3.5" WD PURPLE,2TB,INTELLIPOWER, 64MB cache,SATA III,(6Gbps),3YRS 2TB WD 3.5" SATA 6Gb/s Purple SV HDD WD23PURZ Web ID: 37553 WD Purple Pro hard drive for surveillance is engineered with advanced capabilities High performance, reliability and workload capability for advanced AI-enabled recorders, video analytics appliances, deep-learning servers and cloud-based storage, including RAID and JBOD configurations. Supports up to 550 TB/yr workload rate3 in 8TB 22TB1. Designed with tarnish-resistant components for harsh environments, and with additional robustness for multi-bay enclosures Manufacturer Warranty: 3 Year Manufacturer PN: WD23PURZ