Product comparison · 2 optical disc drives

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

Key differences

Internal
- IBM THINKPAD CD-RW/DVD-ROM COMBO ULTRABAY ENHANCED DRIVE:Yes
- USB 2.0 Portable CD-RW Drive:No
CD write speed
- IBM THINKPAD CD-RW/DVD-ROM COMBO ULTRABAY ENHANCED DRIVE:24x
- USB 2.0 Portable CD-RW Drive:8x
CD rewrite speed
- IBM THINKPAD CD-RW/DVD-ROM COMBO ULTRABAY ENHANCED DRIVE:10x
- USB 2.0 Portable CD-RW Drive:4x
Dimensions (WxDxH)
- IBM THINKPAD CD-RW/DVD-ROM COMBO ULTRABAY ENHANCED DRIVE:128 x 129 x 12.7 mm
- USB 2.0 Portable CD-RW Drive:140 x 146 x 15 mm

Differences highlightedShow differences only

Comparison of IBM THINKPAD CD-RW/DVD-ROM COMBO ULTRABAY ENHANCED DRIVE, USB 2.0 Portable CD-RW Drive
15 specifications	A Lenovo IBM THINKPAD CD-RW/DVD-ROM COMBO ULTRABAY ENHANCED DRIVE View product	B Lenovo USB 2.0 Portable CD-RW Drive View product
Design1 differ
InternalDiffers	Yes	No
Product colourKnown for one	Unknown — not stated by the source	Black
Performanceidentical
Drive device, buffer size	2 MB	2 MB
Writing speed2 differ
CD write speedDiffers	24x	8x
CD rewrite speedDiffers	10x	4x
Reading speedidentical
CD read speed	24x	24x
DVD read speedKnown for one	8x	Unknown — not stated by the source
Operational conditionsidentical
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	8 - 85%
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 40 °C
Other features2 differ
Media types supportedKnown for one	Unknown — not stated by the source	CD-Audio, CD Enhanced, CD-Extra, CD-DA, CD-R, CD-I, CD-RW, CD-ROM, CD-Text, Video CD, Photo CD
Dimensions (WxDxH)Differs	128 x 129 x 12.7 mm	140 x 146 x 15 mm
Compatible operating systemsDiffers	-Microsoft Windows 2000 -Windows XP	-Microsoft Windows XP -Microsoft Windows 2000 -Microsoft Windows Me -Microsoft Windows 98
I/O portsKnown for one	Unknown — not stated by the source	USB
Access timeidentical
Access timeKnown for one	110 ms	Unknown — not stated by the source
Weight & dimensionsidentical
WeightKnown for one	215 g	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.