drive. SanDisk nCache 2.0 is a set of advanced algorithms that analyze workloads to improve fast burst performance and sustained sequential write speeds while minimizing energy consumption and controller overhead.

general information

Designed with Security in Mind

The self-encrypting drive (SED) version of the X400 SSD enables users to protect sensitive documents quickly and easily, safeguarding data from theft or disclosure. X400 SED SSD also supports TCG Opal 2.0 for interoperability with a wide spectrum of security software platforms. Please check with your SanDisk representative for ordering details and specific SKU numbers for the SED version of the X400 SSD.

Warranty & Returns

Warranty, Returns, And Additional Information


  • Limited Warranty period (parts): 3 years
  • Limited Warranty period (labor): 3 years
  • Read full details

Return Policies

  • Return for refund within: 30 days
  • Return for replacement within: 30 days
  • This item is covered by Deus PC Return Policy