Product comparison · 2 optical disc drives

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

6specifications compared
0differ
6identical
20known for one product only

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Comparison of ThinkPad CD-RW/DVD-ROM Ultrabay Slim Serial ATA Drive, ThinkPad DVD Burner Ultrabay Enhanced Drive (Serial ATA)
26 specifications	A Lenovo ThinkPad CD-RW/DVD-ROM Ultrabay Slim Serial ATA Drive View product	B Lenovo ThinkPad DVD Burner Ultrabay Enhanced Drive (Serial ATA)View product
Designidentical
Internal	Yes	Yes
Disc loading typeKnown for one	Unknown — not stated by the source	Tray
Performanceidentical
Interface	Serial ATA	Serial ATA
Drive device, buffer size	2 MB	2 MB
Writing speedidentical
CD write speed	24x	24x
CD rewrite speed	24x	24x
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
DVD+R Double Layer write speedKnown for one	Unknown — not stated by the source	6x
DVD+R write speedKnown for one	Unknown — not stated by the source	8x
DVD+RW write speedKnown for one	Unknown — not stated by the source	8x
DVD-R Double Layer write speedKnown for one	Unknown — not stated by the source	6x
DVD-R write speedKnown for one	Unknown — not stated by the source	8x
DVD-RW write speedKnown for one	Unknown — not stated by the source	6x
Reading speedidentical
CD read speed	24x	24x
CD-R read speedKnown for one	24x	Unknown — not stated by the source
CD-RW read speedKnown for one	24x	Unknown — not stated by the source
DVD-R Double Layer read speedKnown for one	6x	Unknown — not stated by the source
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 read speedKnown for one	Unknown — not stated by the source	8x
DVD-R read speedKnown for one	Unknown — not stated by the source	8x
Access timeidentical
DVD drive average random access timeKnown for one	120 ms	Unknown — not stated by the source
CD-ROM drive average random access timeKnown for one	110 ms	Unknown — not stated by the source
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

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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