Product comparison · 2 external hard drives

Buffalo HD-PV640U2/BK external hard drive vs Seagate 500 GB Ultra–portable Drive

9specifications compared
6differ
3identical
13known for one product only

Key differences

HDD capacity
- HD-PV640U2/BK external hard drive:640 GB
- 500 GB Ultra–portable Drive:500 GB
Bus powered
- HD-PV640U2/BK external hard drive:USB
- 500 GB Ultra–portable Drive:No
Width
- HD-PV640U2/BK external hard drive:16 mm
- 500 GB Ultra–portable Drive:82 mm
Depth
- HD-PV640U2/BK external hard drive:130 mm
- 500 GB Ultra–portable Drive:14 mm
Height
- HD-PV640U2/BK external hard drive:81 mm
- 500 GB Ultra–portable Drive:112 mm
Weight
- HD-PV640U2/BK external hard drive:190 g
- 500 GB Ultra–portable Drive:160 g

Side by side

Differences highlightedShow differences only

Comparison of HD-PV640U2/BK, 500 GB Ultra–portable Drive
22 specifications	A Buffalo HD-PV640U2/BK external hard drive Model HD-PV640U2/BK View product	B Seagate 500 GB Ultra–portable Drive View product
Hard drive1 differ
HDD capacityDiffers	640 GB	500 GB
InterfaceKnown for one	Serial ATA	Unknown — not stated by the source
Type	HDD	HDD
HDD sizeKnown for one	Unknown — not stated by the source	2.5"
Ports & interfacesidentical
FireWire 400Known for one	No	Unknown — not stated by the source
FireWire 800Known for one	No	Unknown — not stated by the source
USB connectorKnown for one	Unknown — not stated by the source	USB
USB versionKnown for one	Unknown — not stated by the source	2.0
USB data transfer ratesKnown for one	Unknown — not stated by the source	480 Mbit/s
Featuresidentical
Product colour	Black	Black
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Mac operating systems supportedKnown for one	Unknown — not stated by the source	Yes
Power1 differ
Bus poweredDiffers	USB	No
Power consumption (typical)Known for one	2.5 W	Unknown — not stated by the source
Operational conditionsidentical
Operating temperature (T-T)Known for one	5 - 35 °C	Unknown — not stated by the source
Operating relative humidity (H-H)Known for one	20 - 80%	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	16 mm	82 mm
DepthDiffers	130 mm	14 mm
HeightDiffers	81 mm	112 mm
WeightDiffers	190 g	160 g
Other featuresidentical
USB 2.0 ports quantity	1	1
Compatible operating systemsKnown for one	Windows 7/Vista/XP/Server 2003/2008 MacOS X 10.4+	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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