Product comparison · 2 internal hard drives

Seagate CS 1TB SATA 6Gb/s vs Seagate Momentus 5400.2 80GB

21specifications compared
18differ
3identical
25known for one product only

Key differences

HDD capacity
- CS 1TB SATA 6Gb/s:1 TB
- Momentus 5400.2 80GB:80 GB
HDD speed
- CS 1TB SATA 6Gb/s:7200 RPM
- Momentus 5400.2 80GB:5400 RPM
HDD size
- CS 1TB SATA 6Gb/s:3.5"
- Momentus 5400.2 80GB:2.5"
Interface
- CS 1TB SATA 6Gb/s:Serial ATA III
- Momentus 5400.2 80GB:Parallel ATA
Component for
- CS 1TB SATA 6Gb/s:NAS
- Momentus 5400.2 80GB:Laptop
Storage drive buffer size
- CS 1TB SATA 6Gb/s:64 MB
- Momentus 5400.2 80GB:8 MB
HDD number of heads
- CS 1TB SATA 6Gb/s:6
- Momentus 5400.2 80GB:3
Bytes per sector
- CS 1TB SATA 6Gb/s:4096
- Momentus 5400.2 80GB:512

Side by side

Differences highlightedShow differences only

Comparison of CS 1TB SATA 6Gb/s, Momentus 5400.2 80GB
46 specifications	A Seagate CS 1TB SATA 6Gb/s View product	B Seagate Momentus 5400.2 80GB View product
Features8 differ
HDD capacityDiffers	1 TB	80 GB
HDD speedDiffers	7200 RPM	5400 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	Serial ATA III	Parallel ATA
Component forDiffers	NAS	Laptop
Storage drive buffer sizeDiffers	64 MB	8 MB
HDD number of cylindersKnown for one	Unknown — not stated by the source	16383
HDD number of headsDiffers	6	3
Track to track seek timeKnown for one	Unknown — not stated by the source	1.5 ms
Average seek timeKnown for one	Unknown — not stated by the source	12.5 ms
Average latencyKnown for one	Unknown — not stated by the source	5.6 ms
Bytes per sectorDiffers	4096	512
Read seek timeKnown for one	9.5 ms	Unknown — not stated by the source
Write seek timeKnown for one	10.5 ms	Unknown — not stated by the source
SMART technologyKnown for one	Yes	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	800000 h	Unknown — not stated by the source
Power4 differ
Power consumption (standby)Known for one	Unknown — not stated by the source	0.26 W
Power consumption (idle)Differs	5.53 W	0.8 W
Power consumption (read)Differs	8 W	1.8 W
Power consumption (write)Differs	8 W	1.8 W
Operating voltageDiffers	5 / 12 V	5 V
Start-up currentKnown for one	Unknown — not stated by the source	1 A
Operational conditions2 differ
Operating temperature (T-T)Differs	5 - 60 °C	5 - 55 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating relative humidity (H-H)Differs	5 - 95%	5 - 90%
Storage relative humidity (H-H)	5 - 95%	5 - 95%
Operating vibrationKnown for one	Unknown — not stated by the source	1 G
Non-operating vibrationKnown for one	Unknown — not stated by the source	5 G
Operating altitudeKnown for one	Unknown — not stated by the source	-304 - 3048 m
Non-operating altitudeKnown for one	Unknown — not stated by the source	-304 - 12192 m
Operating shockKnown for one	Unknown — not stated by the source	250 G
Non-operating shockKnown for one	Unknown — not stated by the source	800 G
Weight & dimensions4 differ
WidthDiffers	101.8 mm	69.8 mm
DepthDiffers	147 mm	100.2 mm
HeightDiffers	26.1 mm	9.5 mm
WeightDiffers	400 g	100 g
Other featuresidentical
Disks included quantityKnown for one	Unknown — not stated by the source	2 pc(s)
Internal	Yes	Yes
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
Data transfer rateKnown for one	6 Gbit/s	Unknown — not stated by the source
Hot-Plug supportKnown for one	Yes	Unknown — not stated by the source
Number of products includedKnown for one	1 pc(s)	Unknown — not stated by the source
Windows operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Mac operating systems supportedKnown for one	Yes	Unknown — not stated by the source
Linux operating systems supportedKnown for one	Yes	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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