Acer External ODD w/ USB Data/Power cable vs Lenovo USB DVD Burner

Comparison of External ODD w/ USB Data/Power cable, USB DVD Burner

19 specifications	A Acer External ODD w/ USB Data/Power cableView product	B Lenovo USB DVD BurnerView product
Designidentical
Internal	No	No
Disc loading typeKnown for one	—Unknown — not stated by the source	Tray
Performanceidentical
Drive device, buffer size	2 MB	2 MB
Plug and Play	Yes	Yes
Writing speedidentical
CD write speed	24x	24x
CD rewrite speed	24x	24x
DVD+R Double Layer write speedKnown for one	6x	—Unknown — not stated by the source
DVD+R write speedKnown for one	8x	—Unknown — not stated by the source
DVD-R Double Layer write speedKnown for one	6x	—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
Reading speedidentical
CD read speed	24x	24x
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+RW read speedKnown for one	8x	—Unknown — not stated by the source
Weight & dimensionsidentical
WeightKnown for one	370 g	—Unknown — not stated by the source
Other features1 differ
Dimensions (WxDxH)Differs	153 x 163 x 24 mm	145 x 155 x 21 mm
Operational conditionsidentical
Operating relative humidity (H-H)Known for one	—Unknown — not stated by the source	10 - 80%
Operating temperature (T-T)Known for one	—Unknown — not stated by the source	5 - 35 °C

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.