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Product comparison · 2 optical disc drives

NEC DVD burner ND-4551 vs NEC ND-3551 DVD RW Silver

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  • 20specifications compared
  • 5differ
  • 15identical
  • 21known for one product only

Key differences

  • Product colour
    • White
    • Silver
  • CD write speed
    • 48x
    • 32x
  • Dimensions (WxDxH)
    • 42 x 190 x 148 mm
    • 148 x 42 x 190 mm

Side by side

Differences highlightedShow differences only
41 specifications
A

NEC

DVD burner ND-4551View product
B

NEC

ND-3551 DVD RW SilverView product
Design1 differ
InternalYesYes
Product colourDiffersWhiteSilver
Disc loading typeTrayTray
Performanceidentical
Optical drive typeDVD-RWDVD-RW
Drive device, buffer size2 MB2 MB
Burst transfer rateKnown for one33 MB/s
Writing speed1 differ
CD write speedDiffers48x32x
CD rewrite speed32x32x
CD-R write speedKnown for one48x
CD-RW write speedKnown for one32x
DVD+R write speedKnown for one16x
DVD+RW write speedKnown for one8x
DVD-R Double Layer write speedKnown for one6x
DVD-R write speedKnown for one16x
DVD-R9 write speedKnown for one8x
DVD-RW write speedKnown for one8x
DVD write speedKnown for one8x
DVD rewrite speedKnown for one8x
Reading speedidentical
CD read speed48x48x
CD-R read speedKnown for one48x
CD-RW read speedKnown for one32x
DVD+R read speedKnown for one16x
DVD-R Double Layer read speedKnown for one6x
DVD-R read speedKnown for one16x
DVD-RW read speedKnown for one8x
DVD+RW read speedKnown for one8x
DVD read speed16x16x
Access timeidentical
Access timeKnown for one140 ms
Other features3 differ
Media types supportedDiffersDVD-ROM, DVD-R, DVD-RW, DVD+R, DVD-RW, DVD DL, DVD Video, CD-ROM, CD-ROM XA, CD-Audio, CD Extra, CD Text, CD-I Ready, CD Bridge, Photo-CD, VideoCD, HybridCD, LabelFlashDVD-ROM, DVD-R (DL - 2005), DVD-RW, DVD+R, DVD+RW,DVD+R9,CD-ROM, CD-R & CD-RW - 80mm & 120mm
Minimum system requirementsKnown for one-MPC Level 3 -MultiRead -PC2001
Write methodsDiffersDAO, SAO, TAODAO, SAO,TAO + zero gap, variable / fixed packet, multisession
Dimensions (WxDxH)Differs42 x 190 x 148 mm148 x 42 x 190 mm
Number of optical discs1 discs1 discs
DVD+R speed16x16x
DVD+RW speed8x8x
DVD-R speed16x16x
DVD-RW speed6x6x
Double Layer DVD write speed6x6x
Drive devices burst data transfer rate (PIO)Mode 4Mode 4
Drive devices burst data transfer rate (Ultra DMA)3333
Weight & dimensionsidentical
WeightKnown for one900 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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