MSI SPATIUM M580 FROZR PCIe 5.0 NVMe M.2 4TB Internal Solid State Drive - M.2-2280 - PCIe Gen5x4, NVMe 2.0 Interface - PHISON E26 Controller - 3D NAND - 4GB LPDDR4 Cache - Sequential Read up to 14,100MB/s - Sequential Write up to 12,600MB/s (SM580PN4TBF)