The KingSpec Solid State Drive NX Series 512 GB M.2 2242 PCIe 3.0 x 4 NVMe 1.3 SSD High-Performance for PC Laptop Desktop Ultrabook and Portable Device Upgrade Motherboard - Newegg.com
Amazon.com: Solidigm™ P41 Plus Series 512GB PCIe GEN 4 NVMe 4.0 x4 M.2 2280 3D NAND Internal Solid State Drive (512GB, M.2 2280mm, PCIe 4.0 x4.) SSDPFKNU512GZX1 : Electronics