western digital WD Purple 18TB SATA 6Gb/s CE HDD 3.5inch internal 7200Rpm 512MB Cache 24x7 Bulk

WD Purple™ drives are engineered specifically for surveillance to help withstand the elevated heat fluctuations and equipment vibrations within NVR environments. An average desktop drive is built to run for only short intervals, not the harsh 24/7 alwayson environment of a high-definition surveillance system. With WD Purple, you getreliable, surveillance-class storage that’s tested for compatibility in a wide range of security systems. Exclusive AllFrame™ technology helps reduce frame loss and improve overall video playback. WD Purple 8TB4 and higher drives have additional performance headroom to support a new generation of AI-enabled NVRs, video analytics appliances, and deep-learning servers. Features Capacity up to 18TB Engineered specifically for surveillance security systems. Tuned for write-intensive, low bit-rate, high stream-count workloads typical to most surveillance applications. 8TB and above have additional enhancements and higher workload rate for AI-enabled recorders, systems and solutions Supports up to 180 TB/yr workload rate (Up to 360 TB/yr workload rate on 8TB, 10TB, 12TB, 14TB and 18TB drives). Support for more than eight bays. Tarnish-resistant components. 3-years limited Warranty TECHNICAL SPECIFICATIONS PRODUCT FEATURES Capacity 12TB Form Factor 3.5-inch Advanced Format Yes RoHS compliant Yes Cameras supported Up to 64 HD Drive Bays Supported No Limit AI Streams 32 Firmware Feature Name AllFrame AI Tarnish resistant components Yes PERFORMANCE Interface transfer rate (max) Buffer to hostHost to/from drive (sustained) 6 Gb/s245 MB/s Cache (MB) 256 RPM 7200 RELIABILITY Load/unload cycles 300,000 Annualized worklad rating 360TB/yr Non-recoverable read errors per bits read 1 in 10(15) MTBF 1,500,000 Limited Warranty (years) 3 POWER MANAGEMENT Average Power Requirements (W) Read/Write 6.6 Idle 5.6 Standby and Sleep 0.6 ENVIRONMENTAL SPECIFICATIONS Operating Temperature 0 to 65°C Non-Operating Temperature -40 to 70°C Shock (Gs)Operating (2ms, read/write)Operating (2ms, read)Non-operating (2ms) 3065250 Acoustics (average) Idle Mode 20 Seek Mode 29 PHYSICAL DIMENSIONS Height (max) (in./mm, max) 1.028/26.1 Lenght (max) (in./mm, max) 5.787/147 Width (± .01 in.) (in./mm) 4/101.6 Weight (lb/kg, ± 10%) 1.64/0.66