Western Digital WD Purple 10TB – Surveillance Hard Drive A professional and reliable storage solution for surveillance camera systems, designed for continuous operation and long-term video recording storage. Specifications: Storage Capacity: 10TB Model: HUH721010ALE600 Type: Internal 3.5-inch HDD Interface: SATA 6Gb/s Rotation Speed: 7200 RPM Cache: 256MB Suitable for storage, surveillance, and video recording systems. Manufacturer: Western Digital Country of Manufacture shown on product: Thailand Features: Massive 10TB capacity for storing a large amount of camera recordings. Fast and reliable performance thanks to 7200 RPM speed. 256MB cache memory to improve read and write performance. SATA 6Gb/s interface for fast connection. Suitable for continuous storage in professional surveillance systems. A suitable option for DVR / NVR devices that support 10TB SATA drives. Note: Please ensure your DVR/NVR recording device is compatible with 10TB capacity before purchasing. The basic specifications for the HUH721010ALE600 model are documented by Western Digital as a 10TB 3.5-inch SATA drive with 7200RPM speed; it shows 256MB cache in the product specifications. Hard Western Digital WD Purple 10TB for Surveillance – SATA 6Gb/s – 7200RPM