Product comparison · 2 optical disc drives

NEC ND-4551DVD RW Champagne vs NEC ND4570 16x DVD writer Silver

16specifications compared
4differ
12identical
26known for one product only

Key differences

Dimensions (WxDxH)
- ND-4551DVD RW Champagne:148 x 42 x 190 mm
- ND4570 16x DVD writer Silver:148 x 175 x 42 mm
Double Layer DVD write speed
- ND-4551DVD RW Champagne:6x
- ND4570 16x DVD writer Silver:8x

Side by side

Differences highlightedShow differences only

Comparison of ND-4551DVD RW Champagne, ND4570 16x DVD writer Silver
42 specifications	A NEC ND-4551DVD RW Champagne View product	B NEC ND4570 16x DVD writer Silver View product
Designidentical
Internal	Yes	Yes
Product colourKnown for one	Gold	Unknown — not stated by the source
Disc loading typeKnown for one	Tray	Unknown — not stated by the source
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
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
DVD+R write speedKnown for one	16x	Unknown — not stated by the source
DVD+RW write speedKnown for one	8x	Unknown — not stated by the source
DVD-R Double Layer write speedKnown for one	6x	Unknown — not stated by the source
DVD-R write speedKnown for one	16x	Unknown — not stated by the source
DVD-RW write speedKnown for one	6x	Unknown — not stated by the source
DVD write speedKnown for one	16x	Unknown — not stated by the source
DVD rewrite speedKnown for one	8x	Unknown — not stated by the source
Reading speedidentical
CD read speed	48x	48x
CD-R read speedKnown for one	48x	Unknown — not stated by the source
CD-RW read speedKnown for one	32x	Unknown — not stated by the source
DVD+R read speedKnown for one	16x	Unknown — not stated by the source
DVD-R Double Layer read speedKnown for one	6x	Unknown — not stated by the source
DVD-R read speedKnown for one	16x	Unknown — not stated by the source
DVD-RAM read speedKnown for one	5x	Unknown — not stated by the source
DVD-RW read speedKnown for one	6x	Unknown — not stated by the source
DVD+RW read speedKnown for one	8x	Unknown — not stated by the source
DVD read speed	16x	16x
Access timeidentical
Access timeKnown for one	140 ms	Unknown — not stated by the source
Other features4 differ
Media types supportedDiffers	DVD-ROM, DVD-R, DVD-RW, DVD+R, DVD+R9, DVD+RW, DVD-Video, CD Extra, CD Text, CD-I Ready, CD-Bridge, Photo CD, Video CD, 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
Minimum system requirementsKnown for one	-MPC Level 3 -MultiRead -PC2001	Unknown — not stated by the source
Write methodsDiffers	DAO,SAO,TAO	DAO, SAO, TAO & zero gap, variable / fixed packet, multisession
Dimensions (WxDxH)Differs	148 x 42 x 190 mm	148 x 175 x 42 mm
Number of optical discs	1 discs	1 discs
DVD+R speed	16x	16x
DVD+RW speed	8x	8x
DVD-R speed	16x	16x
DVD-RW speed	6x	6x
Double Layer DVD write speedDiffers	6x	8x
Drive devices burst data transfer rate (PIO)Known for one	Mode 4	Unknown — not stated by the source
Drive devices burst data transfer rate (Ultra DMA)Known for one	33	Unknown — not stated by the source
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows 98SE, 2000, Me, XP, 2003 server
I/O portsKnown for one	Unknown — not stated by the source	Digital out, line out
Weight & dimensionsidentical
WeightKnown for one	Unknown — not stated by the source	720 g

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.

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