Enterprise Class Drives
MPAK Technologies uses all Enterprise Class drives that offer advantages over Desktop drives such as:
- Firmware Optimizations for better performance under more demanding loads.
- Hard Drives designed for 24 x 7 operations.
- Rotational vibration detection sensors to combat vibration-induced performance degradation.
- Specialized cache segmentation.
- Error recovery controls that limit the drive's error recovery time preventing drives from being dropped from RAID arrays prematurely.
- Temperature monitoring with the ability to shuffle I/O requests to promote cooling.
- Simplified multi-drive firmware updates and speed RAID initialization.
- Multi-Drive firmware maximizes system availability.
- Overnight Next Business Day hard drive replacement warranty.
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 at 100% duty cycle, 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, up to 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.
SecureConnect™ - Provides a 500 percent stronger cable-to-drive connection than first-generation SATA hard drives and cables. Also ensures backward compatibility with legacy SATA cables and backplanes.
5-year limited warranty
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Ideal For
- E-mail, database, web and file servers
- Network attached storage
- Scientific computing
- Life sciences
- Video surveillance
- Enterprise backup
- Document/image management
- Audio/video media applications
- Other demanding write-intensive applications
- Software build systems
- Call centers
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: |
Will these drives work with my existing power supply? |
| A: |
The WD RE2 SATA drive has the new 15-pin SATA power as well as the legacy 4-pin power connectors. (Do not connect both connectors at the same time.) |
| Q: |
What about SATA connections? Is the drive hot pluggable? |
| A: |
The WD RE2 SATA works with latching SATA cables, non-latching SATA cables and SecureConnect™. SecureConnect is available only for WD SATA drives and provides additional structural support where the SATA cable connects to the hard drive. The WD RE drive is compatible with SATA backplanes and SATA hard drive carriers and, in those environments, is hot pluggable. |
| Q: |
Don't 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. |
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