Product comparison · 2 internal hard drives

Seagate 2.5" 320GB vs Seagate SATA 250Gb 2.5"

20specifications compared
4differ
16identical
17known for one product only

Key differences

HDD capacity
- 2.5" 320GB:320 GB
- SATA 250Gb 2.5":250 GB
Interface
- 2.5" 320GB:Serial ATA
- SATA 250Gb 2.5":Serial ATA II
Storage drive buffer size
- 2.5" 320GB:16 MB
- SATA 250Gb 2.5":8 MB
Weight
- 2.5" 320GB:99 g
- SATA 250Gb 2.5":107 g

Side by side

Differences highlightedShow differences only

Comparison of 2.5" 320GB, SATA 250Gb 2.5"
37 specifications	A Seagate 2.5" 320GB View product	B Seagate SATA 250Gb 2.5"View product
Features3 differ
HDD capacityDiffers	320 GB	250 GB
InterfaceDiffers	Serial ATA	Serial ATA II
Storage drive buffer sizeDiffers	16 MB	8 MB
Full stroke seek timeKnown for one	22 ms	Unknown — not stated by the source
Track to track seek timeKnown for one	2 ms	Unknown — not stated by the source
Component forKnown for one	Unknown — not stated by the source	Laptop
Poweridentical
Power consumption (standby)Known for one	0.2 W	Unknown — not stated by the source
Power consumption (PowerSave)Known for one	0.2 W	Unknown — not stated by the source
Power consumption (idle)Known for one	0.7 W	Unknown — not stated by the source
Power consumption (read)Known for one	2.2 W	Unknown — not stated by the source
Power consumption (write)Known for one	2.2 W	Unknown — not stated by the source
Start-up currentKnown for one	0.85 A	Unknown — not stated by the source
Operational conditionsidentical
Operating vibrationKnown for one	1.5 G	Unknown — not stated by the source
Non-operating vibrationKnown for one	5.85 G	Unknown — not stated by the source
Operating shockKnown for one	Unknown — not stated by the source	325 G
Non-operating shockKnown for one	Unknown — not stated by the source	750 G
Weight & dimensions1 differ
WeightDiffers	99 g	107 g
Other featuresidentical
Storage capacityKnown for one	320 MB	Unknown — not stated by the source
Maximum data transfer rateKnown for one	145 Mbit/s	Unknown — not stated by the source
Product colourKnown for one	Unknown — not stated by the source	Black
MountingKnown for one	Unknown — not stated by the source	Horizontal

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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