Kingston KC3000 PCIe 4.0 NVMe M.2 4TB Internal Solid State Drive - PCI Express NVMe 4.0 x4 - M.2 2280 - 3.2PB TBW - 7000MB/s Maximum Read Transfer Rate - 7000MB/s Maximum Write Transfer Rate - Graphene Aluminium Heat Spreader (SKC3000D/4096G)