Usage Application Client PCs Capacity 120GB, 250GB, 500GB, 1TB (1,000GB) Dimensions (LxWxH) 100 x 69.85 x 6.8 (mm) Interface SATA 6Gb/s (compatible with SATA 3Gb/s and SATA 1.5Gb/s) Form Factor 2.5 inch Controller 120/250/500GB : Samsung MGX controller 1TB: Samsung MEX controller NAND Flash Memory Samsung 32-layer 3D V-NAND DRAM Cache Memory 256MB (120GB) or 512MB (250GB&500GB) or 1GB (1TB) LPDDR2 Performance* Sequential Read Max. 540 MB/s Sequential Write** Max. 520 MB/s 4KB Random Read (QD1) Max. 10,000 IOPS 4KB Random Write (QD1) Max. 40,000 IOPS 4KB Random Read (QD32) Max. 98,000 IOPS (500GB/1TB) Max. 97,000 IOPS (250GB) Max. 94,000 IOPS (120GB) 4KB Random Write (QD32) Max. 90,000 IOPS (500GB/1TB) Max. 88,000 IOPS (120GB/250GB) Data Security AES 256-bit Full Disk Encryption (FDE) TCG/Opal V2.0, Encrypted Drive (IEEE1667) Weight Max. 66g (1TB) Reliability MTBF : 1.5 million hours TBW 120/250GB : 75 TBW 500GB/1TB : 150 TBW Power Consumption*** Active Read (Average) : Max. 3.7W (1TB) Idle : Max. 50mW Active Write (Average) : Max. 4.4W (1TB) Device Sleep : 2mW (120/250/500GB), 4mW (1TB) Supporting features TRIM (Required OS support), Garbage Collection, S.M.A.R.T Temperature Operating 0°C to 70°C Non-Operating -40°C to 85°C Humidity 5% to 95%, non-condensing Vibration Non-Operating 20~2000Hz, 20G Shock Non-Operating 1500G , duration 0.5m sec, 3 axis