Samsung 980 PRO w/ Heatsink 1TB NVMe M.2 Internal Solid State Drive - PCI Express 4.0 x4, NVMe 1.3c - M.2 2280 - AES 256-bit Full Disk Encryption - Up to 7000 MB/s Read Speed - Up to 5000 MB/s Write Speed (MZ-V8P1T0CW)