Key Features

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

IronWolf is designed for everything NAS. Get used to tough, ready and scalable 24×7 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 24×7 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

Drive Specification

Formatted capacity
4000GB (4TB)

Guaranteed sectors
7,814,037,168

Heads
4

Disks
2

Bytes per sector (4K physical emulatedat 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 (nonoperating)

Relative humidity
5% to 90% (operating)
5% to 95% (nonoperating)

Relative humidity gradient (max)
30% per hour