Samsung 980 PCIe 3.0 NVMe M.2 SSD (MZ-V8V500BW) - Capacity: 500GB , HMB(Host Memory Buffer) , Form Factor: M.2 (2280) , Interface: PCIe Gen 3.0 x4, NVMe 1.4 , Speed: Upto 3100 MBs , Write Speed: Upto 2600 MBs , Dimensions: 80.15 x 22.15 x 2.38 (mm) , Weight: Max 8.0 g Weight