Acknowledging the ultra-thin & stylish trend, AST280 M.2 SATA III SSD is 22mm wide & 80mm long with a maximum read/write speed of 520/495MB/s. It can effectively reduce system response time & accelerate the processing performance of multimedia programs. High storage capacities & small sizes, plus the lightweight case-less design feature provides outstanding reliability & transmission performance for the new generation ultra-thin mobile devices. AST280 is the best choice for increasing platform performance & expanding the capacities of gaming mainboards, ultra-thin notebooks & small embedded systems. Features Compatible with SATA III 6.0 Gb/s Ultra Thin M.2 Interface Sequential Read Speed Up to 520MB / Sequential Write Speed Up to 495MB/s (240GB) Built-in Wear Leveling & Intelligent Block Management ECC Engine Correcting Up to 72bit/1KB Supports TRIM & NCQ Commands Supports S.M.A.R.T. Commands ** Comes in OEM Packaging