Product comparison · 2 internal hard drives

Seagate Exos 7E8 vs Seagate Barracuda ST3000DMA08 internal hard drive

17specifications compared
9differ
8identical
12known for one product only

Key differences

HDD capacity
- Exos 7E8:8 TB
- Barracuda ST3000DMA08 internal hard drive:3 TB
Interface
- Exos 7E8:SAS
- Barracuda ST3000DMA08 internal hard drive:Serial ATA III
HDD interface transfer rate
- Exos 7E8:12 Gbit/s
- Barracuda ST3000DMA08 internal hard drive:6 Gbit/s
HDD sustained transfer rate
- Exos 7E8:249 MiB/s
- Barracuda ST3000DMA08 internal hard drive:210 MiB/s
Power consumption (typical)
- Exos 7E8:12 W
- Barracuda ST3000DMA08 internal hard drive:8 W
Power consumption (idle)
- Exos 7E8:8.5 W
- Barracuda ST3000DMA08 internal hard drive:5.4 W
Operating temperature (T-T)
- Exos 7E8:5 - 60 °C
- Barracuda ST3000DMA08 internal hard drive:0 - 60 °C
Width
- Exos 7E8:101.8 mm
- Barracuda ST3000DMA08 internal hard drive:101.6 mm

Side by side

Differences highlightedShow differences only

Comparison of Exos 7E8, ST3000DMA08
29 specifications	A Seagate Exos 7E8 View product	B Seagate Barracuda ST3000DMA08 internal hard drive Model ST3000DMA08 View product
Features4 differ
HDD capacityDiffers	8 TB	3 TB
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
InterfaceDiffers	SAS	Serial ATA III
Type	HDD	HDD
Component for	PC	PC
HDD interface transfer rateDiffers	12 Gbit/s	6 Gbit/s
HDD sustained transfer rateDiffers	249 MiB/s	210 MiB/s
Average latencyKnown for one	4.16 ms	Unknown — not stated by the source
Bytes per sector	4096	4096
Mean time between failures (MTBF)Known for one	2000000 h	Unknown — not stated by the source
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	64 MB
HDD number of headsKnown for one	Unknown — not stated by the source	6
Power2 differ
Power consumption (typical)Differs	12 W	8 W
Power consumption (idle)Differs	8.5 W	5.4 W
Operating voltage	5 / 12 V	5 / 12 V
Power consumption (standby)Known for one	Unknown — not stated by the source	0.75 W
Start-up currentKnown for one	Unknown — not stated by the source	2.5 A
Operational conditions1 differ
Operating temperature (T-T)Differs	5 - 60 °C	0 - 60 °C
Operating shockKnown for one	70 G	Unknown — not stated by the source
Non-operating shockKnown for one	250 G	Unknown — not stated by the source
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Packaging contentidentical
Storage drive adapter includedKnown for one	No	Unknown — not stated by the source
Weight & dimensions2 differ
WidthDiffers	101.8 mm	101.6 mm
Depth	147 mm	147 mm
Height	26.1 mm	26.1 mm
WeightDiffers	780 g	630 g
Packaging dataidentical
Quantity per packKnown for one	1 pc(s)	Unknown — not stated by the source
Other featuresidentical
Compliance certificatesKnown for one	Unknown — not stated by the source	RoHS

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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