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🔒 Secure your world with WD Purple Pro — where AI meets unstoppable storage power!
The Western Digital 12TB WD Purple Pro Surveillance Internal Hard Drive is a 3.5-inch SATA 6 Gb/s mechanical HDD designed specifically for high-end AI-enabled video surveillance systems. Featuring a 7200 RPM spindle speed, 256 MB cache, and AllFrame AI technology, it supports up to 32 AI streams and a 550 TB/year workload rate. Built for continuous 24/7 operation, it offers enterprise-grade reliability with tarnish-resistant components and vibration tolerance, making it ideal for multi-camera, multi-bay setups in business or personal environments. Backed by a 5-year limited warranty, this drive ensures seamless, lag-free video recording and playback for advanced security solutions.











| ASIN | B0966V6YJB |
| Additional Features | Data Recovery Service |
| Best Sellers Rank | #13 in Internal Hard Drives |
| Brand | WD |
| Built-In Media | 3.5" WD Purple Pro SATA 6 Gb/s Hard Drive, Mounting Screws, Quick Install Guide |
| Cache Memory Installed Size | 256 |
| Color | Purple |
| Compatible Devices | Server, Storage System, Video Surveillance System |
| Connectivity Technology | SATA |
| Customer Reviews | 4.5 4.5 out of 5 stars (766) |
| Data Transfer Rate | 245 Megabits Per Second |
| Digital Storage Capacity | 12 TB |
| Enclosure Material | Information Not Available |
| Form Factor | 3.5-inch |
| Global Trade Identification Number | 00718037889344 |
| Hard Disk Description | Mechanical Hard Disk |
| Hard Disk Form Factor | 3.5 Inches |
| Hard Disk Interface | Serial ATA |
| Hard Disk Rotational Speed | 7200 RPM |
| Hard-Drive Size | 12 TB |
| Hardware Connectivity | SATA 6.0 Gb/s |
| Installation Type | Internal Hard Drive |
| Item Dimensions L x W x Thickness | 5.79"L x 4"W x 1.03"Th |
| Item Type Name | Hard Drive |
| Item Weight | 0.66 Kilograms |
| Manufacturer | Western Digital Technologies, Inc. |
| Model Name | WD Purple Pro Surveillance Hard Drive |
| Model Number | WD121PURP-SPB5SY0 |
| Number of Items | 1 |
| Specific Uses For Product | Business, Personal |
| UPC | 718037889344 |
| Unit Count | 1.0 Count |
| Warranty Description | Five year limited-warranty |
N**Y
Works perfectly with my Unifi NVR
The Western Digital 10TB WD Purple Pro Surveillance drive is an excellent choice for anyone looking to upgrade their surveillance storage system. Built specifically for 24/7 operation, this drive offers reliable, high-capacity storage designed to handle multiple camera streams simultaneously, making it perfect for large-scale or demanding setups. One of the standout features is the AllFrame AI technology, which reduces frame loss and improves video playback quality, even in high-stress environments. It also supports AI workloads for those integrating advanced analytics into their security systems. The 10TB capacity is more than enough for long-term storage of high-definition video footage, which is ideal for businesses, commercial properties, or even home users with more comprehensive surveillance needs. The drive operates quietly and efficiently, with minimal heat output even during heavy use. The added benefit of being optimized for NVRs (Network Video Recorders) ensures seamless integration with most modern security setups. Additionally, the three-year limited warranty provides peace of mind that this drive is built to last. In summary, the WD Purple Pro 10TB is a solid, dependable investment for any surveillance system. Its robust design, massive storage capacity, and performance under continuous workloads make it an industry-leading solution. Highly recommended for anyone serious about security and data integrity.
E**G
Excellent and reliable drive.
I have a Unifi setup, with 4 WiFi cameras. I was using the Cloud Key Gen 2+ with the 1Tb included HD, but I was having alot of issues with pulling up footage, live views, lagging, etc, on the gen2+. But now I upgraded my setup to a Dream Machine Pro SE, with a Unifi WiFi 6 Pro Access Point, with this 12TB WD surveillance drive, and it works FLAWLESSLY! Make sure you buy a surveillance grade HD, other HDs like for a PC gamer build, they will fail within a few months, believe me, it’s happened to me. I get 120 days of continuous storage with my 4 WiFi cameras. All my issues were resolved! No lag, scrubbing is smooth and easy, live views on my local WiFi and on 5G on my iPhone using the Unifi protect app all work great now! It’s a FAR more reliable setup and I would encourage anyone who wants to use Unifi to go this route for your home security cameras.
S**P
Durability
Was loud in my old box, I cannot hear it in my Fractal Define 7 case but these are known to be loud. Working after 1 year. Constant write from Blue Iris.
C**G
Good drive for an NVR security system
Ordered a Network Video Recorder without the HD because of the price the vendor wanted. I saved about $30 on this and got free shipping. It didn't have mounting screws but, I had plenty of extras. It was easy to mount to the bottom screw holes. You can capture a lot of video with 10TB of storage capacity. I like the SATA III speed. This drive is also designed with a 512MB cache which is nice. It has a spin rate of 7200RPM so this is a well designed drive. It is a good alue for the money and I will not hesitate to buy another one.
C**A
Excelente venta y buen asesor comercial recomiendo hacer la compra Excelente producto
K**H
Great
Works great I have two installed but to still lose gigs on both , not sure if the full gigs are installed or the system is taking from both
S**D
Not as quiet as I had expected, but a great value for an 8TB Surveillence Drive
Purchased to install in new computer running Blue Iris 5 Surveillance Software. Writes fast. Good Price for an 8TB Surveillance Drive. You can certainly hear it when it's writing to the drive, but not so loud as to be an annoyance. Would have preferred PCIe Gen5 NVMe M.2 SSD, but that would have broke the bank for 8TB! It's only being used for Achieved clips of footage.
H**T
We bad. Less than a year of use
Went bad after not even a year in use
F**.
Tutto ok
K**E
I've been running this writing video footage non-stop for almost 18 months from multiple cameras out of a UnFi Dream Machine. It's working great - not much more to say!
F**D
الهاردسك عادي وليس برو وما انتبهت إلا بعد ما فكيته
M**.
Reliable item for a good value. Used in professional CCTV system, and i have no issue with it whatsoever for now.
I**Z
Es lo que necesitaba y me funcionó bien
Trustpilot
2 weeks ago
3 weeks ago