Samsung SSD NVMe MZVPV256HDGL-00000 SM951 256GB M.2 PCI Express 3.0 OEM M.2 Interface: PCIe 3.0 x4 lanes, up to 32Gb/s 256MB LPDDR2 DRAM Buffer Memory Supports Standard NVMe driver, APM and L1.2 Power Saving Mode, End-to-End Data Protection, Support TRIM Command, RoHS Compliant, Halogen-Free Compliance Sequential Read: 2150MB/s, Sequential Write: 1260 MB/s, Random Read (QD=4): 300K IOPS, Random Write (QD=4): 100K IOPS Works with most motherboards and notebooks with a compatible M.2 PCIe interface slot. Includes Z97/X99/Z120 motherboards. NOT compatible with the MacBook, MacBook Air, MacBook Pro, or Mac Pro (see description for details