Model Number: WD85PURZ Manufacturing Year: Manufactured in October 2024 Rotation Speed: 5640RPM Capacity: 8TB Power-on Count: 3 Usage Hours: 17 This is a current model of the HGST-based Purple 8TB. Usage hours are extremely low. Capacity: 8TB, for surveillance cameras, security systems, recording, and continuous operation. CMR (Conventional Magnetic Recording) method, video. [Cache Size] 256MB [Form Factor] SATA HDD [Interface] 3.5 inch ★ Designed and engineered for 24/7 reliability ★ Drive designed for high-resolution, always-on surveillance security systems with up to 8 hard disk drives and up to 64 cameras ★ High-endurance surveillance system drive made for both DVR and NVR security systems Genre: HDD Type: 3.5-inch SerialATA internal WD84PURZ WD82PURZ Hard Disk HDD Surveillance Video