Product comparison · 2 internal hard drives

Seagate IronWolf ST2000VN003_B2 internal hard drive vs Seagate ST4000NM0025-RF internal hard drive

17specifications compared
12differ
5identical
18known for one product only

Key differences

The Seagate ST4000NM0025-RF internal hard drive has 2 TB more HDD capacity than the Seagate IronWolf ST2000VN003_B2 internal hard drive (4 TB vs 2 TB). The Seagate ST4000NM0025-RF internal hard drive has 1,800 RPM more HDD speed than the Seagate IronWolf ST2000VN003_B2 internal hard drive (7200 RPM vs 5400 RPM). The Seagate IronWolf ST2000VN003_B2 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: Serial ATA III on the Seagate IronWolf ST2000VN003_B2 internal hard drive, SAS on the Seagate ST4000NM0025-RF internal hard drive. Operating temperature (T-T): 0 - 65 °C on the Seagate IronWolf ST2000VN003_B2 internal hard drive, 5 - 60 °C on the Seagate ST4000NM0025-RF internal hard drive.

HDD capacity
- IronWolf ST2000VN003_B2 internal hard drive:2 TB
- ST4000NM0025-RF internal hard drive:4 TB
HDD speed
- IronWolf ST2000VN003_B2 internal hard drive:5400 RPM
- ST4000NM0025-RF internal hard drive:7200 RPM
Interface
- IronWolf ST2000VN003_B2 internal hard drive:Serial ATA III
- ST4000NM0025-RF internal hard drive:SAS
Storage drive buffer size
- IronWolf ST2000VN003_B2 internal hard drive:256 MB
- ST4000NM0025-RF internal hard drive:128 MB
Mean time between failures (MTBF)
- IronWolf ST2000VN003_B2 internal hard drive:1000000 h
- ST4000NM0025-RF internal hard drive:2000000 h
Power consumption (typical)
- IronWolf ST2000VN003_B2 internal hard drive:3.1 W
- ST4000NM0025-RF internal hard drive:10.5 W
Power consumption (idle)
- IronWolf ST2000VN003_B2 internal hard drive:2.8 W
- ST4000NM0025-RF internal hard drive:6.7 W
Operating temperature (T-T)
- IronWolf ST2000VN003_B2 internal hard drive:0 - 65 °C
- ST4000NM0025-RF internal hard drive:5 - 60 °C

Side by side

Differences highlightedShow differences only

Comparison of ST2000VN003_B2, ST4000NM0025-RF
35 specifications	A Seagate IronWolf ST2000VN003_B2 internal hard drive Model ST2000VN003_B2 View product	B Seagate ST4000NM0025-RF internal hard drive Model ST4000NM0025-RF View product
Features5 differ
HDD capacityDiffers	2 TB	4 TB
HDD speedDiffers	5400 RPM	7200 RPM
InterfaceDiffers	Serial ATA III	SAS
Component forKnown for one	NAS	Unknown — not stated by the source
Storage drive buffer sizeDiffers	256 MB	128 MB
HDD interface transfer rateKnown for one	6 Gbit/s	Unknown — not stated by the source
Uncorrectable Bit Error Rate (UBER)Known for one	< 1 per 10^14 bits read	Unknown — not stated by the source
Error Recovery Control (ERC)Known for one	Yes	Unknown — not stated by the source
Rotational Vibration (RV) sensorsKnown for one	Yes	Unknown — not stated by the source
24/7 operationKnown for one	Yes	Unknown — not stated by the source
Start/stop cyclesKnown for one	600000	Unknown — not stated by the source
Noise level (idle)Known for one	21 dB	Unknown — not stated by the source
Mean time between failures (MTBF)Differs	1000000 h	2000000 h
HDD sustained transfer rateKnown for one	Unknown — not stated by the source	215 MiB/s
Average latencyKnown for one	Unknown — not stated by the source	4.16 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
RefurbishedKnown for one	Unknown — not stated by the source	Yes
Power2 differ
Power consumption (typical)Differs	3.1 W	10.5 W
Power consumption (standby)Known for one	0.25 W	Unknown — not stated by the source
Power consumption (idle)Differs	2.8 W	6.7 W
Start-up currentKnown for one	1.8 A	Unknown — not stated by the source
Operational conditions3 differ
Operating temperature (T-T)Differs	0 - 65 °C	5 - 60 °C
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Operating shockDiffers	80 G	70 G
Non-operating shockDiffers	300 G	250 G
Non-operating vibrationKnown for one	Unknown — not stated by the source	5 G
Weight & dimensions2 differ
HeightDiffers	20.2 mm	26.1 mm
WeightDiffers	415 g	655 g
Packaging dataidentical
Quantity per packKnown for one	Unknown — not stated by the source	20 pc(s)
Logistics dataidentical
Harmonized System (HS) codeKnown for one	Unknown — not stated by the source	84717050

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.

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