SanDisk SSD X600 SATA M.2 2280 256gb Sd9sn8w-256g-1006 for sale online | eBay
SD9SN8W-256G-1016 SanDisk X600 256GB SATA 6.0 Gbps SSD
WD elements 10tb makes a repeated clicking noise like a heartbeat but strong every 5 seconds while it's idle and working - External Drives for PC - WD Community
SanDisk X600 256 GB,Internal, M.2 (SD9SN8W-256G) SSD for sale online | eBay