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Product comparison · 2 optical disc drives

LG LightScribe Super Multi DVD Rewriter 18x, Beige vs NEC AD-7540A DVD-RW 8x slim for notebooks

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  • 19specifications compared
  • 10differ
  • 9identical
  • 24known for one product only

Key differences

  • CD write speed
    • 48x
    • 24x
  • CD rewrite speed
    • 32x
    • 24x
  • DVD+R write speed
    • 16x
    • 8x
  • DVD-R Double Layer write speed
    • 10x
    • 4x
  • DVD-R write speed
    • 16x
    • 8x
  • CD read speed
    • 48x
    • 24x
  • DVD drive average random access time
    • 145 ms
    • 180 ms
  • Weight
    • 770 g
    • 180 g

Side by side

Differences highlightedShow differences only
43 specifications
A

LG

LightScribe Super Multi DVD Rewriter 18x, BeigeView product
B

NEC

AD-7540A DVD-RW 8x slim for notebooksView product
Designidentical
Product colourKnown for oneBeige
Performanceidentical
LightScribeKnown for oneYes
Drive device, buffer sizeKnown for one2 MB
Writing speed5 differ
CD write speedDiffers48x24x
CD rewrite speedDiffers32x24x
DVD+R Double Layer write speedKnown for one8x
DVD+R write speedDiffers16x8x
DVD-R Double Layer write speedDiffers10x4x
DVD-R write speedDiffers16x8x
Reading speed1 differ
CD read speedDiffers48x24x
CD-R read speedKnown for one40x
CD-ROM read speedKnown for one40x
CD-RW read speedKnown for one40x
DVD+R read speedKnown for one10x
DVD-R read speedKnown for one16x
DVD-RAM read speedKnown for one2x
DVD-RW read speedKnown for one16x
DVD+RW read speedKnown for one10x
DVD read speedKnown for one8x
Access time1 differ
DVD drive average random access timeDiffers145 ms180 ms
CD-ROM drive average random access timeKnown for one120 ms
Access timeKnown for one150 ms
Record modesidentical
Packet writingKnown for oneYes
Sequential writingKnown for oneYes
Fixed packetKnown for oneYes
Multi sessionKnown for oneYes
Variable packetKnown for oneYes
Weight & dimensions1 differ
WeightDiffers770 g180 g
Other features2 differ
Media types supportedDiffersDVD-RAM, DVD-R/RW, DVD+R/RW, DVD+/-R DL, CD-R/RW, DVD-ROM, CD-ROM, CD-DA, CD-I FMV, CD-ROM XA, Mixed CD, CD Extra, CD Text, CD-Plus, Photo-CD, Video CDDVD-ROM, DVD-R (DL), DVD-RW, DVD-RAM, DVD +R, DVD +R9, DVD +RW, CD-ROM, CD-R, CD-RW
Dimensions (WxDxH)Differs146 x 41.3 x 165 mm128 x 129 x 12.7 mm
Compatible operating systemsKnown for oneWindows 98SE, Windows ME, Windows 2000 Professional, Windows XP Home Edition, Professional Edition.
Number of optical discsKnown for one1 discs
Drive devices burst data transfer rate (PIO)Known for onePIO mode 4
Drive devices burst data transfer rate (Ultra DMA)Known for oneUltra DMA 33

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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