Product comparison · 2 optical disc drives

LG GP40NB40 optical disc drive DVD±R/RW Black vs LG UH12NS29 optical disc drive Internal Black

26specifications compared
20differ
6identical
25known for one product only

Key differences

Internal
- GP40NB40 optical disc drive DVD±R/RW Black:No
- UH12NS29 optical disc drive Internal Black:Yes
CD-R write speed
- GP40NB40 optical disc drive DVD±R/RW Black:24x
- UH12NS29 optical disc drive Internal Black:48x
DVD+R Double Layer write speed
- GP40NB40 optical disc drive DVD±R/RW Black:6x
- UH12NS29 optical disc drive Internal Black:8x
DVD+R write speed
- GP40NB40 optical disc drive DVD±R/RW Black:8x
- UH12NS29 optical disc drive Internal Black:16x
DVD-R Double Layer write speed
- GP40NB40 optical disc drive DVD±R/RW Black:6x
- UH12NS29 optical disc drive Internal Black:8x
DVD-R write speed
- GP40NB40 optical disc drive DVD±R/RW Black:8x
- UH12NS29 optical disc drive Internal Black:16x
DVD-RAM write speed
- GP40NB40 optical disc drive DVD±R/RW Black:4x
- UH12NS29 optical disc drive Internal Black:12x
CD-R read speed
- GP40NB40 optical disc drive DVD±R/RW Black:24x
- UH12NS29 optical disc drive Internal Black:48x

Side by side

Differences highlightedShow differences only

Comparison of GP40NB40, UH12NS29
51 specifications	A LG GP40NB40 optical disc drive DVD±R/RW Black Model GP40NB40 View product	B LG UH12NS29 optical disc drive Internal Black Model UH12NS29 View product
Design1 differ
InternalDiffers	No	Yes
Product colour	Black	Black
Mounting	Horizontal	Horizontal
CertificationKnown for one	TUV, SEMKO, FDA, GOST, NOM, CSA	Unknown — not stated by the source
Performanceidentical
Optical drive typeKnown for one	DVD±R/RW	Unknown — not stated by the source
InterfaceKnown for one	USB 2.0	Unknown — not stated by the source
LightScribe	No	No
Optical disc diameterKnown for one	Unknown — not stated by the source	120 mm
DVD-ROM transfer rate (sustained mode)Known for one	Unknown — not stated by the source	22.16 MB/s
Writing speed6 differ
CD write speedKnown for one	24x	Unknown — not stated by the source
CD rewrite speedKnown for one	24x	Unknown — not stated by the source
CD-R write speedDiffers	24x	48x
CD-RW write speed	24x	24x
DVD+R Double Layer write speedDiffers	6x	8x
DVD+R write speedDiffers	8x	16x
DVD+RW write speed	8x	8x
DVD-R Double Layer write speedDiffers	6x	8x
DVD-R write speedDiffers	8x	16x
DVD-RAM write speedDiffers	4x	12x
DVD-RW write speed	6x	6x
Reading speed9 differ
CD read speedKnown for one	24x	Unknown — not stated by the source
CD-R read speedDiffers	24x	48x
CD-RW read speedDiffers	24x	40x
DVD+R read speedDiffers	8x	16x
DVD-R Double Layer read speedDiffers	8x	12x
DVD-R read speedDiffers	8x	16x
DVD-RAM read speedKnown for one	5x	Unknown — not stated by the source
DVD-ROM read speedDiffers	8x	16x
DVD-RW read speedDiffers	8x	12x
DVD+R Double Layer read speedDiffers	8x	12x
DVD+RW read speedDiffers	8x	12x
CD-ROM read speedKnown for one	Unknown — not stated by the source	48x
BD-R Dual Layer read speedKnown for one	Unknown — not stated by the source	8x
BD-R read speedKnown for one	Unknown — not stated by the source	12x
BD-RE Dual Layer read speedKnown for one	Unknown — not stated by the source	6x
BD-RE read speedKnown for one	Unknown — not stated by the source	8x
BD-ROM read speedKnown for one	Unknown — not stated by the source	10x
Access timeidentical
DVD drive average random access timeKnown for one	203 ms	Unknown — not stated by the source
CD-ROM drive average random access timeKnown for one	139 ms	Unknown — not stated by the source
Weight & dimensions4 differ
WidthDiffers	156.8 mm	146 mm
DepthDiffers	24.6 mm	172 mm
HeightDiffers	146.2 mm	41.3 mm
WeightDiffers	265 g	800 g
Other featuresidentical
Drive device, transfer rateKnown for one	60 MB/s	Unknown — not stated by the source
Maximum data transfer rateKnown for one	11.08 Mbit/s	Unknown — not stated by the source
Number of optical discsKnown for one	1 discs	Unknown — not stated by the source
SafetyKnown for one	CE, C-Tick, EMC, VCCI, FCC	Unknown — not stated by the source
USB 2.0 ports quantityKnown for one	1	Unknown — not stated by the source
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	146 x 172 x 41.3 mm
CD transfer rate (sustained mode)Known for one	Unknown — not stated by the source	7200 KB/s
System requirementsidentical
Windows operating systems supportedKnown for one	Unknown — not stated by the source	Windows 7 Home Premium, Windows 7 Home Premium x64, Windows 7 Professional, Windows 7 Professional x64, Windows 7 Starter, Windows 7 Starter x64, Windows 7 Ultimate, Windows 7 Ultimate x64, Windows Vista Business, Windows Vista Business x64, Windows Vista Home Basic, Windows Vista Home Basic x64, Wi

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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