Product comparison · 2 optical disc drives

Lenovo IBM USB 2.0 CD-RW/DVD-ROM Drive vs Lenovo THINKPAD CD-RW/DVD-ROM COMBO II ULTRABAY SLIM DRIVE

Key differences

Internal
- IBM USB 2.0 CD-RW/DVD-ROM Drive:No
- THINKPAD CD-RW/DVD-ROM COMBO II ULTRABAY SLIM DRIVE:Yes
CD write speed
- IBM USB 2.0 CD-RW/DVD-ROM Drive:8x
- THINKPAD CD-RW/DVD-ROM COMBO II ULTRABAY SLIM DRIVE:24x
CD rewrite speed
- IBM USB 2.0 CD-RW/DVD-ROM Drive:8x
- THINKPAD CD-RW/DVD-ROM COMBO II ULTRABAY SLIM DRIVE:24x
CD read speed
- IBM USB 2.0 CD-RW/DVD-ROM Drive:20x
- THINKPAD CD-RW/DVD-ROM COMBO II ULTRABAY SLIM DRIVE:24x
DVD read speed
- IBM USB 2.0 CD-RW/DVD-ROM Drive:6x
- THINKPAD CD-RW/DVD-ROM COMBO II ULTRABAY SLIM DRIVE:8x
Weight
- IBM USB 2.0 CD-RW/DVD-ROM Drive:305 g
- THINKPAD CD-RW/DVD-ROM COMBO II ULTRABAY SLIM DRIVE:210 g
Dimensions (WxDxH)
- IBM USB 2.0 CD-RW/DVD-ROM Drive:157 x 130 x 19 mm
- THINKPAD CD-RW/DVD-ROM COMBO II ULTRABAY SLIM DRIVE:128 x 129 x 9.5 mm

Differences highlightedShow differences only

Comparison of IBM USB 2.0 CD-RW/DVD-ROM Drive, THINKPAD CD-RW/DVD-ROM COMBO II ULTRABAY SLIM DRIVE
15 specifications	A Lenovo IBM USB 2.0 CD-RW/DVD-ROM Drive View product	B Lenovo THINKPAD CD-RW/DVD-ROM COMBO II ULTRABAY SLIM DRIVE View product
Design1 differ
InternalDiffers	No	Yes
Performanceidentical
Drive device, buffer size	2 MB	2 MB
InterfaceKnown for one	USB 2.0	Unknown — not stated by the source
Writing speed2 differ
CD write speedDiffers	8x	24x
CD rewrite speedDiffers	8x	24x
Reading speed2 differ
CD read speedDiffers	20x	24x
DVD read speedDiffers	6x	8x
Access timeidentical
Access timeKnown for one	Unknown — not stated by the source	160 ms
Operational conditionsidentical
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	10 - 80%
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 50 °C
Weight & dimensions1 differ
WeightDiffers	305 g	210 g
Other features2 differ
Media types supportedKnown for one	Unknown — not stated by the source	CD-ROM, CD-R, CD-RW, DVD-ROM, DVD-R, DVD-RAM, DVD-RW
Dimensions (WxDxH)Differs	157 x 130 x 19 mm	128 x 129 x 9.5 mm
Compatible operating systemsDiffers	Microsoft Windows XP, Microsoft Windows 2000 SP4 or later	Microsoft Windows 2000, Microsoft Windows XP
I/O portsKnown for one	USB 2.0	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.