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Product comparison · 2 optical disc drives

NEC 8X DVD SlimWriter 8.5GB ND-6650A vs NEC ND-4550 DVDRW 16X silver

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  • 15specifications compared
  • 10differ
  • 5identical
  • 6known for one product only

Key differences

  • Product colour
    • Black
    • Silver
  • CD write speed
    • 20x
    • 48x
  • CD rewrite speed
    • 24x
    • 32x
  • CD read speed
    • 24x
    • 48x
  • DVD read speed
    • 8x
    • 16x
  • Access time
    • 160 ms
    • 140 ms
  • Weight
    • 190 g
    • 900 g
  • Dimensions (WxDxH)
    • 128 x 129 x 12.7 mm
    • 148 x 42 x 190 mm

Side by side

Differences highlightedShow differences only
21 specifications
A

NEC

8X DVD SlimWriter 8.5GB ND-6650AView product
B

NEC

ND-4550 DVDRW 16X silverView product
Design1 differ
Product colourDiffersBlackSilver
Writing speed2 differ
CD write speedDiffers20x48x
CD rewrite speedDiffers24x32x
Reading speed2 differ
CD read speedDiffers24x48x
DVD read speedDiffers8x16x
Access time1 differ
Access timeDiffers160 ms140 ms
DVD drive average random access timeKnown for one160 ms
Weight & dimensions1 differ
WeightDiffers190 g900 g
Other features3 differ
Media types supportedKnown for oneDVD-ROM, DVD-R, DVD+R, DVD-RW, DVD+RW, CD-ROM, CD-R/RW
Dimensions (WxDxH)Differs128 x 129 x 12.7 mm148 x 42 x 190 mm
Number of optical discsKnown for one1 discs
DVD+R speedDiffers8x16x
DVD-R speedDiffers8x16x
Double Layer DVD write speedKnown for one4x
Write methodsKnown for oneCD: DOA, SAO, TAO, multisession
I/O portsKnown for oneanalog- and digital output

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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