Genuine SanDisk X400 2.5" 7mm 512GB SATA SSD Hard Drive (U) SD8SB8U-51 – notebookparts.com
SanDisk SD8SB8U-256G-1122 X400 SATA 2.5" 256GB Internal SSD - Newegg.com
SD8SB8U-512G-1001-LENOVO - Refurbished - LENOVO 512GB TLC SATA III 2.5 INCH SMALL FORM FACTOR SFF TRIPLE LEVEL CELL 6GB/S SATA3 READS 540MB/S WRITES 520MB/S SOLID STATE HARD DRIVE SSD - NO TRAY /
SanDisk SD8SB8U-512G-1006 - 512GB 6Gbps SATA III 7mm 2.5" Solid State SSD - CPU Medics