Product comparison · 2 internal hard drives

Seagate 320GB 3.5" SATA II vs Seagate 750GB 3.5" Ultra ATA/100

31specifications compared
5differ
26identical
1known for one product only

Key differences

HDD capacity
- 320GB 3.5" SATA II:320 GB
- 750GB 3.5" Ultra ATA/100:750 GB
Interface
- 320GB 3.5" SATA II:Serial ATA II
- 750GB 3.5" Ultra ATA/100:Ultra-ATA/100
HDD number of heads
- 320GB 3.5" SATA II:4
- 750GB 3.5" Ultra ATA/100:8
Non-operating shock
- 320GB 3.5" SATA II:350 G
- 750GB 3.5" Ultra ATA/100:300 G
Weight
- 320GB 3.5" SATA II:580 g
- 750GB 3.5" Ultra ATA/100:720 g

Side by side

Differences highlightedShow differences only

Comparison of 320GB 3.5" SATA II, 750GB 3.5" Ultra ATA/100
32 specifications	A Seagate 320GB 3.5" SATA II View product	B Seagate 750GB 3.5" Ultra ATA/100 View product
Features3 differ
HDD capacityDiffers	320 GB	750 GB
InterfaceDiffers	Serial ATA II	Ultra-ATA/100
HDD number of headsDiffers	4	8
Track to track seek timeKnown for one	8.5 ms	Unknown — not stated by the source
Operational conditions1 differ
Non-operating shockDiffers	350 G	300 G
Weight & dimensions1 differ
WeightDiffers	580 g	720 g

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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