WD RE Enterprise SATA Hard Drives
Ideal for enterprise servers and storage, video surveillance, and other write-intensive applications, WD RE 7200 RPM Enterprise SATA hard drives offer up to 4 TB capacity,
64 MB cache, 4th generation vibration tolerance and 5-year limited warranty.
A head positioning system with two actuators that improves positional accuracy over the data track(s). The primary actuator provides coarse displacement using conventional
electromagnetic actuator principles. The secondary actuator uses piezoelectric
motion to fine tune the head positioning to a higher degree of accuracy. More information: Features | HDD size | 3.5 " |  | HDD capacity | 4000 GB | | HDD speed | 7200 RPM | | Interface | Serial ATA III | | Type | HDD | | Storage drive buffer size | 64 MB | | Access time | 8.9 ms | | Average seek time | 20 ms | | SMART technology | Yes | | Start/stop cycles | 600000 | | Native Command Queuing (NCQ) | Yes | | Mean time between failures (MTBF) | 1200000 h | | Windows operating systems supported | Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 8, Windows 8 Enterprise, Windows 8 Pro | Packaging data | User guide | Yes | Logistics data | Harmonized System (HS) code | 84717050 | Other features | Product colour | Black | | Internal | Yes | | Mac compatibility | Yes | | Data transfer rate | 6 Gbit/s | | Compatible operating systems | Windows 7/8 | | eSATA | Yes | Weight & dimensions | Width | 101.6 mm | | Height | 26.1 mm | | Depth | 147 mm | | Weight | 750 g | Operational conditions | Operating temperature (T-T) | 5 - 55 °C | | Storage temperature (T-T) | -40 - 70 °C | | Operating shock | 30 G | | Non-operating shock | 300 G | Power | Power consumption (read) | 9.7 W | | Power consumption (write) | 9.5 W | | Power consumption (idle) | 8.6 W | | Operating voltage | 5 / 12 V |
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