NEC ND4570 16x DVD writer vs NEC ND4570 16x DVD writer Silver

Comparison of ND4570 16x DVD writer, ND4570 16x DVD writer Silver

19 specifications	A NEC ND4570 16x DVD writerView product	B NEC ND4570 16x DVD writer SilverView product
Designidentical
Internal	Yes	Yes
Performanceidentical
Optical drive type	DVD-RW	DVD-RW
Drive device, buffer size	2 MB	2 MB
Writing speedidentical
CD write speed	48x	48x
CD rewrite speed	32x	32x
Reading speedidentical
CD read speed	48x	48x
DVD read speed	16x	16x
Weight & dimensionsidentical
Weight	720 g	720 g
Other featuresidentical
Media types supported	DVD-ROM, DVD-R, DVD-RW, DVD+R, DVD+R9, DVD+RW, DVD-Video, CD-ROM, CD-ROM XA, CD-Audio, CD Extra, CD Text, CD-I Ready, CD-Bridge, Photo-CD, VideoCD, Hybrid CD	DVD-ROM, DVD-R, DVD-RW, DVD+R, DVD+R9, DVD+RW, DVD-Video, CD-ROM, CD-ROM XA, CD-Audio, CD Extra, CD Text, CD-I Ready, CD-Bridge, Photo-CD, VideoCD, Hybrid CD
Write methods	DAO, SAO, TAO & zero gap, variable / fixed packet, multisession	DAO, SAO, TAO & zero gap, variable / fixed packet, multisession
Dimensions (WxDxH)	148 x 175 x 42 mm	148 x 175 x 42 mm
Compatible operating systems	Windows 98SE, 2000, Me, XP, 2003 server	Windows 98SE, 2000, Me, XP, 2003 server
Number of optical discs	1 discs	1 discs
I/O ports	Digital out, line out	Digital out, line out
DVD+R speed	16x	16x
DVD+RW speed	8x	8x
DVD-R speed	16x	16x
DVD-RW speed	6x	6x
Double Layer DVD write speed	8x	8x

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.