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Product comparison · 2 optical disc drives

NEC ND-7551DVD RW Black Slim vs Samsung Slim DVD Writer, Black

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  • 21specifications compared
  • 9differ
  • 12identical
  • 29known for one product only

Key differences

  • CD rewrite speed
    • 20x
    • 24x
  • CD-RW write speed
    • 20x
    • 24x
  • DVD+RW write speed
    • 8x
    • 4x
  • DVD-R Double Layer write speed
    • 4x
    • 2.4x
  • DVD-RW write speed
    • 6x
    • 4x
  • CD-RW read speed
    • 20x
    • 24x
  • DVD-R Double Layer read speed
    • 4x
    • 8x
  • Dimensions (WxDxH)
    • 128 x 12.7 x 129 mm
    • 128 x 127 x 12.7 mm

Side by side

Differences highlightedShow differences only
50 specifications
A

NEC

ND-7551DVD RW Black SlimView product
B

Samsung

Slim DVD Writer, BlackView product
Designidentical
InternalYesYes
Product colourBlackBlack
Disc loading typeKnown for oneTray
MountingKnown for oneVertical/Horizontal
Performanceidentical
Optical drive typeKnown for oneDVD-RW
InterfaceKnown for oneEIDE/ATA
Drive device, buffer sizeKnown for one2 MB
Writing speed5 differ
CD write speed24x24x
CD rewrite speedDiffers20x24x
CD-R write speed24x24x
CD-RW write speedDiffers20x24x
DVD+R write speed8x8x
DVD+RW write speedDiffers8x4x
DVD-R Double Layer write speedDiffers4x2.4x
DVD-R write speed8x8x
DVD-RAM write speed5x5x
DVD-RW write speedDiffers6x4x
DVD write speedKnown for one8x
DVD rewrite speedKnown for one8x
DVD+R Double Layer write speedKnown for one2.4x
Reading speed2 differ
CD read speed24x24x
CD-R read speed24x24x
CD-RW read speedDiffers20x24x
DVD+R read speed8x8x
DVD-R Double Layer read speedDiffers4x8x
DVD-R read speed8x8x
DVD-RAM read speedKnown for one5x
DVD-RW read speedKnown for one6x
DVD+RW read speedKnown for one8x
DVD read speedKnown for one8x
CD-ROM read speedKnown for one24x
DVD-ROM read speedKnown for one8x
DVD+R Double Layer read speedKnown for one8x
Access timeidentical
Access timeKnown for one130 ms
DVD drive average random access timeKnown for one110 ms
Weight & dimensionsidentical
WeightKnown for one190 g
Other features2 differ
Media types supportedDiffersDVD-ROM,DVD-R,DVD+R, DVD+RW,CD-ROM, CD-R, CD-RWDVD+R, DVD+RW, DVD-R, DVD-RW, DVD-VIDEO, DVD-ROM, DVD-RAM, CD-R, CD-RW, CD-ROM, CD-ROM/XA, CD-Audio, Video-CD, Photo CD, CD-I(FMV), CD-Extra, CD-TEXT
Minimum system requirementsKnown for one-MPC Level 3 -MultiRead -PC2001
Write methodsKnown for oneDAO, SAO,TAO + zero gap, variable / fixed packet, multisession
Dimensions (WxDxH)Differs128 x 12.7 x 129 mm128 x 127 x 12.7 mm
Number of optical discs1 discs1 discs
DVD+R speedKnown for one8x
DVD+RW speedKnown for one8x
DVD-R speedKnown for one8x
DVD-RW speedKnown for one6x
Double Layer DVD write speedKnown for one4x
Drive devices burst data transfer rate (PIO)Known for oneMode 4
Drive devices burst data transfer rate (Ultra DMA)Known for one33
Technical featuresKnown for one-12 cm / 8 cm CD & DVD -buffer underrun prevention
Packaging contentidentical
Bundled softwareKnown for oneYes

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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