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Western Digital

WD RE SAS 2TB 3.5" Internal Hard Drive, 7,200RPM, Serial Attached SCSI 2 Interface, 32MB Buffer Size

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About the Western Digital WD RE SAS

The WD RE SAS 2TB 3.5" SATA Internal Hard Drive delivers 6 Gb/s transfer rates, sustained sequential data rates of up to 182 MB/s and high random I/O rates. With a 1.4 million hour MTBF, this high performance drive delivers the highest level of reliability for 24x7 operation in up to 100% duty cycle applications.

Enhanced RAFF technology includes sophisticated electronics to monitor the drive and correct both linear and rotational vibration in real time. The result is a significant performance improvement in high vibration environments over the previous generation of drives.

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. The recording head never touches the disk media ensuring significantly less wear to the recording head and media as well as better drive protection in transit.

An ultra-fast 6 Gb/s SAS interface enables easy integration into SAS storage subsystems while delivering twice the interface speed of traditional 3 Gb/s SAS nearline hard drives.

Ideal for: High-capacity data center storage, demanding high-performance computing, business-critical environments, storage area networks (SAN), network attached storage (NAS), direct attach storage (DAS), networked surveillance systems and cloud storage.

Western Digital WD RE SAS Specifications

Form Factor 3.5"
Buffer Size 32 MB
Device Type Hard drive - internal
Capacity 2 TB
Interface Serial Attached SCSI 2
Operating Temperature 41 - 131 deg.F
Shock Tolerance 65 g at 2ms (operating) / 300 g at 2ms (non-operating)
Drive Transfer Rate 600 MBps (external)
Spindle Speed 7200 rpm
Internal Data Rate 170 MBps
Non-Recoverable Errors 10 per 10^16
Start / Stop Cycles 600,000
MTBF 1,400,000 hours
Dimensions (W x D x H) 4.0 x 5.8 x 1.0" (10.16 x 14.73 x 2.54cm)
Weight 26.5oz (751.2g)
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