Product comparison · 2 internal hard drives

Buffalo OP-HD2.0T internal hard drive vs Seagate Barracuda ES.2 SAS 500GB

10specifications compared
6differ
4identical
3known for one product only

Key differences

The Buffalo OP-HD2.0T internal hard drive has 2.4 mm more width than the Seagate Barracuda ES.2 SAS 500GB (104 mm vs 101.6 mm). The Seagate Barracuda ES.2 SAS 500GB has 117 mm more depth than the Buffalo OP-HD2.0T internal hard drive (147 mm vs 30 mm). The Buffalo OP-HD2.0T internal hard drive has 143.9 mm more height than the Seagate Barracuda ES.2 SAS 500GB (170 mm vs 26.1 mm). HDD capacity: 2 TB on the Buffalo OP-HD2.0T internal hard drive, 500 GB on the Seagate Barracuda ES.2 SAS 500GB. Interface: Serial ATA on the Buffalo OP-HD2.0T internal hard drive, SAS on the Seagate Barracuda ES.2 SAS 500GB.

HDD capacity
- OP-HD2.0T internal hard drive:2 TB
- Barracuda ES.2 SAS 500GB:500 GB
Interface
- OP-HD2.0T internal hard drive:Serial ATA
- Barracuda ES.2 SAS 500GB:SAS
Width
- OP-HD2.0T internal hard drive:104 mm
- Barracuda ES.2 SAS 500GB:101.6 mm
Depth
- OP-HD2.0T internal hard drive:30 mm
- Barracuda ES.2 SAS 500GB:147 mm
Height
- OP-HD2.0T internal hard drive:170 mm
- Barracuda ES.2 SAS 500GB:26.1 mm
Weight
- OP-HD2.0T internal hard drive:899 g
- Barracuda ES.2 SAS 500GB:530 g

Side by side

Differences highlightedShow differences only

Comparison of OP-HD2.0T, Barracuda ES.2 SAS 500GB
13 specifications	A Buffalo OP-HD2.0T internal hard drive Model OP-HD2.0T View product	B Seagate Barracuda ES.2 SAS 500GB View product
Features2 differ
HDD capacityDiffers	2 TB	500 GB
HDD speed	7200 RPM	7200 RPM
HDD size	3.5"	3.5"
InterfaceDiffers	Serial ATA	SAS
Read seek timeKnown for one	Unknown — not stated by the source	8.5 ms
Write seek timeKnown for one	Unknown — not stated by the source	9.5 ms
Average latencyKnown for one	Unknown — not stated by the source	4.16 ms
Poweridentical
Operating voltage	5 / 12 V	5 / 12 V
Weight & dimensions4 differ
WidthDiffers	104 mm	101.6 mm
DepthDiffers	30 mm	147 mm
HeightDiffers	170 mm	26.1 mm
WeightDiffers	899 g	530 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.

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