Product comparison · 2 internal hard drives

Acer 120GB 2.5” 5400rpm hard drive vs HP 250GB, ATA-150, 7200 rpm

6specifications compared
4differ
2identical
6known for one product only

Key differences

The HP 250GB, ATA-150, 7200 rpm has 130 GB more HDD capacity than the Acer 120GB 2.5” 5400rpm hard drive (250 GB vs 120 GB). The HP 250GB, ATA-150, 7200 rpm has 1,800 RPM more HDD speed than the Acer 120GB 2.5” 5400rpm hard drive (7200 RPM vs 5400 RPM). The HP 250GB, ATA-150, 7200 rpm has 1" more HDD size than the Acer 120GB 2.5” 5400rpm hard drive (3.5" vs 2.5"). Operating voltage: 5 V on the Acer 120GB 2.5” 5400rpm hard drive, 5 / 12 V on the HP 250GB, ATA-150, 7200 rpm.

HDD capacity
- 120GB 2.5” 5400rpm hard drive:120 GB
- 250GB, ATA-150, 7200 rpm:250 GB
HDD speed
- 120GB 2.5” 5400rpm hard drive:5400 RPM
- 250GB, ATA-150, 7200 rpm:7200 RPM
HDD size
- 120GB 2.5” 5400rpm hard drive:2.5"
- 250GB, ATA-150, 7200 rpm:3.5"
Operating voltage
- 120GB 2.5” 5400rpm hard drive:5 V
- 250GB, ATA-150, 7200 rpm:5 / 12 V

Side by side

Differences highlightedShow differences only

Comparison of 120GB 2.5” 5400rpm hard drive, 250GB, ATA-150, 7200 rpm
12 specifications	A Acer 120GB 2.5” 5400rpm hard drive View product	B HP 250GB, ATA-150, 7200 rpm View product
Features3 differ
HDD capacityDiffers	120 GB	250 GB
HDD speedDiffers	5400 RPM	7200 RPM
HDD sizeDiffers	2.5"	3.5"
Interface	Serial ATA	Serial ATA
Storage drive buffer sizeKnown for one	8 MB	Unknown — not stated by the source
TypeKnown for one	Unknown — not stated by the source	HDD
Power1 differ
Operating voltageDiffers	5 V	5 / 12 V
Weight & dimensionsidentical
WeightKnown for one	100 g	Unknown — not stated by the source
Other featuresidentical
Dimensions (WxDxH)Known for one	70 x 100 x 9.5 mm	Unknown — not stated by the source
Internal	Yes	Yes
Interface typeKnown for one	Unknown — not stated by the source	Serial ATA/150
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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