Product comparison · 2 optical disc drives

Lenovo CD-RW/DVD Combo IV Ultrabay 2000 Drive for X3 UltraBase vs Lenovo IBM THINKPAD CD-RW/DVD-ROM COMBO ULTRABAY ENHANCED DRIVE

Key differences

Weight
- CD-RW/DVD Combo IV Ultrabay 2000 Drive for X3 UltraBase:300 g
- IBM THINKPAD CD-RW/DVD-ROM COMBO ULTRABAY ENHANCED DRIVE:215 g
Dimensions (WxDxH)
- CD-RW/DVD Combo IV Ultrabay 2000 Drive for X3 UltraBase:130 x 144 x 14 mm
- IBM THINKPAD CD-RW/DVD-ROM COMBO ULTRABAY ENHANCED DRIVE:128 x 129 x 12.7 mm

Differences highlightedShow differences only

Comparison of CD-RW/DVD Combo IV Ultrabay 2000 Drive for X3 UltraBase, IBM THINKPAD CD-RW/DVD-ROM COMBO ULTRABAY ENHANCED DRIVE
16 specifications	A Lenovo CD-RW/DVD Combo IV Ultrabay 2000 Drive for X3 UltraBase View product	B Lenovo IBM THINKPAD CD-RW/DVD-ROM COMBO ULTRABAY ENHANCED DRIVE View product
Performanceidentical
Drive device, buffer size	2 MB	2 MB
Writing speedidentical
CD write speed	24x	24x
CD rewrite speed	10x	10x
DVD write speedKnown for one	8x	Unknown — not stated by the source
Reading speedidentical
CD read speed	24x	24x
DVD read speedKnown for one	Unknown — not stated by the source	8x
Operational conditionsidentical
Operating relative humidity (H-H)Known for one	10 - 80%	Unknown — not stated by the source
Operating temperature (T-T)Known for one	5 - 50 °C	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	300 g	215 g
Packaging contentidentical
Bundled softwareKnown for one	InterVideo WinDVD	Unknown — not stated by the source
Other features2 differ
Media types supportedKnown for one	CD-Audio, CD Enhanced, CD-Extra, CD-DA, CD-I, CD-R, CD-RW, CD-ROM, Video CD, DVD-RW, Photo CD, DVD-ROM, DVD-RAM, DVD-R, CD-Text	Unknown — not stated by the source
Dimensions (WxDxH)Differs	130 x 144 x 14 mm	128 x 129 x 12.7 mm
Compatible operating systemsDiffers	Microsoft Windows 2000, Windows XP	-Microsoft Windows 2000 -Windows XP
Total storage capacityKnown for one	4.7 GB	Unknown — not stated by the source
Designidentical
InternalKnown for one	Unknown — not stated by the source	Yes
Access timeidentical
Access timeKnown for one	Unknown — not stated by the source	110 ms

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.