Eluktro Pro-X Performance 256GB AHCI TRO-PCIe256GBPRO-X M.2 80mm PCIe 3.0 x4 SSD by Eluktronics Premium quality performance MLC NAND with up to 2,150MB/sec read & up to 1,200MB/sec write speeds Random Read (QD=4): 90K IOPS, Random Write (QD=4): 70K IOPS; 512MB LPDDR2 DRAM Buffer Memory M.2 Interface: PCIe 3.0 x4 lanes, up to 32Gb/s; Standard AHCI driver, APM and L1.2 Power Saving Mode End-to-End Data Protection, Supports TRIM Command, RoHS Compliant, Halogen-Free Compliant Quality Guaranteed: 3 Year USA Based Warranty with hassle-free technical & customer service!