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Product comparison · 2 optical disc drives

Iomega Super DVD Burner 20X USB vs LG GH20NS optical disc drive Internal Black

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  • 13specifications compared
  • 12differ
  • 1identical
  • 39known for one product only

Key differences

  • Internal
    • No
    • Yes
  • CD rewrite speed
    • 24x
    • 32x
  • DVD+RW write speed
    • 20x
    • 8x
  • DVD-RW write speed
    • 20x
    • 6x
  • CD read speed
    • 32x
    • 48x
  • CD-RW read speed
    • 32x
    • 40x
  • DVD-RW read speed
    • 8x
    • 13x
  • DVD+R Double Layer read speed
    • 4x
    • 12x

Side by side

Differences highlightedShow differences only
52 specifications
A

Iomega

Super DVD Burner 20X USBView product
B

LG

GH20NS optical disc drive Internal Black

Model GH20NS

View product
Design1 differ
InternalDiffersNoYes
Product colourKnown for oneBlack
Disc loading typeKnown for oneTray
MountingKnown for oneVertical/Horizontal
Performanceidentical
InterfaceKnown for oneSerial ATA
Drive device, buffer sizeKnown for one2 MB
Plug and PlayKnown for oneYes
Writing speed3 differ
CD rewrite speedDiffers24x32x
CD-R write speedKnown for one48x
CD-RW write speedKnown for one32x
DVD+R Double Layer write speedKnown for one10x
DVD+R write speedKnown for one20x
DVD+RW write speedDiffers20x8x
DVD-R Double Layer write speedKnown for one10x
DVD-R write speedKnown for one20x
DVD-RAM write speedKnown for one12x
DVD-RW write speedDiffers20x6x
Reading speed5 differ
CD read speedDiffers32x48x
CD-R read speedKnown for one48x
CD-ROM read speedKnown for one48x
CD-RW read speedDiffers32x40x
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 speedDiffers8x13x
DVD+R Double Layer read speedDiffers4x12x
DVD+RW read speedDiffers8x13x
Access timeidentical
DVD drive average random access timeKnown for one175 ms
CD-ROM drive average random access timeKnown for one120 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 features3 differ
Power requirementsKnown for one+12V / +5V DC
Dimensions (WxDxH)Known for one146 x 41.3 x 165 mm
Minimum RAMDiffers256 MB512 MB
Minimum processorDiffers800MHz Pentium IIIPentium 4 1.4 GHz
Compatible operating systemsDiffersMicrosoft Windows 2000 / Me / XP / VistaWindows ME, 2000 Professional, XP Home, Professional, Vista
USB 2.0 ports quantityKnown for one1
Dimensions (W x D x H) (imperial)Known for one145.8 x 169.9 x 41.4 mm (5.74 x 6.69 x 1.63")
Weight (imperial)Known for one0.907 kg (2 lbs)

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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