Product comparison · 2 optical disc drives

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

22specifications compared
12differ
10identical
12known for one product only

Key differences

Drive device, buffer size
- ThinkPad Blu-ray Burner Ultrabay Slim Serial ATA Drive:8 MB
- ThinkPad CD-RW/DVD-ROM Ultrabay Enhanced Drive (Serial ATA):2 MB
CD write speed
- ThinkPad Blu-ray Burner Ultrabay Slim Serial ATA Drive:16x
- ThinkPad CD-RW/DVD-ROM Ultrabay Enhanced Drive (Serial ATA):24x
CD rewrite speed
- ThinkPad Blu-ray Burner Ultrabay Slim Serial ATA Drive:10x
- ThinkPad CD-RW/DVD-ROM Ultrabay Enhanced Drive (Serial ATA):24x
CD-R write speed
- ThinkPad Blu-ray Burner Ultrabay Slim Serial ATA Drive:16x
- ThinkPad CD-RW/DVD-ROM Ultrabay Enhanced Drive (Serial ATA):24x
CD-RW write speed
- ThinkPad Blu-ray Burner Ultrabay Slim Serial ATA Drive:10x
- ThinkPad CD-RW/DVD-ROM Ultrabay Enhanced Drive (Serial ATA):24x
DVD+R read speed
- ThinkPad Blu-ray Burner Ultrabay Slim Serial ATA Drive:8x
- ThinkPad CD-RW/DVD-ROM Ultrabay Enhanced Drive (Serial ATA):6x
DVD-R read speed
- ThinkPad Blu-ray Burner Ultrabay Slim Serial ATA Drive:8x
- ThinkPad CD-RW/DVD-ROM Ultrabay Enhanced Drive (Serial ATA):6x
DVD-RW read speed
- ThinkPad Blu-ray Burner Ultrabay Slim Serial ATA Drive:6x
- ThinkPad CD-RW/DVD-ROM Ultrabay Enhanced Drive (Serial ATA):4x

Side by side

Differences highlightedShow differences only

Comparison of ThinkPad Blu-ray Burner Ultrabay Slim Serial ATA Drive, ThinkPad CD-RW/DVD-ROM Ultrabay Enhanced Drive (Serial ATA)
34 specifications	A Lenovo ThinkPad Blu-ray Burner Ultrabay Slim Serial ATA Drive View product	B Lenovo ThinkPad CD-RW/DVD-ROM Ultrabay Enhanced Drive (Serial ATA)View product
Design1 differ
Internal	Yes	Yes
CertificationDiffers	CE, CSA, TUV, UL, MIC, C-Tick, BSMI, VCCI, FCC	CE, CSA, TUV, UL, MIC, C-Tick, BSMI
Performance1 differ
Interface	Serial ATA	Serial ATA
Drive device, buffer sizeDiffers	8 MB	2 MB
Writing speed4 differ
CD write speedDiffers	16x	24x
CD rewrite speedDiffers	10x	24x
CD-R write speedDiffers	16x	24x
CD-RW write speedDiffers	10x	24x
BD-R write speedKnown for one	2x	Unknown — not stated by the source
BD-RE rewrite speedKnown for one	2x	Unknown — not stated by the source
BD-RE write speedKnown for one	2x	Unknown — not stated by the source
DVD+R write speedKnown for one	8x	Unknown — not stated by the source
DVD+RW write speedKnown for one	4x	Unknown — not stated by the source
DVD-R write speedKnown for one	8x	Unknown — not stated by the source
DVD-RAM write speedKnown for one	5x	Unknown — not stated by the source
DVD-RW write speedKnown for one	4x	Unknown — not stated by the source
Reading speed4 differ
CD read speed	24x	24x
CD-R read speed	24x	24x
CD-RW read speed	24x	24x
BD-ROM read speedKnown for one	2x	Unknown — not stated by the source
DVD+R read speedDiffers	8x	6x
DVD-R Double Layer read speed	6x	6x
DVD-R read speedDiffers	8x	6x
DVD-RAM read speed	5x	5x
DVD-RW read speedDiffers	6x	4x
DVD+R Double Layer read speed	6x	6x
DVD+RW read speedDiffers	6x	4x
CD-ROM read speedKnown for one	Unknown — not stated by the source	24x
DVD-ROM read speedKnown for one	Unknown — not stated by the source	8x
Access time1 differ
DVD drive average random access timeDiffers	180 ms	170 ms
BD-ROM average random access timeKnown for one	300 ms	Unknown — not stated by the source
CD-ROM drive average random access time	150 ms	150 ms
Other features1 differ
Media types supportedDiffers	CD-R, CD-RW, DVD-RAM, DVD-R, DVD-RW, DVD-ROM, DVD+R, DVD+RW, DVD+R DL, DVD-R DL, BD-R/BD-RE SL, BD-R/BD-RE DL	CD-R, CD-RW, DVD-RAM, DVD-R, DVD-RW, DVD+R, DVD+RW, DVD+R DL, DVD-R DL
Compatible operating systems	Microsoft Windows XP, Windows Vista	Microsoft Windows XP, Windows Vista

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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