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Product comparison · 2 optical disc drives

Freecom Mobile DVD RW II vs LG GH22LS40 optical disc drive Internal Black

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  • 15specifications compared
  • 12differ
  • 3identical
  • 42known for one product only

Key differences

  • Internal
    • No
    • Yes
  • Interface
    • USB 2.0
    • Serial ATA
  • CD write speed
    • 24x
    • 48x
  • CD rewrite speed
    • 24x
    • 32x
  • DVD+R Double Layer write speed
    • 4x
    • 12x
  • DVD+R write speed
    • 8x
    • 22x
  • DVD-R Double Layer write speed
    • 4x
    • 12x
  • DVD-R write speed
    • 8x
    • 22x

Side by side

Differences highlightedShow differences only
57 specifications
A

Freecom

Mobile DVD RW IIView product
B

LG

GH22LS40 optical disc drive Internal Black

Model GH22LS40

View product
Design1 differ
InternalDiffersNoYes
Product colourBlackBlack
MountingKnown for oneVertical/Horizontal
Performance1 differ
Optical drive typeKnown for oneDVD±RW
InterfaceDiffersUSB 2.0Serial ATA
LightScribeKnown for oneYes
Optical disc diameterKnown for one80 mm
Mean time between failures (MTBF)Known for one60000 h
Writing speed7 differ
CD write speedDiffers24x48x
CD rewrite speedDiffers24x32x
DVD+R Double Layer write speedDiffers4x12x
DVD+R write speedDiffers8x22x
DVD+RW write speed8x8x
DVD-R Double Layer write speedDiffers4x12x
DVD-R write speedDiffers8x22x
DVD-RAM write speedDiffers5x12x
DVD-RW write speed6x6x
CD-R write speedKnown for one48x
CD-RW write speedKnown for one32x
Reading speed1 differ
CD read speedDiffers24x48x
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 read speedKnown for one16x
DVD-RAM read speedKnown for one12x
DVD-ROM read speedKnown for one16x
DVD-RW read speedKnown for one12x
DVD+R Double Layer read speedKnown for one12x
Access timeidentical
DVD drive average random access timeKnown for one100 ms
CD-ROM drive average random access timeKnown for one95 ms
Record modesidentical
Disc-at-once (DAO)Known for oneYes
Fixed packetKnown for oneYes
Multi sessionKnown for oneYes
Over-burn writingKnown for oneYes
Packet writingKnown for oneYes
Session-at-once (SAO)Known for oneYes
Track-at-once (TAO)Known for oneYes
Variable packetKnown for oneYes
Operational conditionsidentical
Operating relative humidity (H-H)Known for one8 - 80%
Operating temperature (T-T)Known for one10 - 35 °C
Storage temperature (T-T)Known for one-20 - 70 °C
Weight & dimensionsidentical
WidthKnown for one155 mm
DepthKnown for one150 mm
HeightKnown for one20 mm
WeightKnown for one350 g
Other features2 differ
Minimum RAMKnown for one256 MB
Minimum processorKnown for onePentium III/AMD Duron 900 MHz
Compatible operating systemsDiffersWindows XP/Vista/7Windows Vista/XP/7
FireWire 400Known for oneNo
FireWire 800Known for oneNo
Maximum data transfer rateKnown for one480 Mbit/s
Number of optical discsKnown for one1 discs
S/PDIF out portKnown for oneNo
Size (imperial)Known for one13.3 cm (5.25")
USB 2.0 ports quantityDiffers10
Read speedKnown for one22 MB/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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