The 8TB Purple Pro 7200 rpm SATA III 3.5" Internal Surveillance Hard Drive from WD is designed for high-end AI-enabled recorders, video analytics appliances, deep-learning servers and cloud solutions that can benefit from high-capacity storage with high performance and additional workload capability. With support for up to 64 high-definition surveillance cameras, this 8TB hard drive features AllFrame AI technology, which helps reduce frame loss, improve video playback, enables the recording of multiple streams per camera, and supports up to 32 AI streams per drive for deep learning analytics within the system.

A SATA III 6 Gb/s interface, sustained data transfer speeds of up to 267 MB/s, and a 256MB cache all help to ensure uninterrupted data transfers. Furthermore, the drive's 600,000 load/unload cycles, annualized workload rating of 550TB per year, MTBF rating of 2 million hours, and <1 in 10¹⁵ non-recoverable read errors per bit read also help to ensure a strong operational life with enterprise-class performance, data integrity, and drive reliability, especially in larger-scale systems and enclosures where operational vibration is present.

8TB Storage Capacity    3.5" Form Factor    SATA III 6 Gb/s Interface    256MB Cache    7200 rpm    Up to 267 MB/s Sustained Data Transfers    600,000 Load/Unload Cycles    550TB per Year Workload Rating    Designed for 24/7 Surveillance    Supports up to 64 HD Cameras

• 8TB capacity
• Enterprise-class reliability and performance
• 550TB per year workload rating
• 2.0 million hour Mean Time Between Failure (MTBF)
• AllFrame AI technology helps reduce dropped frames
• Western Digital Device Analytics (WDDA) proactive health management

This WD Purple Pro drive delivers an 8TB capacity for larger scale deployments and longer term video retention requirements.

True enterprise class drives designed with the highest level of reliability. With a 2 million hours MTBF, WD Purple Pro is built for high-end video recorders and analytics servers. It also features tarnish-resistant components and full multi-bay support for dependable operation in large-scale surveillance systems.

Modern cameras and AI-enabled recording systems send multiple streams of high-definition video, picture files, and metadata to storage. WD Purple Pro drives deliver a high level of performance to accurately store all streams.

AllFrame AI technology intelligently guides video, picture and metadata streams to disk while helping to reduce dropped video frames. Up to 32 AI streams are supported for deep learning analytics within the system.

WD Purple Pro drives are optimized to handle up to 64 single-stream HD cameras in addition to 32 concurrent AI streams. This flexibility allows you to easily upgrade and scale your smart video solution to meet your changing needs.

This drive is built with a workload rating of up to 550TB per year to keep up with the 24/7 data capture and analysis demands of advanced AI-enabled recorders, video analytics appliances, and deep learning analytics servers.

Western Digital Device Analytics (WDDA) monitors drive health and recommends action to improve drive operation. This requires pairing with a compatible video recorder or video management system.

Related Questions and Answers

Q: 1. is this drive usable with an array RAID 5 ? should i buy the Reail or OEM version would be enough?

A: You could use this drive but it would be better for you to use a NAS-rated hard drive instead as they are engineered for use in arrays/RAIDs.

Q: 2. What is the Data Transfer Rate ?

A: The 4TB Desktop Performance 7200 rpm SATA III 3.5" Internal HDD Retail Kit BH #WEIDDP4 is rated for up to 202MB/s when using a SATA III interface. Real world performance will depend on your system.

Q: 3. Warranty?

A: The WD 6TB WD_BLACK 7200 rpm SATA III 3.5" Internal Gaming HDD has a 5-year limited warranty.

Q: 4. Does this work with Unifi UNVR or UNVR Pro?

A: Yes. The WD 8TB Purple Pro 7200 rpm SATA III 3.5" Internal Surveillance Hard Drive (OEM) BH #WEWD8001PURP will work with both the Ubiquiti Networks UNVR UniFi Protect NVR BH #UBUNVR and the Ubiquiti Networks UNVR-PRO UniFi Protect NVR Pro (No HDD) B&H # UBUNVRPRO.

Q: 5. I intend to hook up 4 of these as part of a RAID 0 array to boost performance speeds while doing photo editing and graphics intensive work. Is the WD Black ideal for RAID 0, or are they better options out there? Seagate Ironwolf Pro perhaps?

A: The Iron Wolf model line may be better suited for RAID type work.

Q: 6. What does (retail) and (oem) mean

A: When purchasing the RETAIL WD 8TB Purple Pro 7200 rpm SATA III 3.5" Internal Surveillance Hard Drive (Retail) it comes in a BOX that you would normally see on a store shelf. The OEM drive is just the bare drive in an anti-static bag. Both OEM, and RETAIL include a WD 5-Year Warranty.

Q: 7. Will this work with OWC MERCURY ELITE PRO QX2?

A: It could work but it would not be advisable. You may want to consider instead an internal drive rated for NAS/DAS array usage. Desktop drives are not optimized for arrays like the QX2.

Q: 8. What is the difference between wd4004fzwx and wd4003fzex? Both are WD 4TB HDD. I see 128MB cache and 64MB respectively and the 128MB costs less.

A: the 128MB drive is supposed to be newer, the 64MB the older model that has been tested. I think I checked BackBlaze data sheets and these drive have good results.They are pretty quiet as well.

Q: 9. Where are the 1TB and 2TB WD BLACK HDD made?China or where?Thanks!

A: The one I have also says Thailand. I understand, however, that many manufacturers typically outsource the production to a variety of locations, so Thailand may, or may not, be the only place where these drives are made. Nevertheless, I've bought and used WD Black drives for many years, and have nothing but good things to say about them.

Q: 10. what is the length of the warrantee?:

A: This product has a three year, limited manufacturer's warranty.