** Native SATA 150, 10K RPM, 150G, 16MB Cache, NCQ - Capacity 150GB - Interface: SATA 150 MB/s - Spindle Speed: 10,000 RPM - Cache Buffer: 16MB - Number Of Platters: 2 - Number Of Heads: 4 - Bytes Per Sector: 512 - Height 1.028 Inches - Length 5.787 Inches - Width 4.00 Inches - Weight 1.81 Pounds
Performance Specs - Seek Times - Read Seek Time 4.6 ms - Write Seek Time 5.2 ms (average) - Track-To-Track Seek Time 0.4 ms (average) - Full Stroke Seek 10.2 ms (average) Transfer Rates - Buffer To Host (Serial ATA) 1.5 Gb/s (Max) - Buffer To Disk 84 MB/s (Sustained) Acoustics - Idle Mode 29 dBA (average) - Seek Mode 0 36 dBA (average) Power Dissipation - Read/Write 10.02 Watts - Idle 9.19 Watts - Standby 2.66 Watts - Sleep 2.48 Watts
Features - - Native Command Queuing (NCQ) - RAID-specific, time-limited error recovery (TLER) — a feature unique to WD, prevents drive fallout caused by the extended hard drive error-recovery processes common to desktop drives. - Rotary Acceleration Feed Forward (RAFF™) — optimizes operation and performance when the drives are used in vibration-prone, multidrive systems such as rack-mounted servers or network storage. - FlexPower™ — connector technology that accepts power from either industry-standard or new SATA power supplies.