Product comparison · 2 optical disc drives

Lenovo CD-RW DVD 48x32x48 16xDVD IDE ATAP vs Lenovo IBM USB 2.0 CD-RW/DVD-ROM Combo Drive ext Ultrabay2000

Key differences

Internal
- CD-RW DVD 48x32x48 16xDVD IDE ATAP:Yes
- IBM USB 2.0 CD-RW/DVD-ROM Combo Drive ext Ultrabay2000:No
CD write speed
- CD-RW DVD 48x32x48 16xDVD IDE ATAP:48x
- IBM USB 2.0 CD-RW/DVD-ROM Combo Drive ext Ultrabay2000:24x
CD rewrite speed
- CD-RW DVD 48x32x48 16xDVD IDE ATAP:32x
- IBM USB 2.0 CD-RW/DVD-ROM Combo Drive ext Ultrabay2000:24x
DVD write speed
- CD-RW DVD 48x32x48 16xDVD IDE ATAP:16x
- IBM USB 2.0 CD-RW/DVD-ROM Combo Drive ext Ultrabay2000:8x
CD read speed
- CD-RW DVD 48x32x48 16xDVD IDE ATAP:48x
- IBM USB 2.0 CD-RW/DVD-ROM Combo Drive ext Ultrabay2000:24x
Operating temperature (T-T)
- CD-RW DVD 48x32x48 16xDVD IDE ATAP:5 - 45 °C
- IBM USB 2.0 CD-RW/DVD-ROM Combo Drive ext Ultrabay2000:5 - 35 °C
Weight
- CD-RW DVD 48x32x48 16xDVD IDE ATAP:900 g
- IBM USB 2.0 CD-RW/DVD-ROM Combo Drive ext Ultrabay2000:250 g
Dimensions (WxDxH)
- CD-RW DVD 48x32x48 16xDVD IDE ATAP:149 x 190 x 42 mm
- IBM USB 2.0 CD-RW/DVD-ROM Combo Drive ext Ultrabay2000:136 x 140 x 15 mm

Differences highlightedShow differences only

Comparison of CD-RW DVD 48x32x48 16xDVD IDE ATAP, IBM USB 2.0 CD-RW/DVD-ROM Combo Drive ext Ultrabay2000
16 specifications	A Lenovo CD-RW DVD 48x32x48 16xDVD IDE ATAP View product	B Lenovo IBM USB 2.0 CD-RW/DVD-ROM Combo Drive ext Ultrabay2000 View product
Design1 differ
InternalDiffers	Yes	No
Performanceidentical
Drive device, buffer size	2 MB	2 MB
InterfaceKnown for one	Unknown — not stated by the source	USB 2.0
Writing speed3 differ
CD write speedDiffers	48x	24x
CD rewrite speedDiffers	32x	24x
DVD write speedDiffers	16x	8x
Reading speed1 differ
CD read speedDiffers	48x	24x
Access timeidentical
Access timeKnown for one	140 ms	Unknown — not stated by the source
Operational conditions1 differ
Operating relative humidity (H-H)Known for one	10 - 80%	Unknown — not stated by the source
Operating temperature (T-T)Differs	5 - 45 °C	5 - 35 °C
Weight & dimensions1 differ
WeightDiffers	900 g	250 g
Other features2 differ
Media types supported	CD-ROM, CD-R, CD-RW, DVD-ROM, DVD-R, DVD-RAM, DVD-RW, DVD+RW, DVD+R	CD-ROM, CD-R, CD-RW, DVD-ROM, DVD-R, DVD-RAM, DVD-RW, DVD+RW, DVD+R
Dimensions (WxDxH)Differs	149 x 190 x 42 mm	136 x 140 x 15 mm
Compatible operating systemsDiffers	Microsoft Windows XP/Windows 2000/Windows Me	Microsoft Windows 2000 (Service Pack 4 and later)/Windows XP
Total storage capacityKnown for one	17 GB	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.