SK Hynix HFS256G39MND-3310A 256GB M.2 2280 SATA 3 6.0 Gb/s SSD Solid State Drive.SK Hynix Model Number: HFS256G39MND-3310ALenovo Part Number: 5SD0H43486Specifications:Capacity: 256GBForm Factor: M.2Interface Type: SATA 3 6.0 Gb/s