Product comparison · 2 internal hard drives

Seagate ST1800MM0008-RF internal hard drive vs Seagate SkyHawk AI ST20000VE004 internal hard drive

15specifications compared
13differ
2identical
17known for one product only

Key differences

The Seagate SkyHawk AI ST20000VE004 internal hard drive has 18.2 TB more HDD capacity than the Seagate ST1800MM0008-RF internal hard drive (20 TB vs 1.8 TB). The Seagate ST1800MM0008-RF internal hard drive has 2,800 RPM more HDD speed than the Seagate SkyHawk AI ST20000VE004 internal hard drive (10000 RPM vs 7200 RPM). The Seagate SkyHawk AI ST20000VE004 internal hard drive has 1" more HDD size than the Seagate ST1800MM0008-RF internal hard drive (3.5" vs 2.5"). Interface: SAS on the Seagate ST1800MM0008-RF internal hard drive, Serial ATA III on the Seagate SkyHawk AI ST20000VE004 internal hard drive. Operating voltage: 5 V on the Seagate ST1800MM0008-RF internal hard drive, 5 / 12 V on the Seagate SkyHawk AI ST20000VE004 internal hard drive.

HDD capacity
- ST1800MM0008-RF internal hard drive:1.8 TB
- SkyHawk AI ST20000VE004 internal hard drive:20 TB
HDD speed
- ST1800MM0008-RF internal hard drive:10000 RPM
- SkyHawk AI ST20000VE004 internal hard drive:7200 RPM
HDD size
- ST1800MM0008-RF internal hard drive:2.5"
- SkyHawk AI ST20000VE004 internal hard drive:3.5"
Interface
- ST1800MM0008-RF internal hard drive:SAS
- SkyHawk AI ST20000VE004 internal hard drive:Serial ATA III
Storage drive buffer size
- ST1800MM0008-RF internal hard drive:128 MB
- SkyHawk AI ST20000VE004 internal hard drive:512 MB
Power consumption (typical)
- ST1800MM0008-RF internal hard drive:7.8 W
- SkyHawk AI ST20000VE004 internal hard drive:8.2 W
Power consumption (idle)
- ST1800MM0008-RF internal hard drive:4.55 W
- SkyHawk AI ST20000VE004 internal hard drive:6.7 W
Operating voltage
- ST1800MM0008-RF internal hard drive:5 V
- SkyHawk AI ST20000VE004 internal hard drive:5 / 12 V

Side by side

Differences highlightedShow differences only

Comparison of ST1800MM0008-RF, ST20000VE004
32 specifications	A Seagate ST1800MM0008-RF internal hard drive Model ST1800MM0008-RF View product	B Seagate SkyHawk AI ST20000VE004 internal hard drive Model ST20000VE004 View product
Features5 differ
HDD capacityDiffers	1.8 TB	20 TB
HDD speedDiffers	10000 RPM	7200 RPM
HDD sizeDiffers	2.5"	3.5"
InterfaceDiffers	SAS	Serial ATA III
Storage drive buffer sizeDiffers	128 MB	512 MB
HDD interface transfer rateKnown for one	12 Gbit/s	Unknown — not stated by the source
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	Surveillance system
HDD sustained transfer rateKnown for one	Unknown — not stated by the source	229 MiB/s
HDD average transfer rateKnown for one	Unknown — not stated by the source	240 MB/s
Number of AI channelsKnown for one	Unknown — not stated by the source	32
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	2500000 h
Power3 differ
Power consumption (typical)Differs	7.8 W	8.2 W
Power consumption (idle)Differs	4.55 W	6.7 W
Operating voltageDiffers	5 V	5 / 12 V
Power consumption (standby)Known for one	Unknown — not stated by the source	1.2 W
Start-up currentKnown for one	Unknown — not stated by the source	2 A
Operational conditions1 differ
Operating temperature (T-T)Differs	5 - 55 °C	0 - 65 °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	147 mm
HeightDiffers	15 mm	26.1 mm
WeightDiffers	199 g	695 g

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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