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SATA Hard Drives
500 GB, 1.2 million hours MTBF, 16 MB Cache, 7200 RPM
High Capacity
Enterprise-class
24x7 Reliability
1.2 million hours MTBF. Best-in-class vibration tolerance. 5-year limited warranty. Just three of the reasons why WD RE2 drives are the world's most reliable SATA drives.
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WD RE2 hard drives are the worlds most reliable server-class SATA drives in the market. With 1.2 million hours MTBF, 5-year limited warranty, 3 Gb/s SATA technology, and best-in-class vibration tolerance, WD RE2 drives offer the best combination of superior reliability, high capacity, and optimum performance for enterprise applications.
Key Features
Superior reliability - Designed and manufactured to server-class standards to provide best-in-class enterprise reliability in high duty cycle environments. With 1.2 million hours MTBF, these drives have the highest available reliability rating on a high-capacity drive.
High capacity - Up to 750 GB of storage packed with server-class features and low cost-per-gigabyte value.
Fast - With a next-generation SATA interface, 3 Gb/s data transfer rate, native command queuing (NCQ), and 16 MB cache, these drives deliver optimum performance.
Low power - Active Power Save delivers best-in-class seek mode power consumption through an advanced WD firmware which conserves power in active seek modes without degrading performance.
RAID-specific, time-limited error recovery (TLER) - A feature pioneered by WD, significantly reduces drive fallout caused by the extended hard drive error-recovery processes common to desktop drives.
Rotary Acceleration Feed Forward (RAFF) - Provides best-in-class vibration tolerance by optimizing operation and performance when the drives are used in vibration-prone, multidrive systems such as rack-mounted servers or network storage.
5-year limited warranty
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Ideal For
Servers, SAN/NAS, scientific computing, life sciences, video surveillance, enterprise backup, document/image management, audio/video media applications, and other demanding write-intensive applications.
Frequently Asked Questions
| Q: |
Regular 7200 RPM desktop drives run fine in RAID environments; why do I need these drives? |
| A: |
Unlike regular desktop drives, WD RE2 hard drives are engineered and manufactured to enterprise-class standards and include features such as Time-limited Error Recovery, Active Power Save, and RAFF that make them an ideal solution for RAID. |
| Q: |
What is time-limited error recovery and why do I need it? |
| A: |
Desktop drives are designed to protect and recover data, at times pausing for as much as a few minutes to make sure that data is recovered. Inside a RAID system, where the RAID controller handles error recovery, the drive needn't pause for extended periods to recover data. In fact, heroic error recovery attempts can cause a RAID system to drop a drive out of the array. WD RE2 is engineered to prevent hard drive error recovery fallout by limiting the drive's error recovery time. With error recovery factory set to seven seconds, the drive has time to attempt a recovery, allow the RAID controller to log the error, and still stay online. |
| Q: |
Dont I need SCSI data integrity For RAID environments? |
| A: |
These drives include 32-bit CRC error checking for all bits transmitted: command, data, and status and error checking to compare the data read back from the hard drive to the data originally written to the hard drive. |
Important interface information
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This drive requires a SATA interface |
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