WD Purple WD121PURZ 12TB 7200 RPM 256MB Cache SATA 6.0Gb/s 3.5″ Internal Hard Drive Bare Drive

The WD Purple WD121PURZ is a high-capacity 12TB surveillance-optimized hard drive engineered for 24/7 security system operation. Built specifically for DVRs and NVRs, it features AllFrame AI technology that reduces frame loss and improves video playback quality. With 7200 RPM speed and 256MB cache, it delivers reliable performance for continuous recording from up to 64 cameras simultaneously. The drive offers enhanced workload rating of 180TB/year, three times higher than desktop drives, ensuring durability in demanding surveillance environments. Its SATA 6.0Gb/s interface provides fast data transfer, while the 3.5-inch form factor fits standard security system enclosures. Purpose-built firmware optimizes the drive for write-intensive video recording applications, making it the ideal storage solution for professional security installations requiring massive capacity and unwavering reliability.