Crucial T705 4TB PCIe Gen5 NVMe M.2 Internal Solid State Drive with Heatsink - M.2-2280 - PCIe Gen 5.0 x4, NVMe 2.0 - Sequential Read up to 14,100MB/s - Sequential Write up to 12,600MB/s - 2400 TBW (CT4000T705SSD5)