The 2TB Purple 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 2TB hard drive can hold a large amount of data and gives you the ability to easily upgrade and expand your security system. Furthermore, WD AllFrame technology helps improve video capturing and reduces errors, pixilation, 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 180 MB/s, and a 64MB 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.

2TB Storage Capacity    3.5" Form Factor    SATA III 6 Gb/s Interface    64MB Cache    Up to 180 MB/s Sustained Data Transfers    300,000 Load/Unload Cycles    180TB per Year Workload Rating    Designed for 24/7 Surveillance    Supports up to 64 HD Cameras    WD AllFrame Technology

• 2TB storage capacity
• Engineered for mainstream surveillance systems
• WD AllFrame technology delivers optimizations for write-intensive, low bit-rate, high stream-count workloads typical to mainstream surveillance applications
• Supports a workload rate of up to 180 TB per year
• Support for up to 16 bays
• Tarnish-resistant components
• Limited 3-year limited warranty

Western Digital has provided surveillance-grade storage for more than a decade. With WD Purple surveillance storage, drives are engineered for high temperature, always-on surveillance systems so you can rely on quality video when you need it most. WD Purple delivers smart video storage that you can trust and are backed by a limited 3-year warranty.

All WD Purple drives are equipped with AllFrame technology, which helps reduce video frame drops and improves video recording and playback.

WD Purple drives feature a workload rating of up to 180TB per year, which is up to three times that of desktop drives, to handle the unique demands of mainstream video surveillance DVR and NVR systems.

Modern recorders now support multiple video streams per camera. WD Purple drives support up to 64 single-stream HD cameras. With so many options, you have the flexibility to upgrade or expand your security applications in the future.

Engineered for reliability with an MTBF of up to 1 million hours and backed with a limited 3-year warranty, WD Purple drives feature tarnish-resistant components and support for storage systems with up to 16 drive bays. WD Purple hard drives are designed with RAID error recovery control to help reduce failures in supported video recorders.

WD Purple hard drives are built with compatibility in mind, so you can quickly and seamlessly add capacity to your surveillance system. With a wide range of industry-leading enclosures and chipsets supported, you're sure to find the DVR or NVR configuration that's right for you.

Western Digital stands behind their surveillance storage solutions with a limited 3-year warranty included with every WD Purple drive.

Related Questions and Answers

Q: 1. how many days of surveillance will it store?

A: It will depend on the settings you have on the system mine runs about a week before it needs to be formatted again

Q: 2. what is the length of the warrantee?:

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

Q: 3. what is the product warranty?

A: This WD 8TB Purple Pro 7200 rpm SATA III 3.5" Internal Surveillance Hard Drive (OEM) has a limited 5 year manufacturer warranty.

Q: 4. Does this product come with the SATA III cable and a way attach to DVR?

A: The drive does not come with cables.

Q: 5. is this drive compatable with hikvision 4k nvr?

A: Yes the wd purple drives are recommended for use by Hikvision

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. What is best WD 2TB drive to use with Directv HR 21-100 SATA port to increase recording capacity?

A: The WD 2TB Desktop Everyday 3.5 Hard Drive B&H # WEIDDM2 will work well for you.

Q: 8. 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: 9. Is this a CMR or SMR HDD?

A: The Toshiba 8TB S300 Surveillance SATA III 3.5" Internal Hard Drive is a CMR drive.

Q: 10. Is this compatible with the Lorex NR9326 NVR?

A: Yes it is.