Seagate Ironwolf NAS ST4000VN006 4TB 3.5" 5400RPM 256MB Cache SATA III Internal Hard Drive

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).

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