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Product comparison · 2 optical disc drives

LG GGCH20L Super Multi Blue Blu-ray Disc and HD DVD-Rom Drive vs LG Super Multi Blue Blu-ray Disc Rewriter and HD-DVD Rom Drive

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  • 23specifications compared
  • 7differ
  • 16identical
  • 13known for one product only

Key differences

  • CD rewrite speed
    • 24x
    • 40x
  • DVD+R Double Layer write speed
    • 4x
    • 12x
  • DVD+R write speed
    • 16x
    • 12x
  • DVD+RW write speed
    • 8x
    • 10x
  • DVD-R Double Layer write speed
    • 4x
    • 12x
  • DVD-R write speed
    • 16x
    • 12x
  • DVD-RW write speed
    • 6x
    • 10x

Side by side

Differences highlightedShow differences only
36 specifications
A

LG

GGCH20L Super Multi Blue Blu-ray Disc and HD DVD-Rom DriveView product
B

LG

Super Multi Blue Blu-ray Disc Rewriter and HD-DVD Rom DriveView product
Designidentical
InternalYesYes
Disc loading typeTrayTray
Performanceidentical
InterfaceSerial ATASerial ATA
Writing speed7 differ
CD write speed40x40x
CD rewrite speedDiffers24x40x
CD-R write speedKnown for one40x
CD-RW write speedKnown for one24x
DVD+R Double Layer write speedDiffers4x12x
DVD+R write speedDiffers16x12x
DVD+RW write speedDiffers8x10x
DVD-R Double Layer write speedDiffers4x12x
DVD-R write speedDiffers16x12x
DVD-RAM write speedKnown for one5x
DVD-RW write speedDiffers6x10x
BD-R write speedKnown for one6x
BD-RE rewrite speedKnown for one2x
Reading speedidentical
CD read speed40x40x
BD-ROM read speedKnown for one6x
DVD+R read speedKnown for one16x
DVD-R read speedKnown for one16x
Access timeidentical
DVD drive average random access time160 ms160 ms
BD-ROM average random access time180 ms180 ms
CD-ROM drive average random access time150 ms150 ms
Record modesidentical
Disc-at-once (DAO)YesYes
Layer Jump RecordingYesYes
Packet writingYesYes
Random writeYesYes
Session-at-once (SAO)YesYes
Track-at-once (TAO)YesYes
Sequential writingKnown for oneYes
Weight & dimensionsidentical
Weight870 g870 g
Other featuresidentical
Media types supportedKnown for oneBD-ROM SL, BD-ROM DL, BD-RE SL, BD-RE DL, BD-R SL, BD-R DL, HD DVD-ROM SL, HD DVD-ROM DL
Dimensions (WxDxH)146 x 41.3 x 185 mm146 x 41.3 x 185 mm
Compatible operating systemsKnown for oneMedia Center Edition Windows 2000 Professional Windows XP Home Edition, Professional Windows Vista (x86, x64)
Operational conditionsidentical
Operating relative humidity (H-H)Known for one15 - 85%
Operating temperature (T-T)Known for one5 - 45 °C

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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