Product comparison · 2 internal hard drives

Seagate IronWolf Pro ST28000NT000 internal hard drive vs Seagate ST4000NM0025-RF internal hard drive

19specifications compared
12differ
7identical
14known for one product only

Key differences

The Seagate IronWolf Pro ST28000NT000 internal hard drive has 24 TB more HDD capacity than the Seagate ST4000NM0025-RF internal hard drive (28 TB vs 4 TB). The Seagate IronWolf Pro ST28000NT000 internal hard drive has 384 MB more storage drive buffer size than the Seagate ST4000NM0025-RF internal hard drive (512 MB vs 128 MB). The Seagate IronWolf Pro ST28000NT000 internal hard drive has 500,000 h more mean time between failures (MTBF) than the Seagate ST4000NM0025-RF internal hard drive (2500000 h vs 2000000 h). Interface: Serial ATA III on the Seagate IronWolf Pro ST28000NT000 internal hard drive, SAS on the Seagate ST4000NM0025-RF internal hard drive. Quantity per pack: 1 pc(s) on the Seagate IronWolf Pro ST28000NT000 internal hard drive, 20 pc(s) on the Seagate ST4000NM0025-RF internal hard drive.

HDD capacity
- IronWolf Pro ST28000NT000 internal hard drive:28 TB
- ST4000NM0025-RF internal hard drive:4 TB
Interface
- IronWolf Pro ST28000NT000 internal hard drive:Serial ATA III
- ST4000NM0025-RF internal hard drive:SAS
Storage drive buffer size
- IronWolf Pro ST28000NT000 internal hard drive:512 MB
- ST4000NM0025-RF internal hard drive:128 MB
Mean time between failures (MTBF)
- IronWolf Pro ST28000NT000 internal hard drive:2500000 h
- ST4000NM0025-RF internal hard drive:2000000 h
Power consumption (typical)
- IronWolf Pro ST28000NT000 internal hard drive:8.3 W
- ST4000NM0025-RF internal hard drive:10.5 W
Power consumption (idle)
- IronWolf Pro ST28000NT000 internal hard drive:6.8 W
- ST4000NM0025-RF internal hard drive:6.7 W
Operating temperature (T-T)
- IronWolf Pro ST28000NT000 internal hard drive:10 - 60 °C
- ST4000NM0025-RF internal hard drive:5 - 60 °C
Non-operating vibration
- IronWolf Pro ST28000NT000 internal hard drive:2.27 G
- ST4000NM0025-RF internal hard drive:5 G

Side by side

Differences highlightedShow differences only

Comparison of ST28000NT000, ST4000NM0025-RF
33 specifications	A Seagate IronWolf Pro ST28000NT000 internal hard drive Model ST28000NT000 View product	B Seagate ST4000NM0025-RF internal hard drive Model ST4000NM0025-RF View product
Features4 differ
HDD capacityDiffers	28 TB	4 TB
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
InterfaceDiffers	Serial ATA III	SAS
Type	HDD	HDD
Component forKnown for one	NAS	Unknown — not stated by the source
Storage drive buffer sizeDiffers	512 MB	128 MB
HDD interface transfer rateKnown for one	6 Gbit/s	Unknown — not stated by the source
HDD average transfer rateKnown for one	270 MB/s	Unknown — not stated by the source
24/7 operationKnown for one	Yes	Unknown — not stated by the source
Workload rate limitKnown for one	550 TB/year	Unknown — not stated by the source
Mean time between failures (MTBF)Differs	2500000 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	8.3 W	10.5 W
Power consumption (standby)Known for one	1.2 W	Unknown — not stated by the source
Power consumption (idle)Differs	6.8 W	6.7 W
Operating voltage	5 / 12 V	5 / 12 V
Start-up currentKnown for one	2 A	Unknown — not stated by the source
Operational conditions4 differ
Operating temperature (T-T)Differs	10 - 60 °C	5 - 60 °C
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Non-operating vibrationDiffers	2.27 G	5 G
Operating shockDiffers	30 G	70 G
Non-operating shockDiffers	200 G	250 G
Weight & dimensions1 differ
Width	101.8 mm	101.8 mm
Depth	147 mm	147 mm
Height	26.1 mm	26.1 mm
WeightDiffers	695 g	655 g
Packaging data1 differ
Quantity per packDiffers	1 pc(s)	20 pc(s)
Other featuresidentical
Warranty periodKnown for one	5 year(s)	Unknown — not stated by the source
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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