Product comparison · 2 internal hard drives

Seagate ST4000NM0025-RF internal hard drive vs Seagate IronWolf ST6000VN006_B3 internal hard drive

17specifications compared
11differ
6identical
18known for one product only

Key differences

The Seagate IronWolf ST6000VN006_B3 internal hard drive has 2 TB more HDD capacity than the Seagate ST4000NM0025-RF internal hard drive (6 TB vs 4 TB). The Seagate ST4000NM0025-RF internal hard drive has 1,800 RPM more HDD speed than the Seagate IronWolf ST6000VN006_B3 internal hard drive (7200 RPM vs 5400 RPM). The Seagate IronWolf ST6000VN006_B3 internal hard drive has 128 MB more storage drive buffer size than the Seagate ST4000NM0025-RF internal hard drive (256 MB vs 128 MB). Interface: SAS on the Seagate ST4000NM0025-RF internal hard drive, Serial ATA III on the Seagate IronWolf ST6000VN006_B3 internal hard drive. Operating temperature (T-T): 5 - 60 °C on the Seagate ST4000NM0025-RF internal hard drive, 0 - 65 °C on the Seagate IronWolf ST6000VN006_B3 internal hard drive.

HDD capacity
- ST4000NM0025-RF internal hard drive:4 TB
- IronWolf ST6000VN006_B3 internal hard drive:6 TB
HDD speed
- ST4000NM0025-RF internal hard drive:7200 RPM
- IronWolf ST6000VN006_B3 internal hard drive:5400 RPM
Interface
- ST4000NM0025-RF internal hard drive:SAS
- IronWolf ST6000VN006_B3 internal hard drive:Serial ATA III
Storage drive buffer size
- ST4000NM0025-RF internal hard drive:128 MB
- IronWolf ST6000VN006_B3 internal hard drive:256 MB
Mean time between failures (MTBF)
- ST4000NM0025-RF internal hard drive:2000000 h
- IronWolf ST6000VN006_B3 internal hard drive:1000000 h
Power consumption (typical)
- ST4000NM0025-RF internal hard drive:10.5 W
- IronWolf ST6000VN006_B3 internal hard drive:5.3 W
Power consumption (idle)
- ST4000NM0025-RF internal hard drive:6.7 W
- IronWolf ST6000VN006_B3 internal hard drive:4 W
Operating temperature (T-T)
- ST4000NM0025-RF internal hard drive:5 - 60 °C
- IronWolf ST6000VN006_B3 internal hard drive:0 - 65 °C

Side by side

Differences highlightedShow differences only

Comparison of ST4000NM0025-RF, ST6000VN006_B3
35 specifications	A Seagate ST4000NM0025-RF internal hard drive Model ST4000NM0025-RF View product	B Seagate IronWolf ST6000VN006_B3 internal hard drive Model ST6000VN006_B3 View product
Features5 differ
HDD capacityDiffers	4 TB	6 TB
HDD speedDiffers	7200 RPM	5400 RPM
InterfaceDiffers	SAS	Serial ATA III
Component forKnown for one	Unknown — not stated by the source	NAS
Storage drive buffer sizeDiffers	128 MB	256 MB
HDD interface transfer rateKnown for one	Unknown — not stated by the source	6 Gbit/s
Uncorrectable Bit Error Rate (UBER)Known for one	Unknown — not stated by the source	< 1 per 10^14 bits read
Error Recovery Control (ERC)Known for one	Unknown — not stated by the source	Yes
Rotational Vibration (RV) sensorsKnown for one	Unknown — not stated by the source	Yes
24/7 operationKnown for one	Unknown — not stated by the source	Yes
Start/stop cyclesKnown for one	Unknown — not stated by the source	600000
Noise level (idle)Known for one	Unknown — not stated by the source	26 dB
Mean time between failures (MTBF)Differs	2000000 h	1000000 h
HDD sustained transfer rateKnown for one	215 MiB/s	Unknown — not stated by the source
Average latencyKnown for one	4.16 ms	Unknown — not stated by the source
Bytes per sectorKnown for one	512	Unknown — not stated by the source
RefurbishedKnown for one	Yes	Unknown — not stated by the source
Power2 differ
Power consumption (typical)Differs	10.5 W	5.3 W
Power consumption (standby)Known for one	Unknown — not stated by the source	0.25 W
Power consumption (idle)Differs	6.7 W	4 W
Start-up currentKnown for one	Unknown — not stated by the source	1.8 A
Operational conditions3 differ
Operating temperature (T-T)Differs	5 - 60 °C	0 - 65 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Operating shockDiffers	70 G	80 G
Non-operating shockDiffers	250 G	300 G
Non-operating vibrationKnown for one	5 G	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	655 g	630 g
Packaging dataidentical
Quantity per packKnown for one	20 pc(s)	Unknown — not stated by the source
Logistics dataidentical
Harmonized System (HS) codeKnown for one	84717050	Unknown — not stated by the source

A dash means the value is not stated by the source. Unknown values are never counted for or against a product, and there is no overall score.

More internal hard drive comparisons

All internal hard drive comparisons