Western Digital Caviar Blue - 250GB 7200RPM SATA II 3Gb/s 8MB Cache 3.5" Desktop Hard Drive - WD2500AAJS


The WD2500AAJS has been Discontinued. Replacement option is WD10EZEX

Warranty90 Day Warranty
AvailabilityYes - Ships in 1 to 2 Days
ManufacturerWestern Digital Corporation
SeriesWD Caviar Blue Desktop Hard Drive
UPC Code718037717074

Product Specs

Product Specs
Capacity250 GB
Spindle Speed7200 RPM Fluid Dynamic (FDB) Motor
Cache Buffer8 MB Intelligent Caching
Advanced FormatNo
Form Factor3.5 Inch Internal Hard Drive
InterfaceSATA II 3Gb/sec (Generation 2)
Interface Speed3Gb/sec - Data Transfer Rate (max) Buffer to Host
Data Transfer Rateup to 126MB/sec Host to/from Drive (Sustained)
Interface ConnectorSATA (7-Pin Signal and 15-Pin Power Connector)
Recording TechnologyPerpendicular Magnetic Recording (PMR) Technology
Life Expectancy500,000 Hours MTBF (Mean Time Before Failures)
Workload Rating300,000 (Load/Unload Cycles)
Shock ResistanceOperating: 30Gs write (2ms) / 65Gs read (2ms) - Non Operating: 350Gs (2ms)
Rohs CompliantYes
Dimensions(L x W x H) 5.787 in. x 4.0 in. x 1.028 in.
ClassificationMainstream Drives

Key Features

  • Capacities up to 8TB
  • Cool and Quiet Operation
  • WD’s Intelligent Cache Technology
  • Native Command Queuing Technology
  • On-the-Fly Error-Correction Technology
  • NoTouch Ramp Load Technology
  • Pre-emptive Wear Leveling (PWL) Technology
  • ShockGuard Technology
  • StableTrac Technology
  • IntelliSeek Technology
  • Dual Stage Actuator Technology
  • Full-Track Multiple Sector Transfer Capability
  • Fluid Dynamic Bearing (FDB) Motor

WD Caviar Blue Desktop Hard Drives

  • High Capacity, Proven Reliability - WD expands their award-winning desktop and mobile storage lineup with WD Blue PC hard drives. Extensively tested and built to WD’s high standards, WD Blue offers a wide variety of capacities - ranging from 250 GB to the massive 8 TB – in both desktop and mobile models. Drive WD Blue with confidence – our colors never fade.
  • Storage Capacity Up to 8 TB - Boost your PC storage with WD Blue drives, the brand designed specifically for desktop and all-in-one PCs. The WD Blue family now delivers data storage capacities up to 8 TB.
  • Improve PC Performance - Pair a larger capacity drive with an SSD to give your desktop a performance and storage boost. The SSD maximizes speed of data access, while the WD Blue drive stores up to 8 TB of movies, games, files, applications and more.
  • Future-Proof Your Storage - With better technology comes bigger storage needs. Cameras that record ultra-high definition video at 4K resolution at 30 frames per second require a ton of storage. Handling all that media is a snap with our 8 TB drive.
  • IntelliSeek - Calculates optimum seek speeds to lower power consumption, noise and vibration.
  • Cool Operation - WD continues to develop new and innovative ways to keep drives cool while they are operating which helps protect the drive and the data stored on it.
  • Quiet - Noise levels have been minimized to less than one sone – virtually below the threshold of human hearing.
  • ShockGuard - Instantaneously protects the hard drive against damage from bumps and vibrations while it is running. This technology enables WD Caviar drives to achieve industry-leading shock specifications.
  • NoTouch Ramp Load Technology - Parks the recording heads off the disk surface during spin up, spin down, and when the drive is off. This ensures the recording head never touches the disk surface resulting in improved long term reliability due to less head wear, and improved non operational shock tolerance.
  • Preemptive Wear Leveling (PWL) - The drive arm frequently sweeps across the disk to reduce uneven wear on the drive surface common to audio video streaming applications.
  • Compatible - We perform tests on hundreds of systems and a multitude of platforms in our FIT Lab to give our customers confidence that our drives will work in their systems.
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