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Product comparison · 2 optical disc drives

LG 18x Internal Super Multi DVD Rewriter vs LG GSA-T20N DVD rewriter

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  • 32specifications compared
  • 24differ
  • 8identical
  • 12known for one product only

Key differences

  • Product colour
    • Black
    • Silver
  • CD write speed
    • 16x
    • 24x
  • CD rewrite speed
    • 4x
    • 16x
  • DVD+R Double Layer write speed
    • 2.4x
    • 6x
  • DVD+R write speed
    • 2.4x
    • 8x
  • DVD+RW write speed
    • 2.4x
    • 8x
  • DVD-R Double Layer write speed
    • 4x
    • 6x
  • DVD-R write speed
    • 2x
    • 8x

Side by side

Differences highlightedShow differences only
44 specifications
A

LG

18x Internal Super Multi DVD RewriterView product
B

LG

GSA-T20N DVD rewriterView product
Design1 differ
InternalYesYes
Product colourDiffersBlackSilver
Performanceidentical
InterfaceEIDE/ATAEIDE/ATA
Drive device, buffer size2 MB2 MB
LightScribeKnown for oneYes
Writing speed9 differ
CD write speedDiffers16x24x
CD rewrite speedDiffers4x16x
CD-RW write speedKnown for one16x
DVD+R Double Layer write speedDiffers2.4x6x
DVD+R write speedDiffers2.4x8x
DVD+RW write speedDiffers2.4x8x
DVD-R Double Layer write speedDiffers4x6x
DVD-R write speedDiffers2x8x
DVD-RAM write speedDiffers2x5x
DVD-RW write speedDiffers1x6x
CD-R write speedKnown for one16x
Reading speed10 differ
CD read speedDiffers48x24x
CD-R read speedDiffers48x24x
CD-ROM read speedDiffers48x24x
CD-RW read speedDiffers40x24x
DVD+R read speedKnown for one8x
DVD-R Double Layer read speedDiffers12x6x
DVD-R read speedDiffers16x8x
DVD-RAM read speedDiffers2x5x
DVD-ROM read speedDiffers16x8x
DVD+R Double Layer read speedDiffers16x6x
DVD+RW read speedDiffers12x8x
DVD-RW read speedKnown for one12x
Access time2 differ
DVD drive average random access timeDiffers200 ms260 ms
BD-ROM average random access timeKnown for one160 ms
CD-ROM drive average random access timeDiffers120 ms140 ms
Record modesidentical
Disc-at-once (DAO)YesYes
Packet writingYesYes
Random writeYesYes
Sequential writingKnown for oneYes
Session-at-once (SAO)YesYes
Track-at-once (TAO)YesYes
Weight & dimensionsidentical
WeightKnown for one170 g
Other features2 differ
Media types supportedKnown for oneDVD-ROM, DVD-R, DVD-R (DL), DVD-RW, DVD-RAM, DVD+R, DVD+R (DL), DVD+RW, CD
Dimensions (WxDxH)Differs146 x 165 x 41.3 mm128 x 127 x 12.7 mm
Compatible operating systemsDiffersWindows Millennium Edition (Me)Windows Vista x86, x64 Windows 2000 Professional Windows XP Home Edition, Professional, Media Center EditionWindows 2000 Professional, Windows Vista XP Home Edition / Professional / Media Center Edition
Maximum data transfer rateKnown for one11.08 Mbit/s
Drive device, transfer rateKnown for one22.16 MB/s
Double Layer DVD write speedKnown for one12x

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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