Product comparison · 2 optical disc drives

LG DH18NS optical disc drive DVD-ROM Black vs LG GH22LP21 optical disc drive Internal DVD±R/RW Black

7specifications compared
6differ
1identical
29known for one product only

Key differences

Internal
- DH18NS optical disc drive DVD-ROM Black:No
- GH22LP21 optical disc drive Internal DVD±R/RW Black:Yes
Optical drive type
- DH18NS optical disc drive DVD-ROM Black:DVD-ROM
- GH22LP21 optical disc drive Internal DVD±R/RW Black:DVD±R/RW
Interface
- DH18NS optical disc drive DVD-ROM Black:Serial ATA
- GH22LP21 optical disc drive Internal DVD±R/RW Black:EIDE/ATA
CD read speed
- DH18NS optical disc drive DVD-ROM Black:52x
- GH22LP21 optical disc drive Internal DVD±R/RW Black:48x
DVD+R read speed
- DH18NS optical disc drive DVD-ROM Black:18x
- GH22LP21 optical disc drive Internal DVD±R/RW Black:16x
DVD-R read speed
- DH18NS optical disc drive DVD-ROM Black:18x
- GH22LP21 optical disc drive Internal DVD±R/RW Black:16x

Side by side

Differences highlightedShow differences only

Comparison of DH18NS, GH22LP21
36 specifications	A LG DH18NS optical disc drive DVD-ROM Black Model DH18NS View product	B LG GH22LP21 optical disc drive Internal DVD±R/RW Black Model GH22LP21 View product
Design1 differ
InternalDiffers	No	Yes
Product colour	Black	Black
Disc loading typeKnown for one	Unknown — not stated by the source	Tray
Performance2 differ
Optical drive typeDiffers	DVD-ROM	DVD±R/RW
InterfaceDiffers	Serial ATA	EIDE/ATA
LightScribeKnown for one	Unknown — not stated by the source	Yes
Drive device, buffer sizeKnown for one	Unknown — not stated by the source	2 MB
DVD-ROM transfer rate (sustained mode)Known for one	Unknown — not stated by the source	22.16 MB/s
Writing speedidentical
CD write speedKnown for one	Unknown — not stated by the source	48x
CD rewrite speedKnown for one	Unknown — not stated by the source	32x
CD-R write speedKnown for one	Unknown — not stated by the source	48x
CD-RW write speedKnown for one	Unknown — not stated by the source	32x
DVD+R Double Layer write speedKnown for one	Unknown — not stated by the source	16x
DVD+R write speedKnown for one	Unknown — not stated by the source	22x
DVD+RW write speedKnown for one	Unknown — not stated by the source	8x
DVD-R Double Layer write speedKnown for one	Unknown — not stated by the source	12x
DVD-R write speedKnown for one	Unknown — not stated by the source	22x
DVD-RAM write speedKnown for one	Unknown — not stated by the source	12x
DVD-RW write speedKnown for one	Unknown — not stated by the source	6x
Reading speed3 differ
CD read speedDiffers	52x	48x
CD-R read speedKnown for one	Unknown — not stated by the source	48x
CD-ROM read speedKnown for one	Unknown — not stated by the source	48x
CD-RW read speedKnown for one	Unknown — not stated by the source	40x
DVD+R read speedDiffers	18x	16x
DVD-R Double Layer read speedKnown for one	Unknown — not stated by the source	12x
DVD-R read speedDiffers	18x	16x
DVD-ROM read speedKnown for one	Unknown — not stated by the source	16x
DVD-RW read speedKnown for one	Unknown — not stated by the source	12x
DVD+R Double Layer read speedKnown for one	Unknown — not stated by the source	12x
DVD+RW read speedKnown for one	Unknown — not stated by the source	12x
Weight & dimensionsidentical
WeightKnown for one	Unknown — not stated by the source	800 g
Packaging contentidentical
ManualKnown for one	Unknown — not stated by the source	Yes
Other featuresidentical
Media types supportedKnown for one	Unknown — not stated by the source	CD-R, CD-RW, DVD-R, DVD-R DL, DVD-RW, DVD-RW DL, DVD-RAM, DVD+R, DVD+R DL, DVD+RW
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	146 x 165 x 41.3 mm
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows XP Windows Vista
Number of optical discsKnown for one	Unknown — not stated by the source	1 discs

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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