Product comparison · 2 external hard drives

iStorage QS2 500GB SATA vs Verbatim 120GB USB

8specifications compared
5differ
3identical
14known for one product only

Key differences

HDD capacity
- QS2 500GB SATA:500 GB
- 120GB USB:120 GB
HDD speed
- QS2 500GB SATA:7200 RPM
- 120GB USB:5400 RPM
Weight
- QS2 500GB SATA:907 g
- 120GB USB:147 g
Dimensions (WxDxH)
- QS2 500GB SATA:196 x 114 x 35 mm
- 120GB USB:86 x 137 x 16 mm

Side by side

Differences highlightedShow differences only

Comparison of QS2 500GB SATA, 120GB USB
22 specifications	A iStorage QS2 500GB SATA View product	B Verbatim 120GB USB View product
Hard drive2 differ
HDD capacityDiffers	500 GB	120 GB
HDD speedDiffers	7200 RPM	5400 RPM
Type	HDD	HDD
Storage drive buffer sizeKnown for one	16 MB	Unknown — not stated by the source
Operational conditionsidentical
Operating shockKnown for one	200 G	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	907 g	147 g
Packaging dataidentical
Bundled softwareKnown for one	NTI Backup NOW! 4 OEM (Windows)	Unknown — not stated by the source
Other features2 differ
Access timeKnown for one	8.5 ms	Unknown — not stated by the source
Data transfer rateKnown for one	3 Gbit/s	Unknown — not stated by the source
Interface typeKnown for one	USB 2.0 & eSATA	Unknown — not stated by the source
Internal	No	No
Mac compatibility	Yes	Yes
Mean time between failures (MTBF)Known for one	750000 h	Unknown — not stated by the source
Supported data transfer ratesKnown for one	USB: 480mbps; eSATA: 3gbps	Unknown — not stated by the source
Compatible operating systemsDiffers	- Windows 98 - Windows 98SE - Windows ME - Windows 2000 - Windows XP - Windows Vista - Mac OS X	Windows 2000, XP, Vista, Mac OS 9x, Mac OS X 10.1
Dimensions (WxDxH)Differs	196 x 114 x 35 mm	86 x 137 x 16 mm
Minimum system requirementsKnown for one	Unknown — not stated by the source	USB 1.1/2.0
USB requiredKnown for one	Unknown — not stated by the source	Yes
Ports & interfacesidentical
Maximum data transfer rateKnown for one	Unknown — not stated by the source	480 Mbit/s
USB connectorKnown for one	Unknown — not stated by the source	USB
USB versionKnown for one	Unknown — not stated by the source	2.0
Poweridentical
Bus poweredKnown for one	Unknown — not stated by the source	USB

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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