Product comparison · 2 external hard drives

Buffalo HD-QL4TSU2R5 external hard drive vs Seagate FreeAgent GoFlex 750GB

10specifications compared
7differ
3identical
22known for one product only

Key differences

HDD capacity
- HD-QL4TSU2R5 external hard drive:4 TB
- FreeAgent GoFlex 750GB:750 GB
Bus powered
- HD-QL4TSU2R5 external hard drive:No
- FreeAgent GoFlex 750GB:USB
Width
- HD-QL4TSU2R5 external hard drive:150 mm
- FreeAgent GoFlex 750GB:89 mm
Depth
- HD-QL4TSU2R5 external hard drive:233.7 mm
- FreeAgent GoFlex 750GB:22 mm
Height
- HD-QL4TSU2R5 external hard drive:155 mm
- FreeAgent GoFlex 750GB:120 mm
Weight
- HD-QL4TSU2R5 external hard drive:5.67 kg
- FreeAgent GoFlex 750GB:280 g

Side by side

Differences highlightedShow differences only

Comparison of HD-QL4TSU2R5, FreeAgent GoFlex 750GB
32 specifications	A Buffalo HD-QL4TSU2R5 external hard drive Model HD-QL4TSU2R5 View product	B Seagate FreeAgent GoFlex 750GB View product
Hard drive1 differ
HDD capacityDiffers	4 TB	750 GB
InterfaceKnown for one	Serial ATA	Unknown — not stated by the source
File format systemKnown for one	Unknown — not stated by the source	NTFS
Ports & interfacesidentical
USB data transfer ratesKnown for one	480 Mbit/s	Unknown — not stated by the source
eSATAKnown for one	Yes	Unknown — not stated by the source
eSATA data transfer ratesKnown for one	3 Gbit/s	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
Featuresidentical
LED indicatorsKnown for one	Power, Yes	Unknown — not stated by the source
Plug and PlayKnown for one	Unknown — not stated by the source	Yes
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	No	USB
External power adapterKnown for one	Yes	Unknown — not stated by the source
AC adapter input voltageKnown for one	100-240 V	Unknown — not stated by the source
AC adapter frequencyKnown for one	50 - 60 Hz	Unknown — not stated by the source
Power consumption (typical)Known for one	86 W	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	150 mm	89 mm
DepthDiffers	233.7 mm	22 mm
HeightDiffers	155 mm	120 mm
WeightDiffers	5.67 kg	280 g
Packaging dataidentical
Cables includedKnown for one	eSATA	Unknown — not stated by the source
Bundled softwareKnown for one	Buffalo Tools TurboPC NovaBACKUP Business Essentials	Unknown — not stated by the source
User guideKnown for one	Unknown — not stated by the source	Yes
Other features1 differ
Compatible operating systemsDiffers	Windows 7 (32-bit/64-bit), Windows Vista (32-bit/64-bit), Windows XP, Windows 2000, Windows Server 2003 (32-bit), Windows Server 2003 R2 (32-bit), Windows Server 2008 (32-bit/64-bit), Windows Server 2008 R2 (64-bit), Mac OS X 10.4 or later	Windows 7, Windows Vista, Windows XP (32-bit & 64-bit) Mac OS X 10.4.6 Tiger +, 10.5 Leopard, 10.6 Snow Leopard
Integrated USB cableKnown for one	Unknown — not stated by the source	No
USB requiredKnown for one	Unknown — not stated by the source	Yes
Dimensions (W x D x H) (imperial)Known for one	Unknown — not stated by the source	89.2 x 22.1 x 119.6 mm (3.51 x 0.87 x 4.71")
Weight (imperial)Known for one	Unknown — not stated by the source	0.281 kg (0.62 lbs)

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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