Product comparison · 2 internal hard drives

Seagate 320GB Momentus 5400.5 HDD vs Seagate Momentus 500GB

Key differences

Differences highlightedShow differences only

Comparison of 320GB Momentus 5400.5 HDD, Momentus 500GB
26 specifications	A Seagate 320GB Momentus 5400.5 HDD View product	B Seagate Momentus 500GB View product
Features1 differ
HDD capacityDiffers	320 GB	500 GB
HDD number of headsKnown for one	4	Unknown — not stated by the source
Bytes per sectorKnown for one	512	Unknown — not stated by the source
Start/stop cyclesKnown for one	600000	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	500000 h	Unknown — not stated by the source
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
Poweridentical
Start-up currentKnown for one	1 A	Unknown — not stated by the source
Operating voltageKnown for one	Unknown — not stated by the source	5 V
Operational conditionsidentical
Operating shockKnown for one	350 G	Unknown — not stated by the source
Non-operating shockKnown for one	1000 G	Unknown — not stated by the source
Weight & dimensions2 differ
DepthDiffers	100.5 mm	100.3 mm
WeightDiffers	98.5 g	98.8 g
Other featuresidentical
Data transfer rateKnown for one	3 Gbit/s	Unknown — not stated by the source
Disks included quantityKnown for one	2 pc(s)	Unknown — not stated by the source
HDD transfer rateKnown for one	Unknown — not stated by the source	300 Mbit/s

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.