Western Digital Purple Pro WD121PURP 12 TB Hard Drive - 3.5" Internal SATA Surveillance HDD

Discover the ultimate storage solution for smart video technology with the Western Digital Purple Pro WD121PURP 12 TB. This high-capacity, 3.5-inch internal hard drive is purpose-built for security systems that demand reliable, continuous performance. With a SATA (SATA/600) interface and Conventional Magnetic Recording (CMR), WD Purple Pro delivers the endurance and efficiency needed for modern surveillance deployments, from small NVRs to enterprise-grade security platforms. Whether you’re expanding your camera fleet, extending retention periods, or consolidating multiple recording streams, this drive is engineered to keep footage accessible, organized, and secure around the clock.

• Maximize retention and camera coverage with a massive 12 TB capacity, giving you year after year of continuous video recording across multiple streams and camera setups while reducing the need for frequent upgrades.
• 3.5-inch internal form factor with a SATA 6Gb/s interface provides dependable, high-bandwidth performance inside desktops, servers, and dedicated surveillance appliances, ensuring smooth writes and rapid data retrieval during investigations.
• Conventional Magnetic Recording (CMR) technology delivers consistent write performance under heavy surveillance workloads, maintaining steady throughput even as recording counts rise or retention periods extend.
• AllFrame technology helps minimize video interruptions, reducing dropped frames and ensuring reliable, continuous recording across large camera networks in critical security deployments.
• Engineered for endurance and reliability in 24/7 operation, this drive is built to withstand the rigors of around-the-clock surveillance, offering robust build quality and dependable long-term use in NVRs, DVRs, and hybrid security environments.

Technical Details of Western Digital Purple Pro WD121PURP 12 TB Hard Drive

• Capacity: 12 TB
• Form Factor: 3.5-inch internal hard drive
• Interface: SATA III (SATA/600)
• Recording method: Conventional Magnetic Recording (CMR)
• Designed for surveillance workloads with optimized video streaming and multi-camera compatibility
• AllFrame technology aimed at reducing video interruptions and ensuring reliable recording

How to Install Western Digital Purple Pro WD121PURP

• Power down your computer, server, or surveillance appliance and disconnect the power supply and any external connections.
• Open the chassis and locate an available 3.5-inch drive bay. Align the WD121PURP with the mounting holes and secure it using the appropriate screws.
• Connect the SATA data cable to the motherboard or storage controller and attach the SATA power connector from the power supply. Ensure the connections are secure but do not overtighten.
• Power on the system and enter the BIOS, UEFI, or your operating system’s disk management utility to initialize and format the new drive according to your surveillance software or storage plan.
• Configure your surveillance software or NAS/NVR software to recognize the new drive, set up any RAID or storage pools as needed, and begin your recording workflow with optimal settings for reliability and retention.

Frequently asked questions

• Q: Is the WD121PURP suitable for 24/7 surveillance and high-write workloads?
• A: Yes. It is engineered for continuous operation in surveillance environments, prioritizing reliable writes, steady performance, and long-term endurance.
• Q: What is the capacity and form factor?
• A: The drive offers 12 TB of storage in a 3.5-inch internal form factor with a SATA 6Gb/s interface.
• Q: Does it use CMR recording?
• A: Yes, it employs Conventional Magnetic Recording (CMR) to support consistent data throughput under varying surveillance loads.
• Q: Can this drive be used in both NVRs and DVRs?
• A: Absolutely. It is designed for a wide range of surveillance systems, including NVRs, DVRs, and other security hardware that require dependable, long-term storage.