Western Digital WD Purple 3.5 4TB 5400rpm 256MB SATA3 (WD42PURZ)

WD Purple 4TB SATA 6Gb/s CE HDD 3.5inch internal 256MB Cache 24x7 Bulk
id="p4342081"> WD Purple 4TB SATA 6Gb/s CE HDD 3.5inch internal 256MB Cache 24x7 BulkManufacturer WESTERN DIGITALManufacturer Part No WD42PURZMarketing DescriptionWD Purple drives are engineered specifically for surveillance to help withstand the elevated heat fluctuations and equipment vibrations within NVR environments. An average desktop drive is built to run for only short intervals, not the harsh 24/7 always-on environment of a high-definition surveillance system. With WD Purple, you get reliable, surveillance-class storage that's tested for compatibility in a wide range of security systems. Exclusive AllFrame technology helps reduce frame loss and improve overall video playback. Product Features

• Industry-leading storage
  Western Digital is a worldwide leader in the hard drive industry. With WD Purple surveillance storage, you have a drive engineered for high temperature, always-on surveillance systems so you can rely on quality video playback when you need it most. Whether you're protecting loved ones or monitoring your business, WD Purple offers performance you can trust.
• AllFrame technology
  All WD Purple drives are equipped with AllFrame technology, which improves ATA streaming to help reduce frame loss and improve overall video playback, within a multitude of security video solutions.
• Enhanced workload ratings
  WD Purple drives feature a workload rating of up to 180 TB/year - up to three times that of desktop drives - to handle the unique demands of mainstream video surveillance DVR and NVR systems.
• Multiple cameras, multiple streams
  Modern recorders now support multiple video streams per camera. WD Purple drives support up to 64 single-stream HD cameras, and can also support many of the latest cameras that transmit multiple streams to enable basic AI functionality. With so many options, you have the flexibility to upgrade or expand your security applications in the future.
• Designed for today's and tomorrow's surveillance solutions
  With an MTBF of up to 1 million hours, WD Purple drives are engineered for mainstream surveillance DVRs and NVRs that operate 24/7. With tarnish-resistant components and support for more than eight bays, WD Purple drives deliver reliable operation even in harsh environments.

GeneralDevice TypeHard drive - internalCapacity4 TBForm Factor3.5"InterfaceSATA 6Gb/sBuffer Size256 MBFeaturesAdvanced Format technology, AllFrame, Conventional magnetic recording (CMR), support up to 64 cameras, tarnish-resistantWidth101.6 mmDepth147 mmHeight26.1 mmWeight570 gPerformanceDrive Transfer Rate600 MBps (external)Internal Data Rate175 MBpsReliabilityMTBF1,000, 000 hoursNon-Recoverable Errors1 per 10^14Load / Unload Cycles300,000Expansion & ConnectivityInterfaces1 x SATA 6 Gb/sCompatible Bay3.5"PowerPower Consumption4.6 Watt (read/write)
3.7 Watt (idle)
0.3 Watt (standby)
0.3 Watt (sleep)MiscellaneousCompliant StandardsRoHS 2011/65/EUDimensions & Weight (Shipping)Shipping Width12.7 cmShipping Depth19.05 cmShipping Height6.35 cmShipping Weight890 gManufacturer WarrantyService & SupportLimited warranty - 3 yearsEnvironmental ParametersMin Operating Temperature0 °CMax Operating Temperature65 °CMin Storage Temperature-40 °CMax Storage Temperature70 °CShock Tolerance (operating)30 g @ 2 msShock Tolerance (non-operating)250 g @ 2 ms Technical data provided by third party. We assume no liability for errors within these data.
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