Product comparison · 2 optical disc drives

Lenovo ThinkPad CD-RW/DVD-ROM Ultrabay Slim Serial ATA Drive vs Lenovo ThinkPad DVD-ROM Ultrabay Slim Drive Serial ATA

8specifications compared
1differ
7identical
15known for one product only

Key differences

The Lenovo ThinkPad DVD-ROM Ultrabay Slim Drive Serial ATA has 2 x more DVD-R Double Layer read speed than the Lenovo ThinkPad CD-RW/DVD-ROM Ultrabay Slim Serial ATA Drive (8x vs 6x).

DVD-R Double Layer read speed
- ThinkPad CD-RW/DVD-ROM Ultrabay Slim Serial ATA Drive:6x
- ThinkPad DVD-ROM Ultrabay Slim Drive Serial ATA:8x

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Differences highlightedShow differences only

Comparison of ThinkPad CD-RW/DVD-ROM Ultrabay Slim Serial ATA Drive, ThinkPad DVD-ROM Ultrabay Slim Drive Serial ATA
23 specifications	A Lenovo ThinkPad CD-RW/DVD-ROM Ultrabay Slim Serial ATA Drive View product	B Lenovo ThinkPad DVD-ROM Ultrabay Slim Drive Serial ATA View product
Designidentical
Internal	Yes	Yes
CertificationKnown for one	Unknown — not stated by the source	BSMI, C-Tick, CE, CSA, MIC (Korea), TÜV, UL
Performanceidentical
Interface	Serial ATA	Serial ATA
Drive device, buffer size	2 MB	2 MB
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 speed1 differ
CD read speed	24x	24x
CD-R read speedKnown for one	24x	Unknown — not stated by the source
CD-RW read speed	24x	24x
DVD-R Double Layer read speedDiffers	6x	8x
DVD-RAM read speedKnown for one	4x	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	6x	Unknown — not stated by the source
DVD+R Double Layer read speedKnown for one	Unknown — not stated by the source	8x
Access timeidentical
DVD drive average random access time	120 ms	120 ms
CD-ROM drive average random access time	110 ms	110 ms
Other featuresidentical
Media types supportedKnown for one	CD-R, CD-RW, DVD-RAM, DVD-R, DVD-RW, DVD+R, DVD+RW, DVD+R DL, DVD-R DL	Unknown — not stated by the source
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	128 x 129 x 9.5 mm
Compatible operating systemsKnown for one	Unknown — not stated by the source	Microsoft Windows XP, Windows Vista
Weight & dimensionsidentical
HeightKnown for one	Unknown — not stated by the source	9.5 mm
WeightKnown for one	Unknown — not stated by the source	100 g

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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