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Buffalo Technology

Buffalo Technology WD Re 500GB 3.5" Internal Hard Drive, 7200 RPM, SATA 6 Gb/s Interface, 128 MB/s (Max) Transfer Rate Wes

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About this item

al for enterprise servers and storage, video surveillance and other write-intensive applications, the WD Re 500GB 3.5" Internal Hard Drive delivers up to 6 Gb/s transfer rates, sustained sequential data rates of up to 171 MB/s and high random I/O rates.

Key Features

  • Industry's highest capacity nearline drive: Massive capacities up to 4 TB suit even the most demanding datacenter or cloud storage needs
  • Designed for heavy application workloads: Up to 6 Gb/s transfer rates and sustained sequential data rates of up to 182 MB/s, deliver performance and reliability to any datacenter environment
  • Designed for quality and reliability: With up to 1.4 million hour MTBF, this high performance drive delivers durability and the highest level of reliability for 24x7x365 operation in the most demanding storage environments
  • Designed for quality and reliability: Datacenter drives undergo at least 5 million hours of functional testing and over 20 million hours of comprehensive Interoperability testing in an extensive array of server and storage systems. Please see the product AVL list for more info
  • Vibration Protection: 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
  • SAS Drive: Optional secure model for encrypting drives - Utilizing an AES 256 bit encryption engine for Crypto erase capability, WD supports the industry standard commands of both the SCSI Sanitize command with Crypto Erase and the Trusted Computing Group (TCG)
  • SATA Drive: Optional secure model for encrypting drives - Utilizing an AES 256 bit encryption engine for Crypto erase capability, WD supports both the T13 Sanitize command and the ATA Password support of Secure Erase Unit (SEU)
  • Dual port processor: Twice the processing power to maximize performance
  • RAID-specific, time-limited error recovery (TLER): Prevents drive fallout caused by the extended hard drive error-recovery processes common to desktop drives
  • Dual port, full duplex connectivity (SAS only): Offers higher reliability, performance and data availability by eliminating single points of failure, designed for high-availability mission-critical enterprise systems
  • Thermal extended burn-in test: Each drive is put through extended burn-in testing with thermal cycling to ensure reliable operation
  • Dual actuator technology: 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
  • Dynamic fly height technology: Each read-write head's fly height is adjusted in real time for optimum reliability
  • StableTrac: The motor shaft is secured at both ends to reduce system-induced vibration and stabilize platters for accurate tracking during read and write operations
  • Multi-axis shock sensor: Automatically detects the subtlest shock events and compensates to protect the data
  • Environmentally responsible: In addition to being RoHS compliant, these drives are built with halogen reduced components
  • 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

Technical Specs

Interface SATA 6 Gb/s
Rotational Speed 7,200 RPM (nominal)
Buffer Size 64 MB
Average Latency 4.20 ms (nominal)
Load/unload Cycles 600,000 minimum
Transfer Rate (Buffer To Disk) 128 MB/s (Max)
Formatted Capacity 500,107 MB
Capacity 500 GB
Form Factor 3.5"
User Sectors Per Drive 976,773,168
Operating Shock (Read) 65G, 2 ms
Non-operating Shock 350G, 2 ms
Acoustics Idle Mode: 27 dBA (average)
Seek Mode 0: 30 dBA (average)
Operating Temperature 32deg. F to 140deg.F (5deg. C to 55deg.C)
Non-operating Temperature -40deg. F to 158deg.F (-40deg. C to 70deg.C)
Power Dissipation Read/Write: 6.30 Watts
Idle: 4.40 Watts
Operating System Windows/Mac
Dimensions (H x D x W) 1.02 x 5.78 x 4.00" (2.6 x 14.7 x 10.2cm)
Weight 0.99lbs (0.45kg)
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