WD Purple 4TB SATA 3.5" Internal Hard Drive 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.
Specifications 4 TB
Model number WD40PURZ
Form Factor 3.5-inch
Advanced Format (AF) Yes
RoHS Compliant Yes
Product Features
Cameras supported UP to 64
Maximum drive bays supported 8+
Tarnish resistant components Yes
Data Transfer Buffer to Host: 6 Gb/s
Host to/from Drive (sustained): 175 MB/s
Cache 64 MB
Rotational Speed 5400 rpm
Load/Unload Cycles 300000
Non-Recoverable Read Errors Per Bits Read <10 in 1014
Average Power Requirements Read/Write: 5.3 W
Idle: 4.9 W
Standby and Sleep: 0.4 W
Temperature Operating Temperature: 0 to 65°C
Non-Operating Temperature: -40 to 70°C
Shock Operating (2 ms, read/write): 30 Gs
Operating (2 ms, read): 65 Gs
Non-Operating (2 ms): 250
Acoustics Idle: 25 dBA
Seek (average): 26 dBA
Dimensions (HxWxL) 1.028 x 4.000 x 5.787" / 26.1 x 101.6 x 147.0 mm
Weight 1.65 lb / 0.75 kg
Package Weight 1.9 lb
Box Dimensions (LxWxH) 8.8 x 6.1 x 3.0"
SKU WD40PURZ
Model # WD40PURZ
Barcode # 00718037856773
Brand WD
Shipping Weight 0.5000kg
Shipping Width 0.110m
Shipping Height 0.020m
Shipping Length 0.150m
Unit Of Measure ea
Type store
3 Years Limited Manufacturer Warranty

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