Seagate 3.5″ 4TB IronWolf NAS Hard Drive: Scalable, Reliable, and Built for 24/7 Performance!

For multi-user NAS environments that need high workload-rated drives.

Seagate 3.5″ 4TB Internal Hard Drive 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.

IronWolf

IronWolf 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 Recovery

When integrated into compatible NAS systems, these drives provide overall system reliability increases due to IronWolf Health Management (IHM).

Specifications:

• Formatted capacity: 4000GB (4TB)
• Guaranteed sectors: 7,814,037,168
• Heads: 4
• Disks: 2
• Bytes per sector (4K physical emulated at 512-byte sectors): 4096
• Default sectors per track: 63
• Default read/write heads: 16
• Default cylinders: 16,383
• Recording density (max) (KBPI): 2448
• Track density (avg) (KTPI): 480
• Areal density (avg) (Gb/in2): 1175
• SATA interface transfer rate: 600MB/s
• Maximum sustained data rate: 180 MB/s
• ATA data-transfer modes supported:
  • PIO modes: 0 to 4
  • Multiword DMA modes: 0 to 2
  • Ultra DMA modes: 0 to 6
• Cache buffer: 256MB
• Height (max): 20.20mm / 0.795 in (max)
• Width (max): 101.85mm / 4.010 in
• Length (max): 146.99mm / 5.787 in
• Weight (max): 490g / 1.08 lb
• Average latency: 6.0 ms
• Startup current (typical) 12V: 1.8A
• Voltage tolerance (including noise):
  • 5V: ±5%
  • 12V: ±10%
• Non-Operating (Ambient °C): 40 to 70
• Operating ambient temperature (min °C): 0°
• Operating temperature (drive reported max °C): 65°
• Temperature gradient:
  • 20°C per hour max (operating)
  • 30°C per hour max (non-operating)
• Relative humidity:
  • 5% to 90% (operating)
  • 5% to 95% (non-operating)
• Relative humidity gradient (max): 30% per hour