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WD Purple™ 4TB 3.5" Internal Hard Drive For Surveillance Systems, 64MB Cache, SATA/600, WD40PURX Item # 628848
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WD Purple Surveillance Storage offers exclusive AllFrame technology to bring you premium reliability and peace-of-mind when installing your home or small to medium business security system. WD Purple's exclusive firmware upgrades work with ATA streaming to reduce error pixilation and video interruptions that occur when desktop hard drives are incorrectly used as storage in security systems. WD Purple Surveillance Storage is built for 24/7, always-on, high-definition surveillance security systems that use up to eight hard drives and up to 32 cameras.You wouldn't use a bicycle to transport cargo across the country because it's not the right tool for the job. You also shouldn't use a desktop hard drive in your surveillance security system because it wasn't designed for that application. WD Purple surveillance-class storage has been tested to be compatible in a wide-range of security systems. These drives are designed to replace standard desktop drives that were not designed for the harsh 24/7 always-on, high-definition surveillance environment. Desktop drives are built to run for only short intervals and are not engineered to withstand high-temperature fluctuations and equipment vibrations found in a typical surveillance application.
|buffer size||64 MB|
|cache size||64 MB|
|Compatible Bay||3.5" x 1/3H|
|device connector type||SATA/600|
|Device Supported||Storage System|
|Features||Advanced Format; S.M.A.R.T; IntelliPower|
|hard drive type||Hard Drive|
|hard drive width||3.5 in.|
|Load / Unload Cycles||300,000|
|manufacturer||Western Digital Corporation|
|maximum data transfer rate||768 MB/s (6 Gbit/s)|
|Platform Supported||PC; Mac|
|Product Name||Purple 4TB SATA 6 Gb/s, 3.5-inch Surveillance Hard Drive|
|storage capacity||4 TB|
|System Requirements||Operating System(s): Windows 8; Windows 7|
|warranty length||3-year limited|
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WD Purple Surveillance Hard Drives are engineered for 24x7 reliable operation, high-definition surveillance security systems that use up to 8 hard drives and up to 32 cameras. Exclusive firmware reduces error pixilation and video interruptions that occur when desktop hard drives are incorrectly used as storage in security systems.
- Engineered specifically for surveillance security systems.
- Reduced video frame loss.
- Tuned for write-intensive, low bit-rate, high stream-count applications typical to most surveillance applications.
- Prioritized write-operations for maximized surveillance performance.
- TLER & ATA streaming support.
- Support for up to eight drives.
|Transfer Rates Buffer To Host (Serial ATA)||6 Gb/s (Max)|
|Transfer Rates Transfer Rate (Buffer To Disk)||150 Mb/s (Max)|
|Form Factor||3.5 Inch|
|User Sectors Per Drive||7,814,037,168|
|Metric Height||26.1 mm|
|Metric Depth||147 mm|
|Metric Width||101.6 mm|
|Metric Weight||0.68 kg|
|Shock Operating Shock (Read)||65G, 2 ms|
|Shock Non-operating Shock||250G, 2 ms|
|Acoustics Idle Mode||26 dBA (average)|
|Acoustics Seek Mode 0||27 dBA (average)|
|Temperature (Metric) Operating||-0° C to 65° C|
|Temperature (Metric) Non-operating||-40° C to 70° C|
|Power Dissipation Read/Write||5.10 Watts|
|Power Dissipation Idle||4.50 Watts|
|Power Dissipation Standby||0.50 Watts|
|Power Dissipation Sleep||0.50 Watts|