*****USED SSD*****SK Hynix 512GB NVMe PCIe M2 2230 SSD BC711 30mm HFM512GD3GX013N*****USED SSD***** Pulled from working machines. Crystal Disk Info software used to check drive heath. 100% health status please make sure this drive is compatible with your device. M.2 NVMe M Key single sided.