Product comparison · 2 internal hard drives

Buffalo OP-HD2.0T internal hard drive vs Seagate Momentus SATA 320GB

Key differences

HDD capacity
- OP-HD2.0T internal hard drive:2 TB
- Momentus SATA 320GB:320 GB
HDD size
- OP-HD2.0T internal hard drive:3.5"
- Momentus SATA 320GB:2.5"
Operating voltage
- OP-HD2.0T internal hard drive:5 / 12 V
- Momentus SATA 320GB:5 V
Width
- OP-HD2.0T internal hard drive:104 mm
- Momentus SATA 320GB:69.8 mm
Depth
- OP-HD2.0T internal hard drive:30 mm
- Momentus SATA 320GB:100.5 mm
Height
- OP-HD2.0T internal hard drive:170 mm
- Momentus SATA 320GB:9.5 mm
Weight
- OP-HD2.0T internal hard drive:899 g
- Momentus SATA 320GB:110 g

Differences highlightedShow differences only

Comparison of OP-HD2.0T, Momentus SATA 320GB
15 specifications	A Buffalo OP-HD2.0T internal hard drive Model OP-HD2.0T View product	B Seagate Momentus SATA 320GB View product
Features2 differ
HDD capacityDiffers	2 TB	320 GB
HDD speed	7200 RPM	7200 RPM
HDD sizeDiffers	3.5"	2.5"
Interface	Serial ATA	Serial ATA
Component forKnown for one	Unknown — not stated by the source	Laptop
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	16 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	4.17 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	110 g
Other featuresidentical
Internal	Yes	Yes

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.