Product comparison · 2 internal hard drives

Buffalo OP-HD2.0T internal hard drive vs Seagate Momentus 80GB

10specifications compared
9differ
1identical
5known for one product only

Key differences

The Buffalo OP-HD2.0T internal hard drive has 1,800 RPM more HDD speed than the Seagate Momentus 80GB (7200 RPM vs 5400 RPM). The Buffalo OP-HD2.0T internal hard drive has 1" more HDD size than the Seagate Momentus 80GB (3.5" vs 2.5"). The Buffalo OP-HD2.0T internal hard drive has 34.2 mm more width than the Seagate Momentus 80GB (104 mm vs 69.8 mm). HDD capacity: 2 TB on the Buffalo OP-HD2.0T internal hard drive, 80 GB on the Seagate Momentus 80GB. Interface: Serial ATA on the Buffalo OP-HD2.0T internal hard drive, Ultra-ATA/100 on the Seagate Momentus 80GB.

HDD capacity
- OP-HD2.0T internal hard drive:2 TB
- Momentus 80GB:80 GB
HDD speed
- OP-HD2.0T internal hard drive:7200 RPM
- Momentus 80GB:5400 RPM
HDD size
- OP-HD2.0T internal hard drive:3.5"
- Momentus 80GB:2.5"
Interface
- OP-HD2.0T internal hard drive:Serial ATA
- Momentus 80GB:Ultra-ATA/100
Operating voltage
- OP-HD2.0T internal hard drive:5 / 12 V
- Momentus 80GB:5 V
Width
- OP-HD2.0T internal hard drive:104 mm
- Momentus 80GB:69.8 mm
Depth
- OP-HD2.0T internal hard drive:30 mm
- Momentus 80GB:100.5 mm
Height
- OP-HD2.0T internal hard drive:170 mm
- Momentus 80GB:9.5 mm

Side by side

Differences highlightedShow differences only

Comparison of OP-HD2.0T, Momentus 80GB
15 specifications	A Buffalo OP-HD2.0T internal hard drive Model OP-HD2.0T View product	B Seagate Momentus 80GB View product
Features4 differ
HDD capacityDiffers	2 TB	80 GB
HDD speedDiffers	7200 RPM	5400 RPM
HDD sizeDiffers	3.5"	2.5"
InterfaceDiffers	Serial ATA	Ultra-ATA/100
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
Write seek timeKnown for one	Unknown — not stated by the source	13 ms
Average latencyKnown for one	Unknown — not stated by the source	5.56 ms
Power1 differ
Operating voltageDiffers	5 / 12 V	5 V
Weight & dimensions4 differ
WidthDiffers	104 mm	69.8 mm
DepthDiffers	30 mm	100.5 mm
HeightDiffers	170 mm	9.5 mm
WeightDiffers	899 g	102 g

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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