Lenovo Slim Blu-ray Burner II vs Lenovo ThinkPad Blu-ray Burner Ultrabay Slim Serial ATA Drive

Comparison of Slim Blu-ray Burner II, ThinkPad Blu-ray Burner Ultrabay Slim Serial ATA Drive

34 specifications	A Lenovo Slim Blu-ray Burner IIView product	B Lenovo ThinkPad Blu-ray Burner Ultrabay Slim Serial ATA DriveView product
Designidentical
CertificationKnown for one	—Unknown — not stated by the source	CE, CSA, TUV, UL, MIC, C-Tick, BSMI, VCCI, FCC
Disc loading typeKnown for one	Tray	—Unknown — not stated by the source
Writing speedidentical
CD-R write speedKnown for one	—Unknown — not stated by the source	16x
CD-RW write speedKnown for one	—Unknown — not stated by the source	10x
BD-RE rewrite speedKnown for one	—Unknown — not stated by the source	2x
Reading speed1 differ
CD-R read speedKnown for one	—Unknown — not stated by the source	24x
CD-RW read speedKnown for one	—Unknown — not stated by the source	24x
BD-ROM read speedDiffers	8x	2x
DVD+R read speedKnown for one	—Unknown — not stated by the source	8x
DVD-R Double Layer read speedKnown for one	—Unknown — not stated by the source	6x
DVD-R read speedKnown for one	—Unknown — not stated by the source	8x
DVD-RAM read speedKnown for one	—Unknown — not stated by the source	5x
DVD-RW read speedKnown for one	—Unknown — not stated by the source	6x
DVD+R Double Layer read speedKnown for one	—Unknown — not stated by the source	6x
DVD+RW read speedKnown for one	—Unknown — not stated by the source	6x
DVD read speedKnown for one	24x	—Unknown — not stated by the source
Access timeidentical
DVD drive average random access timeKnown for one	—Unknown — not stated by the source	180 ms
BD-ROM average random access timeKnown for one	—Unknown — not stated by the source	300 ms
CD-ROM drive average random access timeKnown for one	—Unknown — not stated by the source	150 ms
Other featuresidentical
Media types supportedKnown for one	—Unknown — not stated by the source	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
Compatible operating systemsKnown for one	—Unknown — not stated by the source	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.