3.5", 4TB, 64MB Cache, SATA III, 7200RPM, Refurbished
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.
Features
HDD size
3.5"
HDD capacity
4 TB
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
