Product comparison · 2 optical disc drives

Lenovo CD 48xspd EIDE int black vs Lenovo CD-ROM USB PORTABLE DRIVE

Key differences

Internal
- CD 48xspd EIDE int black:Yes
- CD-ROM USB PORTABLE DRIVE:No
CD read speed
- CD 48xspd EIDE int black:48x
- CD-ROM USB PORTABLE DRIVE:10x
Access time
- CD 48xspd EIDE int black:85 ms
- CD-ROM USB PORTABLE DRIVE:250 ms
Operating relative humidity (H-H)
- CD 48xspd EIDE int black:10 - 80%
- CD-ROM USB PORTABLE DRIVE:8 - 80%
Operating temperature (T-T)
- CD 48xspd EIDE int black:5 - 45 °C
- CD-ROM USB PORTABLE DRIVE:10 - 50 °C
Weight
- CD 48xspd EIDE int black:1.2 kg
- CD-ROM USB PORTABLE DRIVE:275 g
Dimensions (WxDxH)
- CD 48xspd EIDE int black:146 x 203 x 42 mm
- CD-ROM USB PORTABLE DRIVE:130 x 146 x 15 mm

Differences highlightedShow differences only

Comparison of CD 48xspd EIDE int black, CD-ROM USB PORTABLE DRIVE
16 specifications	A Lenovo CD 48xspd EIDE int black View product	B Lenovo CD-ROM USB PORTABLE DRIVE View product
Design1 differ
InternalDiffers	Yes	No
Product colourKnown for one	Black	Unknown — not stated by the source
Performanceidentical
Burst transfer rateKnown for one	16.6 MB/s	Unknown — not stated by the source
Mean time between failures (MTBF)Known for one	100.000 h	Unknown — not stated by the source
Reading speed1 differ
CD read speedDiffers	48x	10x
Access time1 differ
Access timeDiffers	85 ms	250 ms
Operational conditions2 differ
Operating relative humidity (H-H)Differs	10 - 80%	8 - 80%
Operating temperature (T-T)Differs	5 - 45 °C	10 - 50 °C
Weight & dimensions1 differ
WeightDiffers	1.2 kg	275 g
Other features3 differ
Media types supportedDiffers	CD-ROM Mode-1 & Mode-2 data, CD-ROM XA, CD Audio, CD-I, Photo CD, Video CD, CD-R, CD-RW, CD-DA & Enhanced 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
Storage capacityKnown for one	650 MB	Unknown — not stated by the source
Dimensions (WxDxH)Differs	146 x 203 x 42 mm	130 x 146 x 15 mm
Compatible operating systemsDiffers	Microsoft Windows 98/Windows NT 4.0/Windows ME/Windows 2000	Microsoft Windows 98, Windows 2000, Windows ME
Sustained data rateKnown for one	3 MB/s	Unknown — not stated by the source
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.