Seagate IronWolf Pro ST4000NT001 internal hard drive 3.5" 4000 GB

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.

Features
HDD size:	3.5"
HDD capacity:	4000 GB
HDD speed:	7200 RPM
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:
Workload rate limit:	550 TB/year
Noise level (idle):	28 dB
Mean time between failures (MTBF):	2000000 h
Power
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
Operational conditions
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
Weight & dimensions
Width:	101.8 mm
Height:	26.1 mm
Depth:	147 mm
Weight:	650 g