Internal SSD for PC and MAC features PCI Express 4.0 x4 (NVMe) interface.SSD provides 6900MBps read speed and 5000MBps write speed.Meets or exceeds IEEE 1667 standard.Dimensions: 0.1"H x 0.87"W x 3.16"D; form factor: M.2 2280.5-year manufacturer limited warranty.Memory capacity: 500GB