4TB WD Purple SATA6 5400 RPM 256MB

Product Description

4TB Purple 5400 rpm SATA III 3.5" Internal Surveillance Hard Drive from WD is designed to withstand the stresses placed on it in a 24/7, always-on, high-definition surveillance system with 16 drive bays. With support for up to 64 high-definition surveillance cameras, this 4TB hard drive can hold a large amount of data and gives you the ability to easily upgrade and expand your security system. Furthermore, AllFrame 4K technology helps improve video capturing and reduces errors, pixelation, and video interruptions that could happen in a video recorder system.

A SATA III 6 Gb/s interface, sustained data transfer speeds of up to 150 MB/s, and a 256MB cache all help to ensure uninterrupted data transfers. Furthermore, the drive's 300,000 load/unload cycles, annualized workload rating of 180TB per year, MTBF rating of 1 million hours, and <1 in 1014 non-recoverable read errors per bit read also help to ensure a strong operational life.

General Features
Surveillance Storage
With WD Purple surveillance storage, you have a hard drive engineered for high temperature, always-on surveillance systems so you can rely on quality video playback whether you're protecting loved ones or monitoring your business.
AllFrame 4K Technology
This WD Purple drive is equipped with AllFrame 4K technology, which improves ATA streaming to help reduce frame loss, improve overall video playback, and increase the number of hard drive bays supported within a NVR. AllFrame 4K technology enables high-quality recording for up to 64 cameras.
Enhanced Workload Rating
With a workload rating of 180TB per year, WD Purple is designed to handle the unique demands of modern video surveillance DVR and NVR systems.
Expand Your View to 64
Each WD Purple drive is optimized to support up to 64 cameras, allowing users the flexibility to upgrade or expand their security system in the future.
Designed for the Surveillance Solutions of Today and Tomorrow
With an MTBF of up to 1 million hours, WD Purple is engineered for 24/7 operating in all sizes of mainstream surveillance DVRs and NVRs. With support for 16 drive bays and tarnish-resistant components, WD Purple drives deliver reliable operation in larger scale surveillance systems in harsher environments.
Compatibility & Integration
WD Purple drives are built with compatibility in mind, so you can quickly and seamlessly add capacity to your surveillance system. With a wide range of enclosures and chipsets supported, you're sure to find a DVR or NVR configuration that's right for you.
Less Power, More Efficient
With WD's IntelliSeek technology, Purple drives are able to calculate optimum seek speeds. This helps keep power consumption low so ambient noise and vibrations are at a minimum.

Storage	Storage Capacity    4 TB Buffer    256 MB
Performance	Interface    SATA III (6 Gb/s) Write Speed    Sequential: 150 MB/s Read Speed    Sequential: 150 MB/s
Physical	Drive Type    HDD Form Factor    3.5" Noise Level    28.0 dB (Active) 25.0 dB (Idle)
HDD Specs	Spindle Speed (RPM)    5400 RPM Reliability / Data Integrity Endurance (Total Bytes Written)    180 TB Load/Unload Cycles    300,000 Mean Time Between Failures (MTBF)    1.0 Million Hours Non-Recoverable Read Errors per Bits Read    < 1 in 1014
Electrical	Power Draw    5.1 W (Active) 4.5 W (Idle) 0.4 W (Standby)
Environmental	Operating Shock    30 G / 2.0 ms Storage Shock    250 G / 2.0 ms Operating Temperature    32 to 149°F / 0 to 65°C Storage Temperature    -40 to 158°F / -40 to 70°C
General	Certifications    RoHS, as per Manufacturer
Dimensions (W x H x D)	4.02 x 1.06 x 5.79" / 102.11 x 26.92 x 147.07 mm Weight    1.5 lb / 0.68 kg