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Product comparison · 2 optical disc drives

LG GH20NS optical disc drive Internal Black vs LG Super Multi Blue Blu-ray Disc Rewriter and HD-DVD Rom Drive

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  • 26specifications compared
  • 14differ
  • 12identical
  • 26known for one product only

Key differences

  • CD write speed
    • 48x
    • 40x
  • CD rewrite speed
    • 32x
    • 40x
  • DVD+R Double Layer write speed
    • 10x
    • 12x
  • DVD+R write speed
    • 20x
    • 12x
  • DVD+RW write speed
    • 8x
    • 10x
  • DVD-R Double Layer write speed
    • 10x
    • 12x
  • DVD-R write speed
    • 20x
    • 12x
  • DVD-RW write speed
    • 6x
    • 10x

Side by side

Differences highlightedShow differences only
52 specifications
A

LG

GH20NS optical disc drive Internal Black

Model GH20NS

View product
B

LG

Super Multi Blue Blu-ray Disc Rewriter and HD-DVD Rom DriveView product
Designidentical
InternalYesYes
Product colourKnown for oneBlack
Disc loading typeTrayTray
MountingKnown for oneVertical/Horizontal
Performanceidentical
InterfaceSerial ATASerial ATA
Drive device, buffer sizeKnown for one2 MB
Plug and PlayKnown for oneYes
Writing speed8 differ
CD write speedDiffers48x40x
CD rewrite speedDiffers32x40x
CD-R write speedKnown for one48x
CD-RW write speedKnown for one32x
DVD+R Double Layer write speedDiffers10x12x
DVD+R write speedDiffers20x12x
DVD+RW write speedDiffers8x10x
DVD-R Double Layer write speedDiffers10x12x
DVD-R write speedDiffers20x12x
DVD-RAM write speedKnown for one12x
DVD-RW write speedDiffers6x10x
BD-R write speedKnown for one6x
BD-RE rewrite speedKnown for one2x
Reading speed1 differ
CD read speedDiffers48x40x
CD-R read speedKnown for one48x
CD-ROM read speedKnown for one48x
CD-RW read speedKnown for one40x
DVD+R read speedKnown for one16x
DVD-R Double Layer read speedKnown for one12x
DVD-R read speedKnown for one16x
DVD-RAM read speedKnown for one5x
DVD-ROM read speedKnown for one16x
DVD-RW read speedKnown for one13x
DVD+R Double Layer read speedKnown for one12x
DVD+RW read speedKnown for one13x
Access time2 differ
DVD drive average random access timeDiffers175 ms160 ms
CD-ROM drive average random access timeDiffers120 ms150 ms
BD-ROM average random access timeKnown for one180 ms
Record modesidentical
Disc-at-once (DAO)YesYes
Layer Jump RecordingYesYes
Packet writingYesYes
Random writeYesYes
Sequential writingYesYes
Session-at-once (SAO)YesYes
Track-at-once (TAO)YesYes
Operational conditionsidentical
Operating relative humidity (H-H)15 - 85%15 - 85%
Operating temperature (T-T)5 - 45 °C5 - 45 °C
Storage relative humidity (H-H)Known for one10 - 90%
Storage temperature (T-T)Known for one-30 - 60 °C
Weight & dimensions1 differ
WeightDiffers780 g870 g
Other features2 differ
Power requirementsKnown for one+12V / +5V DC
Dimensions (WxDxH)Differs146 x 41.3 x 165 mm146 x 41.3 x 185 mm
Minimum RAMKnown for one512 MB
Minimum processorKnown for onePentium 4 1.4 GHz
Compatible operating systemsDiffersWindows ME, 2000 Professional, XP Home, Professional, VistaMedia Center Edition Windows 2000 Professional Windows XP Home Edition, Professional Windows Vista (x86, x64)

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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