Solid State Drives - Upgrade your laptop/desktop computer with the SEKC SSD and feel the difference. Faster OS boot times, shut-downs and app load times. Exceptional Performance - Seq. Read/Write-Atto speeds up to 3300/3100MB/s respectively; Seq. Read/Write-CDM speeds up to 1700/1000MB/s respectively; Random Read/Write 4K up to 130/190k IOPS respectively (Performance may vary based on capacity, system hardware & configuration.) Superior Durability - Impact Resistence Strength: 1500G/0.5m, Shock Resistence Range: 80Hz 2000Hz/20G, 1500G/0.5ms. Interface - SEKC NVMe M.2 SSD PCle Gen 3x4 256GB. Requires motherboard that supports NVMe M.2 hardware. This SSD is not compatible with Mac. Additional parts may be required to use on Mac system. Operation - Operating Temperature: 0°C 70°C (32°F 158°F). Dimensions: 80 x 22 x 2.15mm (3.14 x 0.86 x 0.08inches), Weight: 6.3g (0.22ounces).