Product comparison · 2 internal hard drives

Buffalo OP-HD500 internal hard drive vs Lenovo ThinkPad 320GB 7200 rpm Serial ATA Hard Drive

9specifications compared
6differ
3identical
8known for one product only

Key differences

The Buffalo OP-HD500 internal hard drive has 180 GB more HDD capacity than the Lenovo ThinkPad 320GB 7200 rpm Serial ATA Hard Drive (500 GB vs 320 GB). The Buffalo OP-HD500 internal hard drive has 1" more HDD size than the Lenovo ThinkPad 320GB 7200 rpm Serial ATA Hard Drive (3.5" vs 2.5"). The Buffalo OP-HD500 internal hard drive has 34.2 mm more width than the Lenovo ThinkPad 320GB 7200 rpm Serial ATA Hard Drive (104 mm vs 69.8 mm). Operating voltage: 5 / 12 V on the Buffalo OP-HD500 internal hard drive, 5 V on the Lenovo ThinkPad 320GB 7200 rpm Serial ATA Hard Drive.

HDD capacity
- OP-HD500 internal hard drive:500 GB
- ThinkPad 320GB 7200 rpm Serial ATA Hard Drive:320 GB
HDD size
- OP-HD500 internal hard drive:3.5"
- ThinkPad 320GB 7200 rpm Serial ATA Hard Drive:2.5"
Operating voltage
- OP-HD500 internal hard drive:5 / 12 V
- ThinkPad 320GB 7200 rpm Serial ATA Hard Drive:5 V
Width
- OP-HD500 internal hard drive:104 mm
- ThinkPad 320GB 7200 rpm Serial ATA Hard Drive:69.8 mm
Depth
- OP-HD500 internal hard drive:30 mm
- ThinkPad 320GB 7200 rpm Serial ATA Hard Drive:100.2 mm
Height
- OP-HD500 internal hard drive:170 mm
- ThinkPad 320GB 7200 rpm Serial ATA Hard Drive:9.5 mm

Side by side

Differences highlightedShow differences only

Comparison of OP-HD500, ThinkPad 320GB 7200 rpm Serial ATA Hard Drive
17 specifications	A Buffalo OP-HD500 internal hard drive Model OP-HD500 View product	B Lenovo ThinkPad 320GB 7200 rpm Serial ATA Hard Drive View product
Features2 differ
HDD capacityDiffers	500 GB	320 GB
HDD sizeDiffers	3.5"	2.5"
Track to track seek timeKnown for one	Unknown — not stated by the source	10.5 ms
Average latencyKnown for one	Unknown — not stated by the source	4.2 ms
Power1 differ
Operating voltageDiffers	5 / 12 V	5 V
Operational conditionsidentical
Operating temperature (T-T)Known for one	Unknown — not stated by the source	10 - 40 °C
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	20 - 80%
Weight & dimensions3 differ
WidthDiffers	104 mm	69.8 mm
DepthDiffers	30 mm	100.2 mm
HeightDiffers	170 mm	9.5 mm
WeightKnown for one	899 g	Unknown — not stated by the source
Other featuresidentical
HDD transfer rateKnown for one	Unknown — not stated by the source	118.4 Mbit/s
Compatible operating systemsKnown for one	Unknown — not stated by the source	Microsoft Windows Vista / XP
CertificationKnown for one	Unknown — not stated by the source	CE, CSA, UL, TUV, C-Tick, BSMI

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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