Western Digital Purple Pro 22TB 7200rpm 512MB (WD221PURP)

Features:24/7 operation: YesWorkload rate limit: 550 TB/yearHDD speed: 7200 RPMInterface: Serial ATA IIIHDD capacity: 22 TBMean time between failures (MTBF): 2500000 hRAID levels: JBODComponent for: Surveillance systemHDD interface transfer rate: 6 Gbit/sNoise level (idle): 20 dBType: HDDStorage drive buffer size: 512 MBAdvanced Format (AF): YesStart/stop cycles: 600000HDD size: 3.5"Hot-swap: NoPower:Power consumption (standby): 1.2 WPower consumption (idle): 5.6 WOperational conditions:Operatin