Product comparison · 2 optical disc drives

Lenovo ThinkPad DVD-ROM Ultrabay Enhanced Drive vs Lenovo ThinkPlus USB 2.0 CD-RW/DVD-ROM Combo II (Denmark)

Key differences

Internal
- ThinkPad DVD-ROM Ultrabay Enhanced Drive:Yes
- ThinkPlus USB 2.0 CD-RW/DVD-ROM Combo II (Denmark):No
Weight
- ThinkPad DVD-ROM Ultrabay Enhanced Drive:200 g
- ThinkPlus USB 2.0 CD-RW/DVD-ROM Combo II (Denmark):320 g
Dimensions (WxDxH)
- ThinkPad DVD-ROM Ultrabay Enhanced Drive:131 x 144 x 13 mm
- ThinkPlus USB 2.0 CD-RW/DVD-ROM Combo II (Denmark):144 x 145 x 20 mm

Differences highlightedShow differences only

Comparison of ThinkPad DVD-ROM Ultrabay Enhanced Drive, ThinkPlus USB 2.0 CD-RW/DVD-ROM Combo II (Denmark)
15 specifications	A Lenovo ThinkPad DVD-ROM Ultrabay Enhanced Drive View product	B Lenovo ThinkPlus USB 2.0 CD-RW/DVD-ROM Combo II (Denmark)View product
Design1 differ
InternalDiffers	Yes	No
Performanceidentical
Drive device, buffer size	2 MB	2 MB
Reading speedidentical
CD read speed	24x	24x
DVD read speedKnown for one	8x	Unknown — not stated by the source
DVD-ROM read speedKnown for one	Unknown — not stated by the source	8x
Access timeidentical
DVD drive average random access timeKnown for one	130 ms	Unknown — not stated by the source
Access timeKnown for one	110 ms	Unknown — not stated by the source
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 - 35 °C	Unknown — not stated by the source
Weight & dimensions1 differ
HeightKnown for one	13 mm	Unknown — not stated by the source
WeightDiffers	200 g	320 g
Other features1 differ
Dimensions (WxDxH)Differs	131 x 144 x 13 mm	144 x 145 x 20 mm
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, DVD+RW, DVD+R, DVD+R
Writing speedidentical
CD write speedKnown for one	Unknown — not stated by the source	24x
CD rewrite speedKnown for one	Unknown — not stated by the source	24x

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.