Product comparison · 2 optical disc drives

Lenovo ThinkPad CD-RW/DVD-ROM Ultrabay Enhanced Drive (Serial ATA) vs Lenovo ThinkPad DVD-ROM Ultrabay Enhanced Drive (Serial ATA)

14specifications compared
2differ
12identical
15known for one product only

Key differences

DVD+R read speed
- ThinkPad CD-RW/DVD-ROM Ultrabay Enhanced Drive (Serial ATA):6x
- ThinkPad DVD-ROM Ultrabay Enhanced Drive (Serial ATA):8x
DVD-R read speed
- ThinkPad CD-RW/DVD-ROM Ultrabay Enhanced Drive (Serial ATA):6x
- ThinkPad DVD-ROM Ultrabay Enhanced Drive (Serial ATA):8x

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad CD-RW/DVD-ROM Ultrabay Enhanced Drive (Serial ATA), ThinkPad DVD-ROM Ultrabay Enhanced Drive (Serial ATA)
29 specifications	A Lenovo ThinkPad CD-RW/DVD-ROM Ultrabay Enhanced Drive (Serial ATA)View product	B Lenovo ThinkPad DVD-ROM Ultrabay Enhanced Drive (Serial ATA)View product
Designidentical
Internal	Yes	Yes
Certification	CE, CSA, TUV, UL, MIC, C-Tick, BSMI	CE, CSA, TUV, UL, MIC, C-Tick, BSMI
Performanceidentical
Interface	Serial ATA	Serial ATA
Drive device, buffer size	2 MB	2 MB
Optical drive typeKnown for one	Unknown — not stated by the source	DVD-ROM
Writing speedidentical
CD write speedKnown for one	24x	Unknown — not stated by the source
CD rewrite speedKnown for one	24x	Unknown — not stated by the source
CD-R write speedKnown for one	24x	Unknown — not stated by the source
CD-RW write speedKnown for one	24x	Unknown — not stated by the source
Reading speed2 differ
CD read speed	24x	24x
CD-R read speed	24x	24x
CD-ROM read speedKnown for one	24x	Unknown — not stated by the source
CD-RW read speed	24x	24x
DVD+R read speedDiffers	6x	8x
DVD-R Double Layer read speed	6x	6x
DVD-R read speedDiffers	6x	8x
DVD-RAM read speedKnown for one	5x	Unknown — not stated by the source
DVD-ROM read speedKnown for one	8x	Unknown — not stated by the source
DVD-RW read speedKnown for one	4x	Unknown — not stated by the source
DVD+R Double Layer read speed	6x	6x
DVD+RW read speedKnown for one	4x	Unknown — not stated by the source
DVD read speedKnown for one	Unknown — not stated by the source	8x
Access timeidentical
DVD drive average random access time	170 ms	170 ms
CD-ROM drive average random access time	150 ms	150 ms
Other featuresidentical
Media types supported	CD-R, CD-RW, DVD-RAM, DVD-R, DVD-RW, DVD+R, DVD+RW, DVD+R DL, DVD-R DL	CD-R, CD-RW, DVD-RAM, DVD-R, DVD-RW, DVD+R, DVD+RW, DVD+R DL, DVD-R DL
Compatible operating systemsKnown for one	Microsoft Windows XP, Windows Vista	Unknown — not stated by the source
Weight & dimensionsidentical
WidthKnown for one	Unknown — not stated by the source	5.04 in
DepthKnown for one	Unknown — not stated by the source	5 in
HeightKnown for one	Unknown — not stated by the source	0.5 in

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.

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