NEC AD-7170S optical disc drive Internal vs NEC AD-7170S DVD-RW 18x SATA

Comparison of AD-7170S, AD-7170S DVD-RW 18x SATA

26 specifications	A NEC AD-7170S optical disc drive Internal Model AD-7170S View product	B NEC AD-7170S DVD-RW 18x SATAView product
Designidentical
Product colourKnown for one	—Unknown — not stated by the source	Beige
Disc loading typeKnown for one	—Unknown — not stated by the source	Tray
Access timeidentical
Access timeKnown for one	—Unknown — not stated by the source	140 ms
CD-ROM drive average random access timeKnown for one	140 ms	—Unknown — not stated by the source
Record modesidentical
Fixed packetKnown for one	—Unknown — not stated by the source	Yes
Variable packetKnown for one	—Unknown — not stated by the source	Yes
Other features1 differ
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 and CD-RW with 80mm and 120mm diameter
Dimensions (WxDxH)Differs	148 x 42 x 175 mm	148 x 175 x 42 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.