Crucial T700 4TB PCIe 5.0 NVMe M.2 2280 Gen5 SSD with Heatsink Storage Capacity: 4TB Sequential Read Speed: 12,400 MB/s Sequential Write Speed: 11,800 MB/s IOPS: Up to 1,500K Interface: PCIe Gen 5.0 x4, NVMe 2.0 Controller: Phison E26 TBW: 2400TB Form Factor: M.2 (2280) Heatsink