Product comparison · 2 optical disc drives

LG GH20NS optical disc drive Internal Black vs LG Super Multi Blue Blu-ray Disc Rewriter

20specifications compared
14differ
6identical
33known for one product only

Key differences

Mounting
- GH20NS optical disc drive Internal Black:Vertical/Horizontal
- Super Multi Blue Blu-ray Disc Rewriter:Horizontal
Drive device, buffer size
- GH20NS optical disc drive Internal Black:2 MB
- Super Multi Blue Blu-ray Disc Rewriter:4 MB
CD write speed
- GH20NS optical disc drive Internal Black:48x
- Super Multi Blue Blu-ray Disc Rewriter:24x
CD rewrite speed
- GH20NS optical disc drive Internal Black:32x
- Super Multi Blue Blu-ray Disc Rewriter:16x
DVD+R Double Layer write speed
- GH20NS optical disc drive Internal Black:10x
- Super Multi Blue Blu-ray Disc Rewriter:4x
DVD+R write speed
- GH20NS optical disc drive Internal Black:20x
- Super Multi Blue Blu-ray Disc Rewriter:8x
DVD-R Double Layer write speed
- GH20NS optical disc drive Internal Black:10x
- Super Multi Blue Blu-ray Disc Rewriter:4x
DVD-R write speed
- GH20NS optical disc drive Internal Black:20x
- Super Multi Blue Blu-ray Disc Rewriter:8x

Side by side

Differences highlightedShow differences only

Comparison of GH20NS, Super Multi Blue Blu-ray Disc Rewriter
53 specifications	A LG GH20NS optical disc drive Internal Black Model GH20NS View product	B LG Super Multi Blue Blu-ray Disc Rewriter View product
Design1 differ
Internal	Yes	Yes
Product colour	Black	Black
Disc loading typeKnown for one	Tray	Unknown — not stated by the source
MountingDiffers	Vertical/Horizontal	Horizontal
Performance1 differ
Interface	Serial ATA	Serial ATA
Drive device, buffer sizeDiffers	2 MB	4 MB
Plug and PlayKnown for one	Yes	Unknown — not stated by the source
Writing speed7 differ
CD write speedDiffers	48x	24x
CD rewrite speedDiffers	32x	16x
CD-R write speedKnown for one	48x	Unknown — not stated by the source
CD-RW write speedKnown for one	32x	Unknown — not stated by the source
DVD+R Double Layer write speedDiffers	10x	4x
DVD+R write speedDiffers	20x	8x
DVD+RW write speed	8x	8x
DVD-R Double Layer write speedDiffers	10x	4x
DVD-R write speedDiffers	20x	8x
DVD-RAM write speedDiffers	12x	5x
DVD-RW write speed	6x	6x
BD-R write speedKnown for one	Unknown — not stated by the source	4x
BD-RE write speedKnown for one	Unknown — not stated by the source	2x
Reading speed3 differ
CD read speedDiffers	48x	24x
CD-R read speedKnown for one	48x	Unknown — not stated by the source
CD-ROM read speedKnown for one	48x	Unknown — not stated by the source
CD-RW read speedKnown for one	40x	Unknown — not stated by the source
DVD+R read speedKnown for one	16x	Unknown — not stated by the source
DVD-R Double Layer read speedDiffers	12x	2x
DVD-R read speedKnown for one	16x	Unknown — not stated by the source
DVD-RAM read speed	5x	5x
DVD-ROM read speedDiffers	16x	8x
DVD-RW read speedKnown for one	13x	Unknown — not stated by the source
DVD+R Double Layer read speedKnown for one	12x	Unknown — not stated by the source
DVD+RW read speedKnown for one	13x	Unknown — not stated by the source
BD-ROM read speedKnown for one	Unknown — not stated by the source	4x
Access timeidentical
DVD drive average random access timeKnown for one	175 ms	Unknown — not stated by the source
CD-ROM drive average random access timeKnown for one	120 ms	Unknown — not stated by the source
Record modesidentical
Disc-at-once (DAO)Known for one	Yes	Unknown — not stated by the source
Layer Jump RecordingKnown for one	Yes	Unknown — not stated by the source
Packet writingKnown for one	Yes	Unknown — not stated by the source
Random writeKnown for one	Yes	Unknown — not stated by the source
Sequential writingKnown for one	Yes	Unknown — not stated by the source
Session-at-once (SAO)Known for one	Yes	Unknown — not stated by the source
Track-at-once (TAO)Known for one	Yes	Unknown — not stated by the source
Operational conditionsidentical
Operating relative humidity (H-H)Known for one	15 - 85%	Unknown — not stated by the source
Operating temperature (T-T)Known for one	5 - 45 °C	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	10 - 90%	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-30 - 60 °C	Unknown — not stated by the source
Weight & dimensionsidentical
WeightKnown for one	780 g	Unknown — not stated by the source
Other features2 differ
Power requirementsKnown for one	+12V / +5V DC	Unknown — not stated by the source
Dimensions (WxDxH)Known for one	146 x 41.3 x 165 mm	Unknown — not stated by the source
Minimum RAMDiffers	512 MB	1024 MB
Minimum processorDiffers	Pentium 4 1.4 GHz	3.2 GHz
Compatible operating systemsKnown for one	Windows ME, 2000 Professional, XP Home, Professional, Vista	Unknown — not stated by the source
DC-in jackKnown for one	Unknown — not stated by the source	Yes

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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