Product comparison · 2 internal hard drives

Seagate Momentus 5400.3 vs Seagate Momentus 5400.3 Hard Drive - 40GB - 5400rpm - ATA

12specifications compared
5differ
7identical
21known for one product only

Key differences

The Seagate Momentus 5400.3 has 80 GB more HDD capacity than the Seagate Momentus 5400.3 Hard Drive - 40GB - 5400rpm - ATA (120 GB vs 40 GB). The Seagate Momentus 5400.3 Hard Drive - 40GB - 5400rpm - ATA has 0.04 ms more average latency than the Seagate Momentus 5400.3 (5.6 ms vs 5.56 ms). The Seagate Momentus 5400.3 Hard Drive - 40GB - 5400rpm - ATA has 0.2 mm more width than the Seagate Momentus 5400.3 (70 mm vs 69.8 mm).

HDD capacity
- Momentus 5400.3:120 GB
- Momentus 5400.3 Hard Drive - 40GB - 5400rpm - ATA:40 GB
Average latency
- Momentus 5400.3:5.56 ms
- Momentus 5400.3 Hard Drive - 40GB - 5400rpm - ATA:5.6 ms
Width
- Momentus 5400.3:69.8 mm
- Momentus 5400.3 Hard Drive - 40GB - 5400rpm - ATA:70 mm
Depth
- Momentus 5400.3:100.5 mm
- Momentus 5400.3 Hard Drive - 40GB - 5400rpm - ATA:100 mm
Weight
- Momentus 5400.3:102 g
- Momentus 5400.3 Hard Drive - 40GB - 5400rpm - ATA:96 g

Side by side

Differences highlightedShow differences only

Comparison of Momentus 5400.3, Momentus 5400.3 Hard Drive - 40GB - 5400rpm - ATA
33 specifications	A Seagate Momentus 5400.3 View product	B Seagate Momentus 5400.3 Hard Drive - 40GB - 5400rpm - ATA View product
Features2 differ
HDD capacityDiffers	120 GB	40 GB
HDD speed	5400 RPM	5400 RPM
InterfaceKnown for one	Ultra-ATA/100	Unknown — not stated by the source
Component for	Laptop	Laptop
Storage drive buffer sizeKnown for one	8 MB	Unknown — not stated by the source
Read seek timeKnown for one	11 ms	Unknown — not stated by the source
Write seek timeKnown for one	13 ms	Unknown — not stated by the source
Average latencyDiffers	5.56 ms	5.6 ms
Full stroke seek timeKnown for one	Unknown — not stated by the source	22 ms
Average seek timeKnown for one	Unknown — not stated by the source	13 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Poweridentical
Power consumption (standby)Known for one	0.2 W	Unknown — not stated by the source
Power consumption (off)Known for one	0.207 W	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	0 - 60 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-40 - 70 °C	Unknown — not stated by the source
Operating relative humidity (H-H)	5 - 90%	5 - 90%
Storage relative humidity (H-H)	5 - 95%	5 - 95%
Operating vibrationKnown for one	1 G	Unknown — not stated by the source
Non-operating vibrationKnown for one	5 G	Unknown — not stated by the source
Non-operating altitude	-304.8 - 12192 m	-304.8 - 12192 m
Operating altitudeKnown for one	Unknown — not stated by the source	-304.8 - 3048 m
Operating shockKnown for one	Unknown — not stated by the source	350 G
Non-operating shockKnown for one	Unknown — not stated by the source	800 G
Weight & dimensions3 differ
WidthDiffers	69.8 mm	70 mm
DepthDiffers	100.5 mm	100 mm
Height	9.5 mm	9.5 mm
WeightDiffers	102 g	96 g
Other featuresidentical
Internal	Yes	Yes
Number of pinsKnown for one	44	Unknown — not stated by the source
Drive device, transfer rateKnown for one	Unknown — not stated by the source	352 MB/s
Drive ready timeKnown for one	Unknown — not stated by the source	3 s
Maximum data transfer rateKnown for one	Unknown — not stated by the source	100 Mbit/s
Recording densityKnown for one	Unknown — not stated by the source	835 kbit/inch

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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