Product comparison · 2 internal hard drives

Seagate 600GB SAS 12Gb/s vs Seagate Momentus XT

Key differences

HDD capacity
- 600GB SAS 12Gb/s:600 GB
- Momentus XT:1 TB
HDD speed
- 600GB SAS 12Gb/s:15000 RPM
- Momentus XT:7200 RPM
Interface
- 600GB SAS 12Gb/s:SAS
- Momentus XT:Serial ATA III
Component for
- 600GB SAS 12Gb/s:Server/workstation
- Momentus XT:Laptop
HDD number of heads
- 600GB SAS 12Gb/s:6
- Momentus XT:4
Power consumption (typical)
- 600GB SAS 12Gb/s:8.7 W
- Momentus XT:2.7 W
Power consumption (idle)
- 600GB SAS 12Gb/s:5.3 W
- Momentus XT:0.9 W
Operating temperature (T-T)
- 600GB SAS 12Gb/s:5 - 55 °C
- Momentus XT:0 - 60 °C

Differences highlightedShow differences only

Comparison of 600GB SAS 12Gb/s, Momentus XT
27 specifications	A Seagate 600GB SAS 12Gb/s View product	B Seagate Momentus XT View product
Features5 differ
HDD capacityDiffers	600 GB	1 TB
HDD speedDiffers	15000 RPM	7200 RPM
InterfaceDiffers	SAS	Serial ATA III
Component forDiffers	Server/workstation	Laptop
Storage drive buffer sizeKnown for one	128 MB	Unknown — not stated by the source
Hybrid-HDD cache memoryKnown for one	32 GB	Unknown — not stated by the source
HDD interface transfer rateKnown for one	12 Gbit/s	Unknown — not stated by the source
HDD sustained transfer rateKnown for one	233 MiB/s	Unknown — not stated by the source
HDD number of headsDiffers	6	4
Average latencyKnown for one	2 ms	Unknown — not stated by the source
HDD number of cylindersKnown for one	Unknown — not stated by the source	2
Bytes per sectorKnown for one	Unknown — not stated by the source	4096
Start/stop cyclesKnown for one	Unknown — not stated by the source	600000
Power2 differ
Power consumption (typical)Differs	8.7 W	2.7 W
Power consumption (idle)Differs	5.3 W	0.9 W
Operational conditions1 differ
Operating temperature (T-T)Differs	5 - 55 °C	0 - 60 °C
Operating shockKnown for one	Unknown — not stated by the source	350 G
Non-operating shockKnown for one	Unknown — not stated by the source	1000 G
Weight & dimensions4 differ
WidthDiffers	70.1 mm	69.8 mm
DepthDiffers	100.5 mm	100.3 mm
HeightDiffers	15 mm	9.5 mm
WeightDiffers	230 g	115 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.