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Western Digital My Passport Pro 2 TB Portable (Thunderbolt) Hard Disk Drive Review
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Western Digital RE4-GP 2 TB Hard Disk Drive Review
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Western Digital RE4-GP 2 TB Serial ATA Hard Disk Drive

Although the WD RE4-GP may appear to be a RAID-optimized version of the WD Caviar Green desktop hard disk drive, it is far more than just the Caviar Green with TLER support. Take a look at its key features :

  • Faster - 64 MB cache, dual processors, and increased areal density yield twice the processing power results in up to 25% performance improvement over the previous generation.

  • Greener - Improvements in power-conserving technologies - IntelliSeek, IntelliPark, and IntelliPower - deliver improved power consumption over our previous generation of WD RE-GP drive.

  • Improved rotary vibration tolerance - Advanced mechanical optimizations along with system characterization and validation provide the highest performance under vibration conditions of any WD product.

  • 24x7 reliability - With 1.2 million hours MTBF, these drives have the highest available reliability rating on a high-capacity drive.

  • IntelliPower - A fine-tuned balance of spin speed, transfer rate, and caching algorithms designed to deliver both significant power savings and solid performance. Additionally, GreenPower drives consume less current during start up allowing more drives to spin up simultaneously resulting in faster system readiness.

  • IntelliSeek - Calculates optimum seek speeds to lower unnecessary power consumption, noise, and vibration.

  • IntelliPark - Delivers lower power consumption by automatically unloading recording heads during idle to reduce aerodynamic drag, and by disengaging read/write channel electronics.

  • Active Power Management - WD drives with GreenPower Technology monitor work load and automatically invoke idle mode whenever possible to further reduce unnecessary power consumption. Drive recovery time from idle mode is less than one second, providing seamless power management between the drive and the host controller.

  • StableTrac - Secures the motor shaft at both ends to reduce system-induced vibration and stabilize platters for accurate tracking, during read and write operations.

  • RAID-specific time-limited error recovery (TLER) - Pioneered by WD, this feature prevents drive fallout caused by the extended hard drive error-recovery processes common to desktop drives.

  • Rotary Acceleration Feed Forward (RAFF) - Optimizes operation and performance when the drives are used in vibration-prone multi-drive systems such as rack mounted servers.

Western Digital currently offers only a single RE4-GP model - the WD2002FYPS with a storage capacity of 2 TB. Let's find out just how well it performs against the 10,000 RPM WD VelociRaptor and other leading desktop hard disk drives.

For more details, read our Comprehensive Review!

To discuss about this review, head over to the forum thread!

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Review

Comprehensive Review

Model

• WD2002FYPS

Formatted Capacity

• 2,000,398 MB

Guaranteed Sectors

• 3,907,029,168

Bytes Per Sector

• 512 bytes

Sectors Per Track

• NA

Cylinders

• NA

Platters

• 4 Platters

Read/Write Heads

• 8 Read/Write Heads

Recording Method

• NA

Interleave

• 1 : 1

Spindle Speed

• Fixed, between 5,400 to 7,200 RPM

Cache Buffer

• 64 MB SDRAM

Internal Data Transfer Rate

• 110 MB/s (sustained, maximum)

Maximum I/O Transfer Rate

• 3.0 Gbits/s

Average Seek

• 8.9 ms

Average Latency

• NA

Drive Ready Time

• 17 seconds (average)

Interface

• Serial ATA 3 Gb/s

Supported SATA Data Transfer Mode

• 3.0 Gbits/s

SATA Hotplug Capability

• Yes

Maximum Height

• 26.1 mm (1.028 inches)

Maximum Width

• 101.6 mm (4.00 inches)

Maximum Length

• 147.0 mm (5.787 inches)

Maximum Weight

• 730 g (1.61 lbs)

Power Requirements

• +12V DC ± 10 %
• +5V DC ± 5 %

Power Consumption

• 6.8 W (Read / Write)
• 3.7 W (Idle)
• 0.8 W (Standby)
• 0.8 W (Sleep)

Ambient Temperature

• 5 °C to 55 °C (Operating)
• -40 °C to 70 °C (Non-Operating)

Maximum Shock

• 30 G @ 2 ms (Read/Write)
• 300 G @ 2 ms (Non-Operating)

Drive Acoustics

• 25 dBA average (Idle Mode)
• 29 dBA average (Performance Seek Mode)
• 26 dBA average (Quiet Seek Mode)

Non-Recoverable Read Errors

• 1 error per 1015 bits read

Load/Unload Cycles

• 600,000 (minimum)

MTBF

• 1.2 Million Hours

Warranty

• 5 Years Limited Warranty (OEM or Retail)

 

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