Product comparison · 2 optical disc drives

Lenovo CD-RW/DVD Combo IV Ultrabay 2000 Drive for X3 UltraBase vs Lenovo IBM USB 2.0 CD-RW/DVD-ROM Combo Drive ext Ultrabay2000

Key differences

CD rewrite speed
- CD-RW/DVD Combo IV Ultrabay 2000 Drive for X3 UltraBase:10x
- IBM USB 2.0 CD-RW/DVD-ROM Combo Drive ext Ultrabay2000:24x
Operating temperature (T-T)
- CD-RW/DVD Combo IV Ultrabay 2000 Drive for X3 UltraBase:5 - 50 °C
- IBM USB 2.0 CD-RW/DVD-ROM Combo Drive ext Ultrabay2000:5 - 35 °C
Weight
- CD-RW/DVD Combo IV Ultrabay 2000 Drive for X3 UltraBase:300 g
- IBM USB 2.0 CD-RW/DVD-ROM Combo Drive ext Ultrabay2000:250 g
Dimensions (WxDxH)
- CD-RW/DVD Combo IV Ultrabay 2000 Drive for X3 UltraBase:130 x 144 x 14 mm
- IBM USB 2.0 CD-RW/DVD-ROM Combo Drive ext Ultrabay2000:136 x 140 x 15 mm

Differences highlightedShow differences only

Comparison of CD-RW/DVD Combo IV Ultrabay 2000 Drive for X3 UltraBase, IBM USB 2.0 CD-RW/DVD-ROM Combo Drive ext Ultrabay2000
16 specifications	A Lenovo CD-RW/DVD Combo IV Ultrabay 2000 Drive for X3 UltraBase View product	B Lenovo IBM USB 2.0 CD-RW/DVD-ROM Combo Drive ext Ultrabay2000 View product
Performanceidentical
Drive device, buffer size	2 MB	2 MB
InterfaceKnown for one	Unknown — not stated by the source	USB 2.0
Writing speed1 differ
CD write speed	24x	24x
CD rewrite speedDiffers	10x	24x
DVD write speed	8x	8x
Reading speedidentical
CD read speed	24x	24x
Operational conditions1 differ
Operating relative humidity (H-H)Known for one	10 - 80%	Unknown — not stated by the source
Operating temperature (T-T)Differs	5 - 50 °C	5 - 35 °C
Weight & dimensions1 differ
WeightDiffers	300 g	250 g
Packaging contentidentical
Bundled softwareKnown for one	InterVideo WinDVD	Unknown — not stated by the source
Other features3 differ
Media types supportedDiffers	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	CD-ROM, CD-R, CD-RW, DVD-ROM, DVD-R, DVD-RAM, DVD-RW, DVD+RW, DVD+R
Dimensions (WxDxH)Differs	130 x 144 x 14 mm	136 x 140 x 15 mm
Compatible operating systemsDiffers	Microsoft Windows 2000, Windows XP	Microsoft Windows 2000 (Service Pack 4 and later)/Windows XP
Total storage capacityKnown for one	4.7 GB	Unknown — not stated by the source
I/O portsKnown for one	Unknown — not stated by the source	USB
Designidentical
InternalKnown for one	Unknown — not stated by the source	No

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.