HP EX950 M.2 512GB PCIe 3.1 x4 NVMe 3D TLC NAND Internal Solid State Drive (SSD) - mylaptopspares
HP EX950 M.2 2280 512GB PCle Gen3 x4, NVMe1.3 3D NAND Internal Solid State Drive (SSD) 5MS22AA#ABC - Newegg.com
HP EX900 Pro NVMe M.2 SSD 512GB PCIe 3.0 2280 3D NAND Internal Solid State Hard Drive Disk Up to 2240 MB/s for Laptop/Desktop PC - 9XL76AA#ABA - Newegg.com