Featuring the latest SATA III 6Gb/s interface and a powerful controller Transcend's SATA III 6Gb/s SSDs are the ideal high-speed lightweight and shockproof replacement for traditional rotating hard drives. Boasting an industry-standard 2.5 form factor and super slim thickness of just 7mm Transcend SSDs provide superior performance and reliability to notebooks desktops servers and workstations. Key Features: RoHS compliant Fully compatible with devices and OS that support theSATA III 6Gb/s standard SandForce Driven (SSD320 only) DDR3 DRAM Cache (SSD370 and SSD340) Supports DevSleep mode which allows devices to completely shut down the SATA interface and conserve battery life unlike existing partial/slumber states (SSD370 and SSD340) Non-volatile Flash Memory for outstanding data retention Built-in ECC (Error Correction Code) functionality and wear-leveling algorithm ensure reliable data transfer Supports TRIM and NCQ command Shock resistance Note: Support depends on the host device specification Technical Specifications: Interface(connector): SATA (7 15-pin) Form Factor: 2.5 Flash Type: MLC Capacity(GB): SSD340: 256GB Max. R/W Performance(MB/s)(Vary by density) SSD340: Read: 520MB/s Write: 290MB/s Op. Voltage(V): 5V±5% Power Consumption(W): 3.67W(Active) 0.55W(Idle) Op. Temp.(C°): 0C° ~ 70°C Storage Temp.(C°): - 40C° ~ 85C° Humidity(%): 0% ~ 95%