SPATIUM M480 PRO PCIe 4.0 NVMe M.2 1TB PHISON E18 3D NAND M.2 2280 DRAM CACHE 2GB DDR4 PCIe Gen4 x4, NVMe 1.4 80.00mm (L) x 22.00mm (W) x 2.15mm (H) SEQUENTIAL READ UP TO (MB/S) 7400 SEQUENTIAL WRITE UP TO (MB/S) 6000 MTBF Up to 1,600,000 Hours 5 Years, or the coverage for the maximum TBW as stated, whichever comes first.