WD Red Plus WD40EFZZ HDD (4 TB; 3.5; 128 MB; 5400 rpm)

Warnings: Do not expose to high temperatures or moisture. | Warnings: Do not open or disassemble. | Warnings: Do not drop and avoid strong impacts. | Workload rate limit: 180 TB/year | Storage temperature (T-T): -40 - 70 °C | Height: 26.1 mm | Operating temperature (T-T): 0 - 65 °C | Depth: 147 mm | Interface: Serial ATA | Component for: NAS | Width: 101.6 mm | Storage drive buffer size: 128 MB | Weight: 550 g | Type: HDD | HDD size: 3.5" | HDD capacity: 4 TB | HDD speed: 5400 RPM | Mean time between failures (MTBF): 1000000 h | Compliance certificates: RCM | Compliance certificates: VCCI | Compliance certificates: CE | Compliance certificates: ICES-003 | Compliance certificates: BSMI | Compliance certificates: KC | Compliance certificates: UL | Compliance certificates: Federal Communications Commission (FCC) | Compliance certificates: UKCA