Product comparison · 2 optical disc drives

Lenovo Combo int Multiburner Ultrabay Enhanced vs Lenovo USB 2.0 Portable CD-RW Drive

Key differences

Internal
- Combo int Multiburner Ultrabay Enhanced:Yes
- USB 2.0 Portable CD-RW Drive:No
CD write speed
- Combo int Multiburner Ultrabay Enhanced:24x
- USB 2.0 Portable CD-RW Drive:8x
CD rewrite speed
- Combo int Multiburner Ultrabay Enhanced:8x
- USB 2.0 Portable CD-RW Drive:4x
CD read speed
- Combo int Multiburner Ultrabay Enhanced:16x
- USB 2.0 Portable CD-RW Drive:24x
Operating relative humidity (H-H)
- Combo int Multiburner Ultrabay Enhanced:10 - 80%
- USB 2.0 Portable CD-RW Drive:8 - 85%
Operating temperature (T-T)
- Combo int Multiburner Ultrabay Enhanced:5 - 35 °C
- USB 2.0 Portable CD-RW Drive:5 - 40 °C
Dimensions (WxDxH)
- Combo int Multiburner Ultrabay Enhanced:128 x 129 x 13 mm
- USB 2.0 Portable CD-RW Drive:140 x 146 x 15 mm

Differences highlightedShow differences only

Comparison of Combo int Multiburner Ultrabay Enhanced, USB 2.0 Portable CD-RW Drive
17 specifications	A Lenovo Combo int Multiburner Ultrabay Enhanced 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
Burst transfer rateKnown for one	16.6 MB/s	Unknown — not stated by the source
Writing speed2 differ
CD write speedDiffers	24x	8x
CD rewrite speedDiffers	8x	4x
Reading speed1 differ
CD read speedDiffers	16x	24x
DVD read speedKnown for one	8x	Unknown — not stated by the source
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 conditions2 differ
Operating relative humidity (H-H)Differs	10 - 80%	8 - 85%
Operating temperature (T-T)Differs	5 - 35 °C	5 - 40 °C
Weight & dimensionsidentical
WeightKnown for one	240 g	Unknown — not stated by the source
Other features2 differ
Dimensions (WxDxH)Differs	128 x 129 x 13 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
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
I/O portsKnown for one	Unknown — not stated by the source	USB

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.