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Product comparison · 2 optical disc drives

LG GH20NS15 - Internal Super-Multi SecurDisc DVD Rewriter vs LG GH22NS optical disc drive Internal Black

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  • 26specifications compared
  • 7differ
  • 19identical
  • 22known for one product only

Key differences

  • DVD+R Double Layer write speed
    • 10x
    • 16x
  • DVD+R write speed
    • 20x
    • 22x
  • DVD-R Double Layer write speed
    • 10x
    • 16x
  • DVD-R write speed
    • 20x
    • 22x
  • DVD-RAM read speed
    • 5x
    • 12x
  • DVD-RW read speed
    • 13x
    • 12x
  • DVD drive average random access time
    • 175 ms
    • 140 ms

Side by side

Differences highlightedShow differences only
48 specifications
A

LG

GH20NS15 - Internal Super-Multi SecurDisc DVD RewriterView product
B

LG

GH22NS optical disc drive Internal Black

Model GH22NS

View product
Designidentical
InternalYesYes
Disc loading typeTrayTray
Product colourKnown for oneBlack
Performanceidentical
InterfaceSerial ATASerial ATA
Drive device, buffer size2 MB2 MB
Writing speed4 differ
CD write speed48x48x
CD rewrite speed32x32x
CD-R write speed48x48x
CD-RW write speed32x32x
DVD+R Double Layer write speedDiffers10x16x
DVD+R write speedDiffers20x22x
DVD+RW write speed8x8x
DVD-R Double Layer write speedDiffers10x16x
DVD-R write speedDiffers20x22x
DVD-RAM write speed12x12x
DVD-RW write speed6x6x
Reading speed2 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 speedDiffers5x12x
DVD-ROM read speed16x16x
DVD-RW read speedDiffers13x12x
DVD+R Double Layer read speedKnown for one12x
DVD+RW read speedKnown for one13x
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)Known for oneYes
Layer Jump RecordingKnown 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
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 featuresidentical
Power requirementsKnown for one+12V / +5V DC
Dimensions (WxDxH)146 x 41.3 x 165 mm146 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
Maximum data transfer rateKnown for one22.16 Mbit/s

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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