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As demand for storage continues to expand, the need for more efficient power solutions becomes paramount. WD RE4-GP enterprise SATA hard drives make it possible for large-scale data centers to increase storage capacity without exceeding available power, and in many cases actually reducing power consumption. WD RE4-GP drives help combat the four major challenges large data installations face—total drive slots, maximum capacity, power allotment, and financial constraints—while lowering the total cost of ownership
Reduced power consumption: The combination of WD’s IntelliSeek™, NoTouch™, and IntelliPower™ technologies brings optimized performance at industry-leading low power consumption; power is reduced as much as 40 percent.
Helps enable eco-friendly servers: Each WD RE4-GP drive consumes an average of 4-5 watts less than competitor drives making it possible for energy-conscious customers to build servers with higher capacities, ensured reliability, and promote energy conservation.
Lower total cost of ownership: Large data-hungry financial institutions and web service providers can save up to $10 per drive per year in electricity costs (U.S). A large data center with 10,000 drives could realize up to $100,000 in savings per year.
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.
NoTouch™ Ramp Load Technology: 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.
Active Power Management: WD GreenPower drives 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 rackmounted servers.
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