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Product comparison · 2 optical disc drives

LG DVD Rewriter GSA-H54N black vs LG GSAH55N, Super Multi DVD Rewriter 20x

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  • 30specifications compared
  • 11differ
  • 19identical
  • 12known for one product only

Key differences

  • CD write speed
    • 48x
    • 16x
  • CD rewrite speed
    • 16x
    • 4x
  • DVD+R Double Layer write speed
    • 10x
    • 2.4x
  • DVD+R write speed
    • 18x
    • 2.4x
  • DVD+RW write speed
    • 8x
    • 2.4x
  • DVD-R Double Layer write speed
    • 10x
    • 4x
  • DVD-R write speed
    • 18x
    • 2x
  • DVD-RAM write speed
    • 12x
    • 2x

Side by side

Differences highlightedShow differences only
42 specifications
A

LG

DVD Rewriter GSA-H54N blackView product
B

LG

GSAH55N, Super Multi DVD Rewriter 20xView product
Designidentical
InternalYesYes
Disc loading typeTrayTray
Performanceidentical
InterfaceIDE/ATAIDE/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 speed9 differ
CD write speedDiffers48x16x
CD rewrite speedDiffers16x4x
DVD+R Double Layer write speedDiffers10x2.4x
DVD+R write speedDiffers18x2.4x
DVD+RW write speedDiffers8x2.4x
DVD-R Double Layer write speedDiffers10x4x
DVD-R write speedDiffers18x2x
DVD-RAM write speedDiffers12x2x
DVD-RW write speedDiffers6x1x
Reading speed1 differ
CD read speed48x48x
CD-R read speed48x48x
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 speedDiffers12x5x
DVD-ROM read speed16x16x
DVD-RW read speed12x12x
DVD+R Double Layer read speedKnown for one12x
DVD+RW read speedKnown for one12x
Access timeidentical
DVD drive average random access time140 ms140 ms
CD-ROM drive average random access time120 ms120 ms
Record modesidentical
Disc-at-once (DAO)YesYes
Layer Jump RecordingKnown for oneYes
Over-burn writingKnown for oneYes
Packet writingYesYes
Random writeYesYes
Sequential writingYesYes
Session-at-once (SAO)YesYes
Track-at-once (TAO)YesYes
Other features1 differ
Dimensions (WxDxH)Differs146 x 165 x 41.3 mm148 x 42 x 17 mm
Drive device, transfer rateKnown for one7 MB/s
Sustained data rateKnown for one7.2 MB/s
Weight & dimensionsidentical
HeightKnown for one17 mm
WeightKnown for one800 g

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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