WD Purple 4TB SATA 6Gb/s CE HDD 3.5inch internal 256MB Cache 24×7...

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WD Purple 4TB SATA 6Gb/s CE HDD 3.5inch internal 256MB Cache 24×7 Bulk

Manufacturer	WESTERN DIGITAL
Manufacturer Part No	WD42PURZ

Marketing Description
WD 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.
General
Device Type	Hard drive – internal
Capacity	4 TB
Form Factor	3.5"
Interface	SATA 6Gb/s
Buffer Size	256 MB
Features	Advanced Format technology, AllFrame, Conventional magnetic recording (CMR), support up to 64 cameras, tarnish-resistant
Width	101.6 mm
Depth	147 mm
Height	26.1 mm
Weight	570 g
Performance
Drive Transfer Rate	600 MBps (external)
Internal Data Rate	175 MBps
Reliability
MTBF	1,000,000 hours
Non-Recoverable Errors	1 per 10^14
Load / Unload Cycles	300,000
Expansion & Connectivity
Interfaces	1 x SATA 6 Gb/s
Compatible Bay	3.5"
Power
Power Consumption	4.6 Watt (read/write) 3.7 Watt (idle) 0.3 Watt (standby) 0.3 Watt (sleep)
Miscellaneous
Compliant Standards	RoHS 2011/65/EU
Dimensions & Weight (Shipping)
Shipping Width	12.7 cm
Shipping Depth	19.05 cm
Shipping Height	6.35 cm
Shipping Weight	890 g
Manufacturer Warranty
Service & Support	Limited warranty – 3 years
Environmental Parameters
Min Operating Temperature	0 °C
Max Operating Temperature	65 °C
Min Storage Temperature	-40 °C
Max Storage Temperature	70 °C
Shock Tolerance (operating)	30 g @ 2 ms
Shock Tolerance (non-operating)	250 g @ 2 ms

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