Product comparison · 2 internal hard drives

Acer 160GB 2.5" 5400rpm hard drive vs Samsung SpinPoint T HD402LJ, 400 GB

9specifications compared
6differ
3identical
7known for one product only

Key differences

The Samsung SpinPoint T HD402LJ, 400 GB has 240 GB more HDD capacity than the Acer 160GB 2.5" 5400rpm hard drive (400 GB vs 160 GB). The Samsung SpinPoint T HD402LJ, 400 GB has 1,800 RPM more HDD speed than the Acer 160GB 2.5" 5400rpm hard drive (7200 RPM vs 5400 RPM). The Samsung SpinPoint T HD402LJ, 400 GB has 1" more HDD size than the Acer 160GB 2.5" 5400rpm hard drive (3.5" vs 2.5"). Operating voltage: 5 V on the Acer 160GB 2.5" 5400rpm hard drive, 5 / 12 V on the Samsung SpinPoint T HD402LJ, 400 GB.

HDD capacity
- 160GB 2.5" 5400rpm hard drive:160 GB
- SpinPoint T HD402LJ, 400 GB:400 GB
HDD speed
- 160GB 2.5" 5400rpm hard drive:5400 RPM
- SpinPoint T HD402LJ, 400 GB:7200 RPM
HDD size
- 160GB 2.5" 5400rpm hard drive:2.5"
- SpinPoint T HD402LJ, 400 GB:3.5"
Write seek time
- 160GB 2.5" 5400rpm hard drive:13 ms
- SpinPoint T HD402LJ, 400 GB:8.9 ms
Operating voltage
- 160GB 2.5" 5400rpm hard drive:5 V
- SpinPoint T HD402LJ, 400 GB:5 / 12 V
Weight
- 160GB 2.5" 5400rpm hard drive:100 g
- SpinPoint T HD402LJ, 400 GB:640 g

Side by side

Differences highlightedShow differences only

Comparison of 160GB 2.5" 5400rpm hard drive, SpinPoint T HD402LJ, 400 GB
16 specifications	A Acer 160GB 2.5" 5400rpm hard drive View product	B Samsung SpinPoint T HD402LJ, 400 GB View product
Features4 differ
HDD capacityDiffers	160 GB	400 GB
HDD speedDiffers	5400 RPM	7200 RPM
HDD sizeDiffers	2.5"	3.5"
Interface	Serial ATA	Serial ATA
Storage drive buffer size	8 MB	8 MB
Write seek timeDiffers	13 ms	8.9 ms
Bytes per sectorKnown for one	Unknown — not stated by the source	512
Read seek timeKnown for one	11 ms	Unknown — not stated by the source
Power1 differ
Operating voltageDiffers	5 V	5 / 12 V
Weight & dimensions1 differ
WidthKnown for one	Unknown — not stated by the source	25.4 mm
DepthKnown for one	Unknown — not stated by the source	101.6 mm
HeightKnown for one	Unknown — not stated by the source	146.1 mm
WeightDiffers	100 g	640 g
Other featuresidentical
Data transfer rateKnown for one	Unknown — not stated by the source	3 Gbit/s
Internal	Yes	Yes
Dimensions (WxDxH)Known for one	70 x 100 x 9.5 mm	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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