NEC DVD RW drive AD-7203S vs NEC DVD RW drive AD-7241S

Comparison of DVD RW drive AD-7203S, DVD RW drive AD-7241S

44 specifications	A NEC DVD RW drive AD-7203SView product	B NEC DVD RW drive AD-7241SView product
Designidentical
Internal	Yes	Yes
Product colour	Black	Black
Disc loading type	Tray	Tray
Mounting	Horizontal	Horizontal
Performanceidentical
Interface	Serial ATA	Serial ATA
Drive device, buffer size	2 MB	2 MB
LightScribeKnown for one	—Unknown — not stated by the source	Yes
Optical disc diameterKnown for one	—Unknown — not stated by the source	120 mm
Writing speedidentical
CD write speed	48x	48x
CD rewrite speed	32x	32x
CD-R write speed	48x	48x
CD-RW write speed	32x	32x
DVD+R Double Layer write speed	12x	12x
DVD+R write speed	24x	24x
DVD+RW write speed	8x	8x
DVD-R Double Layer write speed	12x	12x
DVD-R write speed	24x	24x
DVD-R9 write speed	12x	12x
DVD-RAM write speed	12x	12x
DVD-RW write speed	6x	6x
Reading speedidentical
CD read speed	48x	48x
DVD+R read speed	16x	16x
DVD-R Double Layer read speedKnown for one	12x	—Unknown — not stated by the source
DVD-R read speed	16x	16x
Record modesidentical
Disc-at-once (DAO)	Yes	Yes
Fixed packetKnown for one	Yes	—Unknown — not stated by the source
Multi session	Yes	Yes
Packet writingKnown for one	Yes	—Unknown — not stated by the source
Session-at-once (SAO)	Yes	Yes
Track-at-once (TAO)	Yes	Yes
Variable packetKnown for one	Yes	—Unknown — not stated by the source
Weight & dimensionsidentical
Weight	640 g	640 g
Packaging contentidentical
Warranty card	Yes	Yes
Other features1 differ
Media types supported	DVD-ROM, DVD-R (DL), DVD-RW, DVD-RAM, DVD+R9, DVD+RW, CD-ROM, CD-R, CD-RW	DVD-ROM, DVD-R (DL), DVD-RW, DVD-RAM, DVD+R9, DVD+RW, CD-ROM, CD-R, CD-RW
Dimensions (WxDxH)Differs	148 x 42 x 170 mm	142 x 42 x 170 mm
Minimum RAM	256 MB	256 MB
Minimum processor	Pentium III 1.0GHz	Pentium III 1.0GHz
Minimum storage drive space	1 GB	1 GB
Compatible operating systems	Windows Vista Home Basic, Home Premium, Ultimate, Business Windows XP Home/Professional MultiRead, PC2001	Windows Vista Home Basic, Home Premium, Ultimate, Business Windows XP Home/Professional MultiRead, PC2001
Language version	Multilingual	Multilingual
Maximum data transfer rate	150 Mbit/s	150 Mbit/s
Number of optical discsKnown for one	1 discs	—Unknown — not stated by the source
Access timeidentical
DVD drive average random access timeKnown for one	—Unknown — not stated by the source	140 ms
CD-ROM drive average random access timeKnown for one	—Unknown — not stated by the source	160 ms

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.