Product comparison · 2 internal hard drives

Buffalo OP/LS 4.0TB vs Seagate 2TB 3.5" SATA III

9specifications compared
7differ
2identical
13known for one product only

Key differences

HDD capacity
- OP/LS 4.0TB:4 TB
- 2TB 3.5" SATA III:2 TB
Interface
- OP/LS 4.0TB:Serial ATA
- 2TB 3.5" SATA III:Serial ATA III
Type
- OP/LS 4.0TB:HDD
- 2TB 3.5" SATA III:Hybrid-HDD
Width
- OP/LS 4.0TB:105 mm
- 2TB 3.5" SATA III:101.6 mm
Depth
- OP/LS 4.0TB:30 mm
- 2TB 3.5" SATA III:26.1 mm
Height
- OP/LS 4.0TB:170 mm
- 2TB 3.5" SATA III:146.1 mm
Weight
- OP/LS 4.0TB:700 g
- 2TB 3.5" SATA III:408 g

Side by side

Differences highlightedShow differences only

Comparison of OP/LS 4.0TB, 2TB 3.5" SATA III
22 specifications	A Buffalo OP/LS 4.0TB View product	B Seagate 2TB 3.5" SATA III View product
Features3 differ
HDD capacityDiffers	4 TB	2 TB
HDD speedKnown for one	Unknown — not stated by the source	7200 RPM
HDD size	3.5"	3.5"
InterfaceDiffers	Serial ATA	Serial ATA III
TypeDiffers	HDD	Hybrid-HDD
Storage drive buffer sizeKnown for one	Unknown — not stated by the source	32 MB
Hybrid-HDD cache memoryKnown for one	Unknown — not stated by the source	8 GB
Poweridentical
Operating voltage	5 / 12 V	5 / 12 V
Packaging contentidentical
Quick start guideKnown for one	Unknown — not stated by the source	Yes
Weight & dimensions4 differ
WidthDiffers	105 mm	101.6 mm
DepthDiffers	30 mm	26.1 mm
HeightDiffers	170 mm	146.1 mm
WeightDiffers	700 g	408 g
Packaging dataidentical
Quantity per packKnown for one	Unknown — not stated by the source	1 pc(s)
Package widthKnown for one	Unknown — not stated by the source	196.8 mm
Package depthKnown for one	Unknown — not stated by the source	73.2 mm
Package weightKnown for one	Unknown — not stated by the source	850 g
Package heightKnown for one	Unknown — not stated by the source	149.3 mm
Other featuresidentical
Data transfer rateKnown for one	Unknown — not stated by the source	6 Gbit/s
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Windows 7 Home Basic, Windows 7 Home Basic x64, Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows 8, Windows 8 Enterprise, Windows 8 Enterprise x64, Win
Mac operating systems supportedKnown for one	Unknown — not stated by the source	Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 Mavericks
Linux operating systems supportedKnown for one	Unknown — not stated by the source	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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