IronWolf Pro drives are engineered to deliver 24×7 performance, reliability, and dependability in multi-bay, multi-user commercial and enterprise RAID storage solutions. Total peace of mind with five-year limited warranty, complimentary three-year Rescue Data Recovery Services, and IronWolf Health Management.

Seagate IronWolf Pro ST4000NT001. HDD capacity: 4 TB, HDD speed: 7200 RPM, Storage drive buffer size: 256 MB, HDD size: 3.5"

HDD capacity	4 TB
HDD speed	7200 RPM
HDD size	3.5"
Type	HDD
Component for	NAS
Storage drive buffer size	256 MB
HDD interface transfer rate	6 Gbit/s
HDD sustained transfer rate	250 MiB/s
Uncorrectable Bit Error Rate (UBER)	< 1 per 10^15 bits read
Rotational Vibration (RV) sensors	Yes
Workload rate limit	550 TB/year
Noise level (idle)	28 dB
Mean time between failures (MTBF)	2000000 h
Power consumption (typical)	8.7 W
Power consumption (standby)	1 W
Power consumption (off)	1 W
Power consumption (idle)	5.5 W
Operating voltage	5 / 12 V
Start-up current	2 A
Operating temperature (T-T)	0 - 65 °C
Storage temperature (T-T)	-40 - 70 °C
Non-operating vibration	2.27 G
Operating shock	70 G
Non-operating shock	300 G
Width	4.01" (101.8 mm)
Height	1.03" (26.1 mm)
Depth	5.79" (147 mm)
Weight	22.9 oz (650 g)