Product comparison · 2 optical disc drives

BenQ 1650S Black Bulk vs Lenovo IBM USB 2.0 CD-RW/DVD-ROM Drive

Key differences

Internal
- 1650S Black Bulk:Yes
- IBM USB 2.0 CD-RW/DVD-ROM Drive:No
Drive device, buffer size
- 1650S Black Bulk:0.256 MB
- IBM USB 2.0 CD-RW/DVD-ROM Drive:2 MB
CD read speed
- 1650S Black Bulk:48x
- IBM USB 2.0 CD-RW/DVD-ROM Drive:20x
DVD read speed
- 1650S Black Bulk:16x
- IBM USB 2.0 CD-RW/DVD-ROM Drive:6x
Weight
- 1650S Black Bulk:1.1 kg
- IBM USB 2.0 CD-RW/DVD-ROM Drive:305 g
Dimensions (WxDxH)
- 1650S Black Bulk:200 x 148 x 42.3 mm
- IBM USB 2.0 CD-RW/DVD-ROM Drive:157 x 130 x 19 mm

Differences highlightedShow differences only

Comparison of 1650S Black Bulk, IBM USB 2.0 CD-RW/DVD-ROM Drive
16 specifications	A BenQ 1650S Black Bulk View product	B Lenovo IBM USB 2.0 CD-RW/DVD-ROM Drive View product
Design1 differ
InternalDiffers	Yes	No
Performance1 differ
Drive device, buffer sizeDiffers	0.256 MB	2 MB
Burst transfer rateKnown for one	33.3 MB/s	Unknown — not stated by the source
InterfaceKnown for one	Unknown — not stated by the source	USB 2.0
Reading speed2 differ
CD read speedDiffers	48x	20x
DVD read speedDiffers	16x	6x
Access timeidentical
Access timeKnown for one	85 ms	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	1.1 kg	305 g
Other features1 differ
Media types supportedKnown for one	DVD ROM (SL/DL), DVD-Video, DVD-R (3.95Gb/4.7Gb), DVD-RW (ver. 2.0), CD-R/RW, CD-DA, CD-ROM, CD ROM/XA, VCD, CD-I, CD-Extra, CD-Text	Unknown — not stated by the source
Dimensions (WxDxH)Differs	200 x 148 x 42.3 mm	157 x 130 x 19 mm
Mac compatibilityKnown for one	No	Unknown — not stated by the source
Sustained data rateKnown for one	7.2 MB/s	Unknown — not stated by the source
Compatible operating systemsKnown for one	Unknown — not stated by the source	Microsoft Windows XP, Microsoft Windows 2000 SP4 or later
I/O portsKnown for one	Unknown — not stated by the source	USB 2.0
Writing speedidentical
CD write speedKnown for one	Unknown — not stated by the source	8x
CD rewrite speedKnown for one	Unknown — not stated by the source	8x

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.