ModelBrandWestern DigitalSeriesCaviar BlueModelWD5000AAKXPackagingBare DrivePerformanceInterfaceSATA 6.0Gb/sCapacity500GBRPM7200 RPMCache16MBPhysical SpecForm Factor3.5"FeaturesFeaturesSolid performance - WD Caviar Blue drives are built to deliver rock-solid performance ideal for family and business computing. Ultra cool and quiet - Keeping the drive cool enhances reliability. 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. 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. IntelliSeek - Calculates optimum seek speeds to lower power consumption, noise and vibration. ShockGuard - Instantaneously protects the hard drive against damage from bumps and vibrations while it is running. This technology enables WD Caviar Blue drives to achieve industry-leading shock specifications. Compatible - WD perform tests on hundreds of systems and a multitude of platforms in our FIT Lab and Mobile Compatibility Lab to give our customers confidence that our drives will work in their systems.Manufacturer WarrantyParts2 years limitedLabor2 years limited