Verbatim 128 GB SATA II 3.0 Gb-s 2.5-Inch Internal Solid State Drive 47478 SATA II interface offers speeds up to 3GB/sec Up to 270MB/sec. read speed and 225MB/sec write speeds Reliable Solid-State design features 1500G shock rating Low power consumption conserves laptop battery life MTBF rating of 1 million hours Backed by a 3-year limited warranty Compatibility: Windows XP / Vista / 7, Mac OS X 10.4 or higher, Linux kernal 2.4 and higher