Product comparison · 2 optical disc drives

LG DH18NS optical disc drive DVD-ROM Black vs LG GH22NP21 optical disc drive Internal

5specifications compared
5differ
0identical
33known for one product only

Key differences

Internal
- DH18NS optical disc drive DVD-ROM Black:No
- GH22NP21 optical disc drive Internal:Yes
Interface
- DH18NS optical disc drive DVD-ROM Black:Serial ATA
- GH22NP21 optical disc drive Internal:IDE/ATA
CD read speed
- DH18NS optical disc drive DVD-ROM Black:52x
- GH22NP21 optical disc drive Internal:48x
DVD+R read speed
- DH18NS optical disc drive DVD-ROM Black:18x
- GH22NP21 optical disc drive Internal:16x
DVD-R read speed
- DH18NS optical disc drive DVD-ROM Black:18x
- GH22NP21 optical disc drive Internal:16x

Side by side

Differences highlightedShow differences only

Comparison of DH18NS, GH22NP21
38 specifications	A LG DH18NS optical disc drive DVD-ROM Black Model DH18NS View product	B LG GH22NP21 optical disc drive Internal Model GH22NP21 View product
Design1 differ
InternalDiffers	No	Yes
Disc loading typeKnown for one	Unknown — not stated by the source	Tray
MountingKnown for one	Unknown — not stated by the source	Horizontal
Product colourKnown for one	Black	Unknown — not stated by the source
Performance1 differ
InterfaceDiffers	Serial ATA	IDE/ATA
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
Optical drive typeKnown for one	DVD-ROM	Unknown — not stated by the source
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-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	10x
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-RAM read speedKnown for one	Unknown — not stated by the source	12x
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
Access timeidentical
DVD drive average random access timeKnown for one	Unknown — not stated by the source	140 ms
CD-ROM drive average random access timeKnown for one	Unknown — not stated by the source	120 ms
Weight & dimensionsidentical
WeightKnown for one	Unknown — not stated by the source	800 g
Other featuresidentical
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 Vista/XP/2000 Pro/ME
Host interfaceKnown for one	Unknown — not stated by the source	E-IDE (ATAPI)
Dimensions (W x D x H) (imperial)Known for one	Unknown — not stated by the source	144.8 x 40.6 x 165.1 mm (5.7 x 1.6 x 6.5")
Sustained data rateKnown for one	Unknown — not stated by the source	7.2 MB/s
Weight (imperial)Known for one	Unknown — not stated by the source	0.798 kg (1.76 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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