Product comparison · 2 internal hard drives

Seagate Barracuda ST4000DM005 internal hard drive vs Seagate Barracuda ST8000DM005 internal hard drive

Key differences

HDD capacity
- Barracuda ST4000DM005 internal hard drive:4 TB
- Barracuda ST8000DM005 internal hard drive:8 TB
Storage drive buffer size
- Barracuda ST4000DM005 internal hard drive:64 MB
- Barracuda ST8000DM005 internal hard drive:256 MB
HDD sustained transfer rate
- Barracuda ST4000DM005 internal hard drive:180 MiB/s
- Barracuda ST8000DM005 internal hard drive:220 MiB/s
Power consumption (typical)
- Barracuda ST4000DM005 internal hard drive:5.6 W
- Barracuda ST8000DM005 internal hard drive:9 W
Power consumption (standby)
- Barracuda ST4000DM005 internal hard drive:0.5 W
- Barracuda ST8000DM005 internal hard drive:0.6 W
Power consumption (idle)
- Barracuda ST4000DM005 internal hard drive:4 W
- Barracuda ST8000DM005 internal hard drive:7.2 W
Width
- Barracuda ST4000DM005 internal hard drive:101.6 mm
- Barracuda ST8000DM005 internal hard drive:101.8 mm
Height
- Barracuda ST4000DM005 internal hard drive:20.2 mm
- Barracuda ST8000DM005 internal hard drive:26.1 mm

Differences highlightedShow differences only

Comparison of ST4000DM005, ST8000DM005
27 specifications	A Seagate Barracuda ST4000DM005 internal hard drive Model ST4000DM005 View product	B Seagate Barracuda ST8000DM005 internal hard drive Model ST8000DM005 View product
Features3 differ
HDD capacityDiffers	4 TB	8 TB
Component forKnown for one	Server/workstation	Unknown — not stated by the source
Storage drive buffer sizeDiffers	64 MB	256 MB
HDD sustained transfer rateDiffers	180 MiB/s	220 MiB/s
HDD number of headsKnown for one	6	Unknown — not stated by the source
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
HDD interface transfer rateKnown for one	Unknown — not stated by the source	6 Gbit/s
Power3 differ
Power consumption (typical)Differs	5.6 W	9 W
Power consumption (standby)Differs	0.5 W	0.6 W
Power consumption (off)Known for one	0.5 W	Unknown — not stated by the source
Power consumption (idle)Differs	4 W	7.2 W
Operational conditionsidentical
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	101.6 mm	101.8 mm
HeightDiffers	20.2 mm	26.1 mm
WeightDiffers	610 g	780 g
Logistics dataidentical
Harmonized System (HS) codeKnown for one	84717050	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.