Product comparison · 2 internal hard drives

Buffalo OP-HD2.0T internal hard drive vs Seagate Cheetah NS.2 SAS 450GB

8specifications compared
7differ
1identical
6known for one product only

Key differences

The Seagate Cheetah NS.2 SAS 450GB has 2,800 RPM more HDD speed than the Buffalo OP-HD2.0T internal hard drive (10000 RPM vs 7200 RPM). The Buffalo OP-HD2.0T internal hard drive has 2.4 mm more width than the Seagate Cheetah NS.2 SAS 450GB (104 mm vs 101.6 mm). The Seagate Cheetah NS.2 SAS 450GB has 116.5 mm more depth than the Buffalo OP-HD2.0T internal hard drive (146.5 mm vs 30 mm). HDD capacity: 2 TB on the Buffalo OP-HD2.0T internal hard drive, 450 GB on the Seagate Cheetah NS.2 SAS 450GB. Interface: Serial ATA on the Buffalo OP-HD2.0T internal hard drive, SAS on the Seagate Cheetah NS.2 SAS 450GB.

HDD capacity
- OP-HD2.0T internal hard drive:2 TB
- Cheetah NS.2 SAS 450GB:450 GB
HDD speed
- OP-HD2.0T internal hard drive:7200 RPM
- Cheetah NS.2 SAS 450GB:10000 RPM
Interface
- OP-HD2.0T internal hard drive:Serial ATA
- Cheetah NS.2 SAS 450GB:SAS
Width
- OP-HD2.0T internal hard drive:104 mm
- Cheetah NS.2 SAS 450GB:101.6 mm
Depth
- OP-HD2.0T internal hard drive:30 mm
- Cheetah NS.2 SAS 450GB:146.5 mm
Height
- OP-HD2.0T internal hard drive:170 mm
- Cheetah NS.2 SAS 450GB:25.7 mm
Weight
- OP-HD2.0T internal hard drive:899 g
- Cheetah NS.2 SAS 450GB:672 g

Side by side

Differences highlightedShow differences only

Comparison of OP-HD2.0T, Cheetah NS.2 SAS 450GB
14 specifications	A Buffalo OP-HD2.0T internal hard drive Model OP-HD2.0T View product	B Seagate Cheetah NS.2 SAS 450GB View product
Features3 differ
HDD capacityDiffers	2 TB	450 GB
HDD speedDiffers	7200 RPM	10000 RPM
InterfaceDiffers	Serial ATA	SAS
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	3.8 ms
Write seek timeKnown for one	Unknown — not stated by the source	4.4 ms
Average latencyKnown for one	Unknown — not stated by the source	2.98 ms
HDD sizeKnown for one	3.5"	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	104 mm	101.6 mm
DepthDiffers	30 mm	146.5 mm
HeightDiffers	170 mm	25.7 mm
WeightDiffers	899 g	672 g
Other featuresidentical
Internal	Yes	Yes
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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