128GB SanDisk SD8SN8U-128G-1006 and SD8SN8U-128G-1004, X400 & X600 Series 128GB SATA 6Gb/s M.2 2280 SATA III NGFF Solid State Drive(SSD) - WIT Computers
SanDisk X400 SSD review: A 1TB SSD that won't break the bank - HardwareZone.com.sg
SanDisk X400 SSD Review (512GB) | The SSD Review
SD8TB8U-256G-1001 SanDisk X400 256GB TLC SATA 6Gbps (AES-256 / SED TCG Opal 2.0) 2.5-