Product comparison · 2 internal hard drives

Seagate Exos M vs Seagate ST4000NM0025-RF internal hard drive

19specifications compared
11differ
8identical
11known for one product only

Key differences

The Seagate Exos M has 24 TB more HDD capacity than the Seagate ST4000NM0025-RF internal hard drive (28 TB vs 4 TB). The Seagate Exos M has 384 MB more storage drive buffer size than the Seagate ST4000NM0025-RF internal hard drive (512 MB vs 128 MB). The Seagate Exos M has 42 MiB/s more HDD sustained transfer rate than the Seagate ST4000NM0025-RF internal hard drive (257 MiB/s vs 215 MiB/s). Interface: Serial ATA on the Seagate Exos M, SAS on the Seagate ST4000NM0025-RF internal hard drive.

HDD capacity
- Exos M:28 TB
- ST4000NM0025-RF internal hard drive:4 TB
Interface
- Exos M:Serial ATA
- ST4000NM0025-RF internal hard drive:SAS
Storage drive buffer size
- Exos M:512 MB
- ST4000NM0025-RF internal hard drive:128 MB
HDD sustained transfer rate
- Exos M:257 MiB/s
- ST4000NM0025-RF internal hard drive:215 MiB/s
Mean time between failures (MTBF)
- Exos M:2500000 h
- ST4000NM0025-RF internal hard drive:2000000 h
Power consumption (idle)
- Exos M:6.9 W
- ST4000NM0025-RF internal hard drive:6.7 W
Operating temperature (T-T)
- Exos M:10 - 60 °C
- ST4000NM0025-RF internal hard drive:5 - 60 °C
Non-operating vibration
- Exos M:2.27 G
- ST4000NM0025-RF internal hard drive:5 G

Side by side

Differences highlightedShow differences only

Comparison of Exos M, ST4000NM0025-RF
30 specifications	A Seagate Exos M View product	B Seagate ST4000NM0025-RF internal hard drive Model ST4000NM0025-RF View product
Features5 differ
HDD capacityDiffers	28 TB	4 TB
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
InterfaceDiffers	Serial ATA	SAS
Type	HDD	HDD
Component forKnown for one	Server/workstation	Unknown — not stated by the source
Hot-swapKnown for one	Yes	Unknown — not stated by the source
Storage drive buffer sizeDiffers	512 MB	128 MB
HDD interface transfer rateKnown for one	12 Gbit/s	Unknown — not stated by the source
HDD sustained transfer rateDiffers	257 MiB/s	215 MiB/s
HDD average transfer rateKnown for one	270 MB/s	Unknown — not stated by the source
Average latency	4.16 ms	4.16 ms
Uncorrectable Bit Error Rate (UBER)Known for one	< 1 per 10^15 bits read	Unknown — not stated by the source
Mean time between failures (MTBF)Differs	2500000 h	2000000 h
Bytes per sectorKnown for one	Unknown — not stated by the source	512
RefurbishedKnown for one	Unknown — not stated by the source	Yes
Power1 differ
Power consumption (idle)Differs	6.9 W	6.7 W
Operating voltage	5 / 12 V	5 / 12 V
Power consumption (typical)Known for one	Unknown — not stated by the source	10.5 W
Operational conditions4 differ
Operating temperature (T-T)Differs	10 - 60 °C	5 - 60 °C
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
Other featuresidentical
Warranty periodKnown for one	5 year(s)	Unknown — not stated by the source
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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