Product comparison · 2 internal hard drives

Seagate 300GB 3.5 vs Seagate 500GB 2.5

Key differences

Differences highlightedShow differences only

Comparison of 300GB 3.5, 500GB 2.5
28 specifications	A Seagate 300GB 3.5 View product	B Seagate 500GB 2.5 View product
Features9 differ
HDD capacityDiffers	300 GB	500 GB
HDD speedDiffers	15000 RPM	7200 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	SAS	Serial ATA II
Component forKnown for one	Server/workstation	Unknown — not stated by the source
Storage drive buffer sizeDiffers	16 MB	32 MB
HDD number of headsKnown for one	4	Unknown — not stated by the source
Read seek timeDiffers	3.4 ms	8.5 ms
Write seek timeDiffers	3.9 ms	9.5 ms
Average latencyDiffers	2 ms	4.16 ms
Mean time between failures (MTBF)Differs	1600000 h	1200000 h
HDD interface transfer rateKnown for one	Unknown — not stated by the source	3 Gbit/s
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Power3 differ
Power consumption (typical)Differs	12.92 W	3.5 W
Power consumption (idle)Differs	8.74 W	2.6 W
Operating voltageDiffers	5 / 12 V	5 V
Operational conditions2 differ
Operating vibrationDiffers	1 G	0.5 G
Non-operating vibrationDiffers	3 G	2.4 G
Operating shockKnown for one	60 G	Unknown — not stated by the source
Non-operating shockKnown for one	300 G	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	101.6 mm	70 mm
DepthDiffers	146.5 mm	100.5 mm
HeightDiffers	25.4 mm	14.8 mm
WeightDiffers	671 g	196 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.