Product comparison · 2 optical disc drives

Lenovo ThinkPad DVD Burner Ultrabay Slim Serial ATA Drive vs Lenovo ThinkPad DVD-ROM Ultrabay Slim Drive Serial ATA

Key differences

CD read speed
- ThinkPad DVD Burner Ultrabay Slim Serial ATA Drive:8x
- ThinkPad DVD-ROM Ultrabay Slim Drive Serial ATA:24x

Differences highlightedShow differences only

Comparison of ThinkPad DVD Burner Ultrabay Slim Serial ATA Drive, ThinkPad DVD-ROM Ultrabay Slim Drive Serial ATA
16 specifications	A Lenovo ThinkPad DVD Burner Ultrabay Slim Serial ATA Drive View product	B Lenovo ThinkPad DVD-ROM Ultrabay Slim Drive Serial ATA View product
Design1 differ
Internal	Yes	Yes
CertificationDiffers	BSMI, C-Tick, CE, CSA, FCC, MIC (Korea), TÜV, UL, VCCI	BSMI, C-Tick, CE, CSA, MIC (Korea), TÜV, UL
Performanceidentical
Interface	Serial ATA	Serial ATA
Drive device, buffer size	2 MB	2 MB
Reading speed1 differ
CD read speedDiffers	8x	24x
CD-RW read speedKnown for one	Unknown — not stated by the source	24x
DVD-R Double Layer 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	8x
Access timeidentical
DVD drive average random access timeKnown for one	Unknown — not stated by the source	120 ms
CD-ROM drive average random access timeKnown for one	Unknown — not stated by the source	110 ms
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
Other featuresidentical
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
Writing speedidentical
CD write speedKnown for one	8x	Unknown — not stated by the source
CD rewrite speedKnown for one	8x	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.