Crucial P3 4TB PCIe 3.0 3D NAND NVMe M.2 SSD, up to 3500MB/s - CT4000P3SSD8 - Newegg.com
m2 Series M.2 2280 PCIe NVMe SSD
Amazon.com: KingSpec M.2 SATA SSD, 1TB 2242 SATA III 6Gbps Internal M.2 SSD, Ultra-Slim NGFF State Drive for Desktop/Laptop/Notebook (2242, 1TB) : Electronics