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Product comparison · 2 optical disc drives

LG GSAH55N, Super Multi DVD Rewriter 20x vs Samsung Super-WriteMaster™ 20x, Black

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  • 25specifications compared
  • 16differ
  • 9identical
  • 23known for one product only

Key differences

  • Interface
    • IDE/ATA
    • EIDE/ATA
  • CD write speed
    • 16x
    • 48x
  • DVD+R Double Layer write speed
    • 2.4x
    • 16x
  • DVD+R write speed
    • 2.4x
    • 20x
  • DVD+RW write speed
    • 2.4x
    • 8x
  • DVD-R Double Layer write speed
    • 4x
    • 12x
  • DVD-R write speed
    • 2x
    • 20x
  • DVD-RAM write speed
    • 2x
    • 12x

Side by side

Differences highlightedShow differences only
48 specifications
A

LG

GSAH55N, Super Multi DVD Rewriter 20xView product
B

Samsung

Super-WriteMaster™ 20x, BlackView product
Designidentical
InternalYesYes
Product colourKnown for oneBlack
Disc loading typeTrayTray
MountingKnown for oneVertical/Horizontal
Performance1 differ
InterfaceDiffersIDE/ATAEIDE/ATA
Drive device, buffer size2 MB2 MB
DVD-ROM transfer rate (sustained mode)Known for one22.16 MB/s
Plug and PlayKnown for oneYes
Writing speed8 differ
CD write speedDiffers16x48x
CD rewrite speed4x4x
CD-R write speedKnown for one48x
CD-RW write speedKnown for one4x
DVD+R Double Layer write speedDiffers2.4x16x
DVD+R write speedDiffers2.4x20x
DVD+RW write speedDiffers2.4x8x
DVD-R Double Layer write speedDiffers4x12x
DVD-R write speedDiffers2x20x
DVD-RAM write speedDiffers2x12x
DVD-RW write speedDiffers1x6x
Reading speed3 differ
CD read speedDiffers48x40x
CD-R read speedDiffers48x40x
CD-ROM read speed48x48x
CD-RW read speed40x40x
DVD+R read speedKnown for one16x
DVD-R Double Layer read speedKnown for one12x
DVD-R read speed16x16x
DVD-RAM read speedDiffers5x12x
DVD-ROM read speed16x16x
DVD-RW read speed12x12x
DVD+R Double Layer read speedKnown for one12x
DVD+RW read speedKnown for one12x
Access time2 differ
DVD drive average random access timeDiffers140 ms130 ms
CD-ROM drive average random access timeDiffers120 ms110 ms
Weight & dimensions1 differ
WeightDiffers800 g750 g
HeightKnown for one17 mm
Packaging contentidentical
Bundled softwareKnown for oneYes
Other features1 differ
Media types supportedKnown for oneDVD-RAM, DVD+R, DVD+R Double couche, DVD+RW, DVD-R, DVD-R Double couche, DVD-RW, DVD-ROM, DVD Vidéo, CDR, CD-RW, CD-ROM/XA, CD-ROM, CD-Audio, Vidéo-CD, CDI(FMV), Photo CD, CD-Extra, CD-TEXT
Dimensions (WxDxH)Differs148 x 42 x 17 mm148.2 x 170 x 42 mm
Minimum processorKnown for onePentium III 800MHz
Compatible operating systemsKnown for oneWindows 2000/XP/Vista
Number of optical discsKnown for one1 discs
Sustained data rateKnown for one7.2 MB/s
Record modesidentical
Disc-at-once (DAO)Known for oneYes
Packet writingKnown for oneYes
Random writeKnown for oneYes
Sequential writingKnown for oneYes
Session-at-once (SAO)Known for oneYes
Track-at-once (TAO)Known 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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