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Product comparison · 2 optical disc drives

HP Mobile USB DVD/RW Drive vs LG GH22NP21 optical disc drive Internal

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  • 4specifications compared
  • 4differ
  • 0identical
  • 45known for one product only

Key differences

  • Internal
    • No
    • Yes
  • CD read speed
    • 24x
    • 48x
  • CD-ROM read speed
    • 24x
    • 48x
  • Dimensions (WxDxH)
    • 134.8 x 150.8 x 18.54 mm
    • 146 x 165 x 41.3 mm

Side by side

Differences highlightedShow differences only
49 specifications
A

HP

Mobile USB DVD/RW DriveView product
B

LG

GH22NP21 optical disc drive Internal

Model GH22NP21

View product
Design1 differ
InternalDiffersNoYes
Disc loading typeKnown for oneTray
MountingKnown for oneHorizontal
Performanceidentical
InterfaceKnown for oneIDE/ATA
Drive device, buffer sizeKnown for one2 MB
DVD-ROM transfer rate (sustained mode)Known for one22.16 MB/s
Optical drive typeKnown for oneDVD±RW
LightScribeKnown for oneYes
Optical disc diameterKnown for one120 mm
Plug and PlayKnown for oneYes
Writing speedidentical
CD write speedKnown for one48x
CD rewrite speedKnown for one32x
CD-R write speedKnown for one48x
CD-RW write speedKnown for one32x
DVD+R Double Layer write speedKnown for one16x
DVD+R write speedKnown for one22x
DVD+RW write speedKnown for one8x
DVD-R Double Layer write speedKnown for one12x
DVD-R write speedKnown for one22x
DVD-RW write speedKnown for one6x
Reading speed2 differ
CD read speedDiffers24x48x
CD-R read speedKnown for one48x
CD-ROM read speedDiffers24x48x
CD-RW read speedKnown for one10x
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 one12x
DVD-RW read speedKnown for one12x
DVD+R Double Layer read speedKnown for one12x
DVD+RW read speedKnown for one12x
DVD-ROM read speedKnown for one8x
Access timeidentical
DVD drive average random access timeKnown for one140 ms
CD-ROM drive average random access timeKnown for one120 ms
Weight & dimensionsidentical
WeightKnown for one800 g
Other features1 differ
Dimensions (WxDxH)Differs134.8 x 150.8 x 18.54 mm146 x 165 x 41.3 mm
Compatible operating systemsKnown for oneWindows Vista/XP/2000 Pro/ME
Host interfaceKnown for oneE-IDE (ATAPI)
Dimensions (W x D x H) (imperial)Known for one144.8 x 40.6 x 165.1 mm (5.7 x 1.6 x 6.5")
Sustained data rateKnown for one7.2 MB/s
Weight (imperial)Known for one0.798 kg (1.76 lbs)
Media types supportedKnown for oneDVD-R, DVD-RAM, DVD-R DL, DVD+R, DVD+R DL, DVD-RW, DVD+RW, CD-DA, CD-ROM, CD-ROM/XA, Photo-CD, Video-CD, CD-I FMV, CD Extra, CD Plus, CD-R, CD-RW
Minimum system requirementsKnown for oneUSB
Minimum RAMKnown for one512 MB
Minimum processorKnown for oneIntel Pentium III 1.0GHz
Minimum storage drive spaceKnown for one100 GB
DC-in jackKnown for oneYes
USB 2.0 ports quantityKnown for one1
Record modesidentical
Multi sessionKnown for oneYes

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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