256GB mSATA Mini (Half Size) SATAIII SSD mSATA Mini (Half Size) SATAIII (MO-300B Variation B - Toshiba NAND) Support TRIM, SMART, Bad Block Mgmt, ECC, Wear Leveling Sequential Read 500MB/s, Write 490MB/s SIze: 30mm*26.8mm*4mm; Weight 32~50g Note: Only works with systems with mSATA standard connector. NOT compatible with Mini PCIe slot for WWAN/wireless cards