Samsung 250GB SerialATA2 7200rpm 16MB 2.5"

Samsung HM251JJ Features • Max. 125GB formatted capacity per disk • ATA Security Mode Feature Set • SATA Native Command Queuing Feature • ATA S.M.A.R.T. Feature Set • TuMR/PMR head with FOD technology • SilentSeek™ • Serial ATA 3.0Gbps Interface Support • NoiseGuard™ • Load/Unload Head Technology • Free Fall Sensor(optional) Drive Configuration Capacity * 250GB Interface SATA 3.0Gbps Buffer DRAM Size 16 MB Byte per Sector 512 Rotational Speed 7,200 RPM Performance Specifications Average Seek time(typical) 11ms Average Latency 4.17 ms Data Transfer Rate / Media to/from Buffer(Max.) 1.1 Gbits/s Data Transfer Rate / Buffer to/from Host(Max.) 300MB/s Drive Ready Time(typical) 4 sec Reliability Specifications Non-recoverable Read Error 1 sector in 1014 bits Controlled Ramp Load/Unload 600,000 Acoustics Idle 2.6Bel Performance Seek 2.8Bel Environmental Specifications Temperature / Operating 5 ~ 55 ? Temperature / Non-operating -40 ~ 70 ? Humidity(non-condensing) / Operating 5 ~ 90 % Humidity(non-condensing) / Non-operating 5 ~ 95 % Liner Shock(1/2 sine pulse) / Operating 325 G Liner Shock(1/2 sine pulse) / Non-operating 900 G Vibration / Operating 0.7Grms Altitude(relative to sea level) / Operating -300 to 3000 m Altitude(relative to sea level) / Non-operating -400 to 15000 m Power Requirenents Voltage +5V±5% Spin-up Current(Max.) 1000 mA Seek(typical) 2.65 W Read/Write(typical) 2.55 W Low Power Idle(typical) 0.8 W Standby(typical) 0.25 W Sleep(typical) 0.20 W Physical Dimension Height (Max.) 9.5 mm Width 69.85 mm Length 100 mm Weight(avg.) 115 g