Product comparison · 2 internal hard drives

Seagate 320GB 3.5 vs Seagate 500GB 3.5

20specifications compared
7differ
13identical
14known for one product only

Key differences

HDD capacity
- 320GB 3.5:320 GB
- 500GB 3.5:500 GB
Average latency
- 320GB 3.5:4.16 ms
- 500GB 3.5:4.17 ms
Power consumption (idle)
- 320GB 3.5:9.3 W
- 500GB 3.5:5 W
Start-up current
- 320GB 3.5:2.8 A
- 500GB 3.5:2 A
Operating shock
- 320GB 3.5:68 G
- 500GB 3.5:70 G
Height
- 320GB 3.5:26.1 mm
- 500GB 3.5:20 mm
Weight
- 320GB 3.5:580 g
- 500GB 3.5:540 g

Side by side

Differences highlightedShow differences only

Comparison of 320GB 3.5, 500GB 3.5
34 specifications	A Seagate 320GB 3.5 View product	B Seagate 500GB 3.5 View product
Features2 differ
HDD capacityDiffers	320 GB	500 GB
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
Interface	Serial ATA II	Serial ATA II
Type	HDD	HDD
Storage drive buffer size	16 MB	16 MB
HDD number of headsKnown for one	4	Unknown — not stated by the source
Track to track seek timeKnown for one	8.5 ms	Unknown — not stated by the source
Average latencyDiffers	4.16 ms	4.17 ms
Bytes per sector	512	512
Start/stop cycles	50000	50000
Mean time between failures (MTBF)Known for one	700000 h	Unknown — not stated by the source
Power2 differ
Power consumption (idle)Differs	9.3 W	5 W
Power consumption (read)Known for one	13 W	Unknown — not stated by the source
Power consumption (write)Known for one	13 W	Unknown — not stated by the source
Operating voltage	5 / 12 V	5 / 12 V
Start-up currentDiffers	2.8 A	2 A
Power consumption (typical)Known for one	Unknown — not stated by the source	8 W
Operational conditions1 differ
Operating temperature (T-T)	0 - 60 °C	0 - 60 °C
Storage temperature (T-T)	-40 - 70 °C	-40 - 70 °C
Operating relative humidity (H-H)Known for one	5 - 90%	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	5 - 95%	Unknown — not stated by the source
Operating altitudeKnown for one	-60.96 - 3048 m	Unknown — not stated by the source
Non-operating altitudeKnown for one	-60.96 - 12192 m	Unknown — not stated by the source
Operating shockDiffers	68 G	70 G
Non-operating shock	350 G	350 G
Weight & dimensions2 differ
Width	101.6 mm	101.6 mm
Depth	147 mm	147 mm
HeightDiffers	26.1 mm	20 mm
WeightDiffers	580 g	540 g
Other featuresidentical
Windows 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
Acoustic pressure emissionsKnown for one	2.7 dB	Unknown — not stated by the source
Logistics dataidentical
Harmonized System (HS) codeKnown for one	Unknown — not stated by the source	84717050

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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