SanDisk X400 M.2 2280 128GB SSD SATA SD8SN8U-128G-1006 HP 856447-001 | eBay
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
Refurbished: SD8SN8U-256G-1002 - SanDisk X400 Series 256GB SATA 6Gb/s M.2 2280 Solid State Drive - Newegg.com