Product comparison · 2 internal hard drives

Acer SATA II HDD 640GB 7.2K vs Seagate Momentus ST9160312AS internal hard drive

4specifications compared
2differ
2identical
10known for one product only

Key differences

HDD capacity
- SATA II HDD 640GB 7.2K:640 GB
- Momentus ST9160312AS internal hard drive:160 GB
HDD speed
- SATA II HDD 640GB 7.2K:7200 RPM
- Momentus ST9160312AS internal hard drive:5400 RPM

Side by side

Differences highlightedShow differences only

Comparison of SATA II HDD 640GB 7.2K, ST9160312AS
14 specifications	A Acer SATA II HDD 640GB 7.2K View product	B Seagate Momentus ST9160312AS internal hard drive Model ST9160312AS View product
Features2 differ
HDD capacityDiffers	640 GB	160 GB
HDD speedDiffers	7200 RPM	5400 RPM
Component forKnown for one	Unknown — not stated by the source	Laptop
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	8 MB
Read seek timeKnown for one	Unknown — not stated by the source	11 ms
Average latencyKnown for one	Unknown — not stated by the source	5.6 ms
HDD sizeKnown for one	3.5"	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	69.8 mm
HeightKnown for one	Unknown — not stated by the source	9.5 mm
WeightKnown for one	Unknown — not stated by the source	93 g
Other featuresidentical
Compatible productsKnown for one	G330, G540, R720, R5250	Unknown — not stated by the source
Poweridentical
Operating voltageKnown for one	5 / 12 V	Unknown — not stated by the source

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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