http://www.storagereview.com/plextor_pxm2p_ssd_review_256gb Form Factor 2.5" Standard Interface Serial-ATA 6Gb/s, compatible with SATA 3Gb/s and 1.5Gb/s Capacity 128GB Seq. Read Speed (SATA 6Gb/s) up to 500MB/s * Seq. Write Speed (SATA 6Gb/s) up to 320MB/s * Ran. Read Speed (IOPS 4K) Up to 70,000 IOPS Ran. Write Speed (IOPS 4K) Up to 65,000 IOPS DRAM Cache 256MB DDR3 Shock Resistance 1500G, 0.5 ms Operating Temperature 0°C ~ 70°C MTBF 1,500,000 hours Controller Marvell 88SS9174 Flash controller Power ECC 48bit per 2KB Wear Leveling Global Wear leveling S.M.A.R.T. Support Password Protection Support Dimensions (W x L x H) 69.85mm x 100mm x 9.5mm NCQ Command Support TRIM Command Support Flash Memory MLC type 3.5"bracket + Acronis true Image HD OEM in Box