Product comparison · 2 optical disc drives

LG DH18NS optical disc drive DVD-ROM Black vs LG GT40N optical disc drive Internal DVD±R/RW

6specifications compared
5differ
1identical
25known for one product only

Key differences

Internal
- DH18NS optical disc drive DVD-ROM Black:No
- GT40N optical disc drive Internal DVD±R/RW:Yes
Optical drive type
- DH18NS optical disc drive DVD-ROM Black:DVD-ROM
- GT40N optical disc drive Internal DVD±R/RW:DVD±R/RW
CD read speed
- DH18NS optical disc drive DVD-ROM Black:52x
- GT40N optical disc drive Internal DVD±R/RW:24x
DVD+R read speed
- DH18NS optical disc drive DVD-ROM Black:18x
- GT40N optical disc drive Internal DVD±R/RW:8x
DVD-R read speed
- DH18NS optical disc drive DVD-ROM Black:18x
- GT40N optical disc drive Internal DVD±R/RW:8x

Side by side

Differences highlightedShow differences only

Comparison of DH18NS, GT40N
31 specifications	A LG DH18NS optical disc drive DVD-ROM Black Model DH18NS View product	B LG GT40N optical disc drive Internal DVD±R/RW Model GT40N View product
Design1 differ
InternalDiffers	No	Yes
Product colourKnown for one	Black	Unknown — not stated by the source
Performance1 differ
Optical drive typeDiffers	DVD-ROM	DVD±R/RW
Interface	Serial ATA	Serial ATA
Writing speedidentical
CD write speedKnown for one	Unknown — not stated by the source	24x
CD rewrite speedKnown for one	Unknown — not stated by the source	24x
DVD+R Double Layer write speedKnown for one	Unknown — not stated by the source	6x
DVD+R write speedKnown for one	Unknown — not stated by the source	8x
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	6x
DVD-R write speedKnown for one	Unknown — not stated by the source	8x
DVD-RAM write speedKnown for one	Unknown — not stated by the source	5x
DVD-RW write speedKnown for one	Unknown — not stated by the source	6x
Reading speed3 differ
CD read speedDiffers	52x	24x
CD-R read speedKnown for one	Unknown — not stated by the source	24x
CD-ROM read speedKnown for one	Unknown — not stated by the source	24x
CD-RW read speedKnown for one	Unknown — not stated by the source	24x
DVD+R read speedDiffers	18x	8x
DVD-R Double Layer read speedKnown for one	Unknown — not stated by the source	8x
DVD-R read speedDiffers	18x	8x
DVD-RAM read speedKnown for one	Unknown — not stated by the source	5x
DVD-ROM read speedKnown for one	Unknown — not stated by the source	8x
DVD-RW read speedKnown for one	Unknown — not stated by the source	8x
DVD+R Double Layer read speedKnown for one	Unknown — not stated by the source	8x
DVD+RW read speedKnown for one	Unknown — not stated by the source	8x
Access timeidentical
DVD drive average random access timeKnown for one	Unknown — not stated by the source	160 ms
CD-ROM drive average random access timeKnown for one	Unknown — not stated by the source	140 ms
Weight & dimensionsidentical
HeightKnown for one	Unknown — not stated by the source	12.7 mm
WeightKnown for one	Unknown — not stated by the source	162 g
Other featuresidentical
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	128 x 127 x 12.7 mm
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows 7, Windows VistaTM, Windows XP

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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