Seagate Ironwolf NAS ST4000VN006 4TB 3.5" 5400RPM 256MB

Key FeaturesIronWolf NAS Hard DrivesFor multi-user NAS environments that need high workload rated drives.IronWolf is designed for everything NAS. Get used to tough, ready and scalable 247 performance that can handle multi-bay NAS environments across a wide range of capacities.IronWolfIronWolf provides a workload rate of 180 TB/year with scalable 247 performance that can handle multi-bay NAS environments, as well as capacities up to 12 TB. It fits applications like 1- to 8-bay network attached storage (NAS).Drive Health and Data RecoveryWhen integrated into compatible NAS systems, these drives provide overall system reliability increases due to IronWolf Health Management (IHM).SpecificationsDrive SpecificationFormatted capacity4000GB (4TB)Guaranteed sectors 7,814,037,168 Heads 4Disks 2Bytes per sector (4K physical emulatedat 512-byte sectors) 4096Default sectors per track 63Default read/write heads 16Default cylinders 16,383Recording density (max) (KBPI)2448Track density (avg) (KTPI)480Areal density (avg) (Gb/in2)1175SATA interface transfer rate 600MB/sMaximum sustained data rate 180 MB/sATA data-transfer modes supportedPIO modes: 0 to 4Multiword DMA modes: 0 to 2Ultra DMA modes 0 to 6Cache buffer 256MBHeight (max)20.20mm / 0.795 in (max)Width (max) 101.85mm / 4.010 inLength (max) 146.99mm / 5.787 inWeight (max)490g / 1.08 lbAverage latency 6.0 msStartup current (typical) 12V 1.8AVoltage tolerance (including noise) 5V: 5%12V: 10%Non-Operating (Ambient C)40 to 70Operating ambient temperature(min C) 0Operating temperature(drive reported max C) 65Temperature gradient 20C per hour max (operating)30C per hour max (nonoperating)Relative humidity 5% to 90% (operating)5% to 95% (nonoperating)Relative humidity gradient (max) 30% per hour-Type Of Drive: HDDPhysical Drive Size: 3.5Connection: SATA IIICapacity: 4TBDrive Classification: StandardPackaging: OEM