Product comparison · 2 internal hard drives

Seagate 250GB 2.5" SATA II vs Seagate Barracuda 7200.11 SATA 3Gb/s 320-GB Hard Drive 20pk

Key differences

HDD capacity
- 250GB 2.5" SATA II:250 GB
- Barracuda 7200.11 SATA 3Gb/s 320-GB Hard Drive 20pk:320 GB
Storage drive buffer size
- 250GB 2.5" SATA II:8 MB
- Barracuda 7200.11 SATA 3Gb/s 320-GB Hard Drive 20pk:16 MB
Power consumption (standby)
- 250GB 2.5" SATA II:1 W
- Barracuda 7200.11 SATA 3Gb/s 320-GB Hard Drive 20pk:8 W
Non-operating shock
- 250GB 2.5" SATA II:250 G
- Barracuda 7200.11 SATA 3Gb/s 320-GB Hard Drive 20pk:350 G
Height
- 250GB 2.5" SATA II:20.2 mm
- Barracuda 7200.11 SATA 3Gb/s 320-GB Hard Drive 20pk:20 mm
Weight
- 250GB 2.5" SATA II:382 g
- Barracuda 7200.11 SATA 3Gb/s 320-GB Hard Drive 20pk:380 g

Differences highlightedShow differences only

Comparison of 250GB 2.5" SATA II, Barracuda 7200.11 SATA 3Gb/s 320-GB Hard Drive 20pk
29 specifications	A Seagate 250GB 2.5" SATA II View product	B Seagate Barracuda 7200.11 SATA 3Gb/s 320-GB Hard Drive 20pk View product
Features2 differ
HDD capacityDiffers	250 GB	320 GB
TypeKnown for one	HDD	Unknown — not stated by the source
Storage drive buffer sizeDiffers	8 MB	16 MB
HDD interface transfer rateKnown for one	3 Gbit/s	Unknown — not stated by the source
Average latencyKnown for one	Unknown — not stated by the source	4.16 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Mean time between failures (MTBF)Known for one	Unknown — not stated by the source	750000 h
Power1 differ
Power consumption (standby)Differs	1 W	8 W
Power consumption (idle)Known for one	5.25 W	Unknown — not stated by the source
Start-up currentKnown for one	2 A	Unknown — not stated by the source
Operational conditions1 differ
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 vibrationKnown for one	0.5 G	Unknown — not stated by the source
Non-operating vibrationKnown for one	5 G	Unknown — not stated by the source
Non-operating shockDiffers	250 G	350 G
Operating temperature (T-T)Known for one	Unknown — not stated by the source	0 - 60 °C
Weight & dimensions2 differ
HeightDiffers	20.2 mm	20 mm
WeightDiffers	382 g	380 g
Other featuresidentical
InternalKnown for one	Unknown — not stated by the source	Yes
Sustained data rateKnown for one	Unknown — not stated by the source	115 MB/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.