Product comparison · 2 internal hard drives

Seagate ST1800MM0008-RF internal hard drive vs Seagate SkyHawk ST4000VX005 internal hard drive

13specifications compared
12differ
1identical
18known for one product only

Key differences

The Seagate SkyHawk ST4000VX005 internal hard drive has 2.2 TB more HDD capacity than the Seagate ST1800MM0008-RF internal hard drive (4 TB vs 1.8 TB). The Seagate SkyHawk ST4000VX005 internal hard drive has 1" more HDD size than the Seagate ST1800MM0008-RF internal hard drive (3.5" vs 2.5"). The Seagate SkyHawk ST4000VX005 internal hard drive has 128 MB more storage drive buffer size than the Seagate ST1800MM0008-RF internal hard drive (256 MB vs 128 MB). Interface: SAS on the Seagate ST1800MM0008-RF internal hard drive, Serial ATA III on the Seagate SkyHawk ST4000VX005 internal hard drive. Operating temperature (T-T): 5 - 55 °C on the Seagate ST1800MM0008-RF internal hard drive, 0 - 70 °C on the Seagate SkyHawk ST4000VX005 internal hard drive.

HDD capacity
- ST1800MM0008-RF internal hard drive:1.8 TB
- SkyHawk ST4000VX005 internal hard drive:4 TB
HDD size
- ST1800MM0008-RF internal hard drive:2.5"
- SkyHawk ST4000VX005 internal hard drive:3.5"
Interface
- ST1800MM0008-RF internal hard drive:SAS
- SkyHawk ST4000VX005 internal hard drive:Serial ATA III
Storage drive buffer size
- ST1800MM0008-RF internal hard drive:128 MB
- SkyHawk ST4000VX005 internal hard drive:256 MB
HDD interface transfer rate
- ST1800MM0008-RF internal hard drive:12 Gbit/s
- SkyHawk ST4000VX005 internal hard drive:6 Gbit/s
Power consumption (typical)
- ST1800MM0008-RF internal hard drive:7.8 W
- SkyHawk ST4000VX005 internal hard drive:3.7 W
Power consumption (idle)
- ST1800MM0008-RF internal hard drive:4.55 W
- SkyHawk ST4000VX005 internal hard drive:2.5 W
Operating temperature (T-T)
- ST1800MM0008-RF internal hard drive:5 - 55 °C
- SkyHawk ST4000VX005 internal hard drive:0 - 70 °C

Side by side

Differences highlightedShow differences only

Comparison of ST1800MM0008-RF, ST4000VX005
31 specifications	A Seagate ST1800MM0008-RF internal hard drive Model ST1800MM0008-RF View product	B Seagate SkyHawk ST4000VX005 internal hard drive Model ST4000VX005 View product
Features5 differ
HDD capacityDiffers	1.8 TB	4 TB
HDD speedKnown for one	10000 RPM	Unknown — not stated by the source
HDD sizeDiffers	2.5"	3.5"
InterfaceDiffers	SAS	Serial ATA III
Storage drive buffer sizeDiffers	128 MB	256 MB
HDD interface transfer rateDiffers	12 Gbit/s	6 Gbit/s
HDD number of headsKnown for one	8	Unknown — not stated by the source
Average latencyKnown for one	2.9 ms	Unknown — not stated by the source
RefurbishedKnown for one	Yes	Unknown — not stated by the source
Component forKnown for one	Unknown — not stated by the source	Digital video recorder (DVR)
Uncorrectable Bit Error Rate (UBER)Known for one	Unknown — not stated by the source	< 1 per 10^14 bits read
24/7 operationKnown for one	Unknown — not stated by the source	Yes
Start/stop cyclesKnown for one	Unknown — not stated by the source	600000
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	1000000 h
Power2 differ
Power consumption (typical)Differs	7.8 W	3.7 W
Power consumption (idle)Differs	4.55 W	2.5 W
Operating voltageKnown for one	5 V	Unknown — not stated by the source
Power consumption (standby)Known for one	Unknown — not stated by the source	0.25 W
Start-up currentKnown for one	Unknown — not stated by the source	1.8 A
Operational conditions1 differ
Operating temperature (T-T)Differs	5 - 55 °C	0 - 70 °C
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Operating vibrationKnown for one	0.5 G	Unknown — not stated by the source
Non-operating vibrationKnown for one	3 G	Unknown — not stated by the source
Operating shockKnown for one	40 G	Unknown — not stated by the source
Non-operating shockKnown for one	400 G	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	70.1 mm	101.8 mm
DepthDiffers	100.5 mm	20.2 mm
HeightDiffers	15 mm	147 mm
WeightDiffers	199 g	490 g
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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