TRANSCEND SSD472KI-VS1 4TB Industrial (3K P/E) SSD disk 2.5" SATA3, 3D TLC,,560MB/s R, 520 MB/W Hardware Feature - SATA 6Gbps - Controller SM2259H - 3D TLC NAND Flash - Temperature operation from -40°C to 85°C - Embedded DDR3 DRAM cache - Power shield function - TCG-Opal function (Optional) - Anti-sulfur resistor Feature SATA 6Gbps 3D TLC NAND Flash DDR3 DRAM cache Global wear-leveling function Enhance Bad block management Power shield function LDPC ECC (Error correction code) functionality TRIM Command function Advanced Garbage Collection Internal RAID Engine Supports S.M.A.R.T. Function Dynamic Thermal Throttling (Default) Supports DEVSLP mode (Optional) Self-encrypting drives(SED) with AES-256 Random Read / Write Performance Random Read IOPS 90K Random Write IOPS 80K TBW 9680 TB DWPD Up to 2.16 DWPD MTBF 3,000,000 hours Data Retention 1 year Warranty 3 years Temperature - Operating -40°C to 85°C - Non-operating -55°C to 85°C Humidity(non-condensing) 5%~95% Shock 1500G, 0.5ms Vibration 20G, 7~2000Hz PHYSICAL DIMENSION Width 69.85±0.25mm Length Max.100.45mm Height 7.00+0.2/-0.5mm