Product comparison · 2 internal hard drives

Seagate 2000GB 3.5" SAS vs Seagate Momentus XT 320GB

17specifications compared
16differ
1identical
12known for one product only

Key differences

HDD capacity
- 2000GB 3.5" SAS:2 TB
- Momentus XT 320GB:320 GB
HDD size
- 2000GB 3.5" SAS:3.5"
- Momentus XT 320GB:2.5"
Interface
- 2000GB 3.5" SAS:SAS
- Momentus XT 320GB:Serial ATA
Component for
- 2000GB 3.5" SAS:Server/workstation
- Momentus XT 320GB:Laptop
Storage drive buffer size
- 2000GB 3.5" SAS:16 MB
- Momentus XT 320GB:32 MB
Read seek time
- 2000GB 3.5" SAS:8.5 ms
- Momentus XT 320GB:11 ms
Write seek time
- 2000GB 3.5" SAS:9.5 ms
- Momentus XT 320GB:13 ms
Power consumption (idle)
- 2000GB 3.5" SAS:7.26 W
- Momentus XT 320GB:0.8 W

Side by side

Differences highlightedShow differences only

Comparison of 2000GB 3.5" SAS, Momentus XT 320GB
29 specifications	A Seagate 2000GB 3.5" SAS View product	B Seagate Momentus XT 320GB View product
Features7 differ
HDD capacityDiffers	2 TB	320 GB
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	SAS	Serial ATA
Component forDiffers	Server/workstation	Laptop
Storage drive buffer sizeDiffers	16 MB	32 MB
Read seek timeDiffers	8.5 ms	11 ms
Write seek timeDiffers	9.5 ms	13 ms
Average latencyKnown for one	Unknown — not stated by the source	4.17 ms
TypeKnown for one	HDD	Unknown — not stated by the source
Start/stop cyclesKnown for one	300000	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	1200000 h	Unknown — not stated by the source
Power2 differ
Power consumption (typical)Known for one	Unknown — not stated by the source	1.1 W
Power consumption (idle)Differs	7.26 W	0.8 W
Operating voltageDiffers	5 / 12 V	5 V
Start-up currentKnown for one	Unknown — not stated by the source	1 A
Power consumption (read)Known for one	10.43 W	Unknown — not stated by the source
Power consumption (write)Known for one	10.15 W	Unknown — not stated by the source
Operational conditions3 differ
Operating temperature (T-T)Differs	5 - 60 °C	0 - 60 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 70 °C
Operating shockDiffers	70 G	350 G
Non-operating shockDiffers	300 G	1000 G
Weight & dimensions4 differ
WidthDiffers	101.8 mm	70.1 mm
DepthDiffers	147 mm	100.5 mm
HeightDiffers	26.1 mm	9.7 mm
WeightDiffers	710 g	105 g
Other featuresidentical
Data transfer rateKnown for one	Unknown — not stated by the source	3 Gbit/s
Flash memoryKnown for one	Unknown — not stated by the source	4096 MB
InternalKnown for one	Unknown — not stated by the source	Yes

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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