Lenovo CD 48xspd EIDE int black vs Lenovo CD-ROM 48X-20X IDE

Comparison of CD 48xspd EIDE int black, CD-ROM 48X-20X IDE

15 specifications	A Lenovo CD 48xspd EIDE int blackView product	B Lenovo CD-ROM 48X-20X IDEView product
Design1 differ
Internal	Yes	Yes
Product colourDiffers	Black	White
Performanceidentical
Drive device, buffer size	0.125 MB	0.125 MB
Burst transfer rate	16.6 MB/s	16.6 MB/s
Mean time between failures (MTBF)Known for one	100.000 h	—Unknown — not stated by the source
Reading speedidentical
CD read speed	48x	48x
Access timeidentical
Access time	85 ms	85 ms
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 - 45 °C	—Unknown — not stated by the source
Weight & dimensionsidentical
Weight	1.2 kg	1.2 kg
Other features2 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-RW, CD-ROM XA, CD-I, CD-R, CD Audio Disc, Photo CD, Video CD
Storage capacityKnown for one	650 MB	—Unknown — not stated by the source
Dimensions (WxDxH)	146 x 203 x 42 mm	146 x 203 x 42 mm
Compatible operating systemsDiffers	Microsoft Windows 98/Windows NT 4.0/Windows ME/Windows 2000	-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
Sustained data rateKnown for one	3 MB/s	—Unknown — not stated by the source

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.