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Product comparison · 2 optical disc drives

LG GH20NS15 - Internal Super-Multi SecurDisc DVD Rewriter vs LG Super Multi DVD-RW Lightscribe SATA

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  • 36specifications compared
  • 10differ
  • 26identical
  • 14known for one product only

Key differences

  • DVD+R Double Layer write speed
    • 10x
    • 12x
  • DVD+R write speed
    • 20x
    • 22x
  • DVD-R Double Layer write speed
    • 10x
    • 12x
  • DVD-R write speed
    • 20x
    • 22x
  • CD-RW read speed
    • 40x
    • 48x
  • DVD-RAM read speed
    • 5x
    • 12x
  • DVD-RW read speed
    • 13x
    • 12x
  • DVD+RW read speed
    • 13x
    • 12x

Side by side

Differences highlightedShow differences only
50 specifications
A

LG

GH20NS15 - Internal Super-Multi SecurDisc DVD RewriterView product
B

LG

Super Multi DVD-RW Lightscribe SATAView product
Designidentical
InternalYesYes
Disc loading typeTrayTray
Product colourKnown for oneBlack
MountingKnown for oneHorizontal
Performanceidentical
InterfaceSerial ATASerial ATA
Drive device, buffer size2 MB2 MB
LightScribeKnown for oneYes
Writing speed4 differ
CD write speed48x48x
CD rewrite speed32x32x
CD-R write speed48x48x
CD-RW write speed32x32x
DVD+R Double Layer write speedDiffers10x12x
DVD+R write speedDiffers20x22x
DVD+RW write speed8x8x
DVD-R Double Layer write speedDiffers10x12x
DVD-R write speedDiffers20x22x
DVD-RAM write speed12x12x
DVD-RW write speed6x6x
Reading speed4 differ
CD read speed48x48x
CD-R read speed48x48x
CD-ROM read speed48x48x
CD-RW read speedDiffers40x48x
DVD+R read speed16x16x
DVD-R Double Layer read speed12x12x
DVD-R read speed16x16x
DVD-RAM read speedDiffers5x12x
DVD-ROM read speed16x16x
DVD-RW read speedDiffers13x12x
DVD+R Double Layer read speed12x12x
DVD+RW read speedDiffers13x12x
Access time1 differ
DVD drive average random access timeDiffers175 ms140 ms
CD-ROM drive average random access time120 ms120 ms
Record modesidentical
Disc-at-once (DAO)YesYes
Layer Jump RecordingKnown for oneYes
Packet writingYesYes
Random writeYesYes
Sequential writingYesYes
Session-at-once (SAO)YesYes
Track-at-once (TAO)YesYes
Multi sessionKnown for oneYes
Operational conditionsidentical
Operating relative humidity (H-H)Known for one15 - 85%
Operating temperature (T-T)Known for one5 - 45 °C
Storage relative humidity (H-H)Known for one10 - 90%
Storage temperature (T-T)Known for one-30 - 60 °C
Weight & dimensionsidentical
WeightKnown for one780 g
Other features1 differ
Power requirementsKnown for one+12V / +5V DC
Dimensions (WxDxH)Differs146 x 41.3 x 165 mm46 x 41.3 x 165 mm
Minimum RAMKnown for one512 MB
Minimum processorKnown for onePentium 4 1.4 GHz
Compatible operating systemsKnown for oneWindows ME, 2000 Professional, XP Home, Professional, Vista

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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