Product comparison · 2 internal hard drives

Seagate 80GB Momentus 5400 vs Seagate Momentus 5400.3 Hard Drive - 40GB - 5400rpm - ATA

6specifications compared
1differ
5identical
27known for one product only

Key differences

The Seagate 80GB Momentus 5400 has 40 GB more HDD capacity than the Seagate Momentus 5400.3 Hard Drive - 40GB - 5400rpm - ATA (80 GB vs 40 GB).

HDD capacity
- 80GB Momentus 5400:80 GB
- Momentus 5400.3 Hard Drive - 40GB - 5400rpm - ATA:40 GB

Side by side

Differences highlightedShow differences only

Comparison of 80GB Momentus 5400, Momentus 5400.3 Hard Drive - 40GB - 5400rpm - ATA
33 specifications	A Seagate 80GB Momentus 5400 View product	B Seagate Momentus 5400.3 Hard Drive - 40GB - 5400rpm - ATA View product
Features1 differ
HDD capacityDiffers	80 GB	40 GB
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
HDD sizeKnown for one	2.5"	Unknown — not stated by the source
InterfaceKnown for one	Serial ATA	Unknown — not stated by the source
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
Operational conditionsidentical
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 90%
Storage relative humidity (H-H)Known for one	Unknown — not stated by the source	5 - 95%
Operating altitudeKnown for one	Unknown — not stated by the source	-304.8 - 3048 m
Non-operating altitudeKnown for one	Unknown — not stated by the source	-304.8 - 12192 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 & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	70 mm
DepthKnown for one	Unknown — not stated by the source	100 mm
HeightKnown for one	Unknown — not stated by the source	9.5 mm
Other featuresidentical
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
Power requirementsKnown for one	5	Unknown — not stated by the source
Dimensions (WxDxH)Known for one	69.85 x 69.85 x 9.5 mm	Unknown — not stated by the source
Dimensions (W x D x H) (imperial)Known for one	69.8 x 9.5 x 100.5 mm (2.75 x 0.374 x 3.96")	Unknown — not stated by the source
Weight (imperial)Known for one	0.0953 kg (0.21 lbs)	Unknown — not stated by the source
Poweridentical
Operating voltageKnown for one	5 V	Unknown — not stated by the source
Start-up currentKnown for one	1 A	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.

More internal hard drive comparisons

All internal hard drive comparisons