NEC AD-7173 Black vs NEC AD-7173A Beige

Comparison of AD-7173 Black, AD-7173A Beige

36 specifications	A NEC AD-7173 BlackView product	B NEC AD-7173A BeigeView product
Design1 differ
Product colourDiffers	Black	Beige
MountingKnown for one	Vertical/Horizontal	—Unknown — not stated by the source
Performance1 differ
InterfaceDiffers	Serial ATA	IDE/ATA
Burst transfer rateKnown for one	150 MB/s	—Unknown — not stated by the source
Writing speedidentical
CD-R write speedKnown for one	48x	—Unknown — not stated by the source
CD-RW write speedKnown for one	32x	—Unknown — not stated by the source
Reading speedidentical
CD-ROM read speedKnown for one	48x	—Unknown — not stated by the source
DVD-ROM read speedKnown for one	16x	—Unknown — not stated by the source
DVD+R read speedKnown for one	—Unknown — not stated by the source	16x
Record modesidentical
Fixed packetKnown for one	Yes	—Unknown — not stated by the source
Variable packetKnown for one	Yes	—Unknown — not stated by the source
Packet writingKnown for one	—Unknown — not stated by the source	Yes
Weight & dimensionsidentical
HeightKnown for one	42 mm	—Unknown — not stated by the source
Other featuresidentical
Number of optical discsKnown for one	1 discs	—Unknown — not stated by the source
Media types supportedKnown for one	—Unknown — not stated by the source	DVD-ROM, DVD-R (DL), DVD-RW, DVD-RAM, DVD +R, DVD +RW, DVD +R9, CD-ROM, CD-R, CD-RW

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.