Product comparison · 2 optical disc drives

NEC AD-7173A Beige vs NEC AD-7543A optical disc drive Internal Black

Key differences

Product colour
- AD-7173A Beige:Beige
- AD-7543A optical disc drive Internal Black:Black
CD write speed
- AD-7173A Beige:48x
- AD-7543A optical disc drive Internal Black:24x
CD rewrite speed
- AD-7173A Beige:32x
- AD-7543A optical disc drive Internal Black:24x
DVD+R write speed
- AD-7173A Beige:18x
- AD-7543A optical disc drive Internal Black:8x
DVD-R Double Layer write speed
- AD-7173A Beige:8x
- AD-7543A optical disc drive Internal Black:4x
DVD-R write speed
- AD-7173A Beige:18x
- AD-7543A optical disc drive Internal Black:8x
DVD-RAM write speed
- AD-7173A Beige:12x
- AD-7543A optical disc drive Internal Black:5x
CD read speed
- AD-7173A Beige:48x
- AD-7543A optical disc drive Internal Black:24x

Differences highlightedShow differences only

Comparison of AD-7173A Beige, AD-7543A
27 specifications	A NEC AD-7173A Beige View product	B NEC AD-7543A optical disc drive Internal Black Model AD-7543A View product
Design1 differ
Product colourDiffers	Beige	Black
Performanceidentical
Optical drive typeKnown for one	DVD-RW	Unknown — not stated by the source
Drive device, buffer sizeKnown for one	2 MB	Unknown — not stated by the source
Writing speed6 differ
CD write speedDiffers	48x	24x
CD rewrite speedDiffers	32x	24x
DVD+R write speedDiffers	18x	8x
DVD-R Double Layer write speedDiffers	8x	4x
DVD-R write speedDiffers	18x	8x
DVD-RAM write speedDiffers	12x	5x
Reading speed2 differ
CD read speedDiffers	48x	24x
DVD+R read speedDiffers	16x	8x
DVD-R read speedKnown for one	Unknown — not stated by the source	8x
Access time2 differ
DVD drive average random access timeDiffers	160 ms	180 ms
CD-ROM drive average random access timeDiffers	140 ms	150 ms
Weight & dimensions1 differ
WeightDiffers	705 g	180 g
Other features2 differ
Media types supportedDiffers	DVD-ROM, DVD-R (DL), DVD-RW, DVD-RAM, DVD +R, DVD +RW, DVD +R9, CD-ROM, CD-R, CD-RW	DVD-ROM, DVD-R (DL), DVD-RW, DVD-RAM, DVD +R, DVD +R9, DVD +RW, CD-ROM, CD-R, CD-RW
Dimensions (WxDxH)Differs	148 x 175 x 42 mm	128 x 129 x 12.7 mm

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.