Product comparison · 2 internal hard drives

Seagate Barracuda 20TB vs Seagate Exos M

16specifications compared
5differ
11identical
15known for one product only

Key differences

HDD capacity
- Barracuda 20TB:20 TB
- Exos M:28 TB
Component for
- Barracuda 20TB:PC
- Exos M:Server/workstation
HDD interface transfer rate
- Barracuda 20TB:6 Gbit/s
- Exos M:12 Gbit/s
HDD sustained transfer rate
- Barracuda 20TB:190 MiB/s
- Exos M:257 MiB/s
Power consumption (idle)
- Barracuda 20TB:6.7 W
- Exos M:6.9 W

Side by side

Differences highlightedShow differences only

Comparison of Barracuda 20TB, Exos M
31 specifications	A Seagate Barracuda 20TB View product	B Seagate Exos M View product
Features4 differ
HDD capacityDiffers	20 TB	28 TB
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
Interface	Serial ATA	Serial ATA
Type	HDD	HDD
Component forDiffers	PC	Server/workstation
Hot-swapKnown for one	Unknown — not stated by the source	Yes
Storage drive buffer size	512 MB	512 MB
HDD interface transfer rateDiffers	6 Gbit/s	12 Gbit/s
HDD sustained transfer rateDiffers	190 MiB/s	257 MiB/s
HDD average transfer rateKnown for one	Unknown — not stated by the source	270 MB/s
Average latencyKnown for one	Unknown — not stated by the source	4.16 ms
Uncorrectable Bit Error Rate (UBER)Known for one	Unknown — not stated by the source	< 1 per 10^15 bits read
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	2500000 h
Power1 differ
Power consumption (idle)Differs	6.7 W	6.9 W
Operating voltage	5 / 12 V	5 / 12 V
Power consumption (typical)Known for one	8.9 W	Unknown — not stated by the source
Start-up currentKnown for one	2 A	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)	10 - 60 °C	10 - 60 °C
Non-operating vibrationKnown for one	Unknown — not stated by the source	2.27 G
Operating shockKnown for one	Unknown — not stated by the source	30 G
Non-operating shockKnown for one	Unknown — not stated by the source	200 G
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Weight & dimensionsidentical
Width	101.8 mm	101.8 mm
Depth	147 mm	147 mm
Height	26.1 mm	26.1 mm
Weight	695 g	695 g
Other featuresidentical
Warranty periodKnown for one	Unknown — not stated by the source	5 year(s)
Compliance certificatesKnown for one	RoHS	Unknown — not stated by the source
Packaging contentidentical
Storage drive adapter includedKnown for one	No	Unknown — not stated by the source
Packaging dataidentical
Quantity per packKnown for one	1 pc(s)	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.

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