Product comparison · 2 optical disc drives

Lenovo CD-ROM 48X-20X IDE vs Lenovo CD-ROM USB PORTABLE DRIVE

Key differences

Internal
- CD-ROM 48X-20X IDE:Yes
- CD-ROM USB PORTABLE DRIVE:No
CD read speed
- CD-ROM 48X-20X IDE:48x
- CD-ROM USB PORTABLE DRIVE:10x
Access time
- CD-ROM 48X-20X IDE:85 ms
- CD-ROM USB PORTABLE DRIVE:250 ms
Weight
- CD-ROM 48X-20X IDE:1.2 kg
- CD-ROM USB PORTABLE DRIVE:275 g
Dimensions (WxDxH)
- CD-ROM 48X-20X IDE:146 x 203 x 42 mm
- CD-ROM USB PORTABLE DRIVE:130 x 146 x 15 mm

Differences highlightedShow differences only

Comparison of CD-ROM 48X-20X IDE, CD-ROM USB PORTABLE DRIVE
13 specifications	A Lenovo CD-ROM 48X-20X IDE View product	B Lenovo CD-ROM USB PORTABLE DRIVE View product
Design1 differ
InternalDiffers	Yes	No
Product colourKnown for one	White	Unknown — not stated by the source
Performanceidentical
Drive device, buffer size	0.125 MB	0.125 MB
Burst transfer rateKnown for one	16.6 MB/s	Unknown — not stated by the source
Reading speed1 differ
CD read speedDiffers	48x	10x
Access time1 differ
Access timeDiffers	85 ms	250 ms
Operational conditionsidentical
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	8 - 80%
Operating temperature (T-T)Known for one	Unknown — not stated by the source	10 - 50 °C
Weight & dimensions1 differ
WeightDiffers	1.2 kg	275 g
Other features3 differ
Media types supportedDiffers	CD-RW, CD-ROM XA, CD-I, CD-R, CD Audio Disc, Photo CD, Video CD	CD Enhanced, CD-ROM, CD-R, CD-DA, CD-I, CD-ROM Mode - 1 Data Disc, CD-ROM Mode - 2 Data Disc, CD-ROM XA, CD-RW, CD-Text, Photo CD, Video CD
Dimensions (WxDxH)Differs	146 x 203 x 42 mm	130 x 146 x 15 mm
Compatible operating systemsDiffers	-Microsoft Windows 3.1 -Microsoft Windows 95 -Microsoft Windows 98 -Microsoft Windows NT 4.0 -DOS 6.0, or higher -OS/2 Warp 4.0, or higher	Microsoft Windows 98, Windows 2000, Windows ME
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.