LEGEND 800 PCIe Gen4 x4 M.2 2280 Solid State Drive 500GB ALEG-800-500GCS Features: Ultra-fast PCIe Gen4 x4 interface R/W speed up to 3,500/2,800MB/s NVMe 1.4 support Advanced hardware LDPC ECC Technology Supports Host Memory Buffer(HMB) Great upgrade option for creators Compact M.2 2280 form factor – also ideal for 2D drawing, engineering drawing, video editing, etc. Free software: SSD Toolbox Specifications: Capacity 500GB Form factor M.2 2280 NAND Flash 3D NAND Dimensions (L x W x H) 80 x 22 x 2.65mm / 3.15 x 0.87 x 0.1inch (with heat sink) 80 x 22 x 2.15mm / 3.15 x 0.87 x 0.09inch (without heat sink) Weight With heat sink：7.3g / 0.26oz Without heat sink：6.3g / 0.22oz Interface PCIe Gen4 x4 Sequential Read (Max) Up to 3,500MB/s Sequential Write (Max) Up to 2,200MB/s Operating temperature 0°C - 70°C Storage temperature -40°C-85°C Shock resistance 1500G/0.5ms MTBF 1,500,000 hours Terabytes Written (TBW) 300TB Warranty 3-year limited warranty