Western Digital Red Plus 4TB 3.5" 5400rpm 256MB SATA WD40EFPX

Features:Start/stop cycles: 600000Advanced Format (AF): YesHot-swap: NoNoise level (idle): 23 dBInterface: Serial ATA IIIWorkload rate limit: 180 TB/yearHDD size: 3.5"24/7 operation: YesType: HDDHDD interface transfer rate: 6 Gbit/sHDD speed: 5400 RPMComponent for: NASStorage drive buffer size: 256 MBNative Command Queuing (NCQ): YesMean time between failures (MTBF): 1000000 hHDD capacity: 4 TBPower:Power consumption (standby): 0.3 WPower consumption (idle): 3.1 WOperational conditions:Storage t