Amazon.com: Western Digital PC SN520 SDAPNUW-512G 512GB M.2 2280 PCI-Express 3.0 x2 NVMe Internal SSD Solid State Drive SDAPNUW-512G-1032 for All Systems : Electronics
SDAPTUW-256G Western Digital PC SN520 Series 256GB TLC PCI Express 3.0 x2 NVMe M.2 2230 Internal Solid State Drive (SSD)