Product comparison · 2 optical disc drives

LG GH20LS DVD+/-RW vs LG GSA-T40N optical disc drive Internal Black

13specifications compared
10differ
3identical
20known for one product only

Key differences

Interface
- GH20LS DVD+/-RW:Serial ATA
- GSA-T40N optical disc drive Internal Black:EIDE/ATA
CD write speed
- GH20LS DVD+/-RW:48x
- GSA-T40N optical disc drive Internal Black:24x
CD rewrite speed
- GH20LS DVD+/-RW:32x
- GSA-T40N optical disc drive Internal Black:16x
CD read speed
- GH20LS DVD+/-RW:48x
- GSA-T40N optical disc drive Internal Black:24x
DVD drive average random access time
- GH20LS DVD+/-RW:140 ms
- GSA-T40N optical disc drive Internal Black:160 ms
CD-ROM drive average random access time
- GH20LS DVD+/-RW:120 ms
- GSA-T40N optical disc drive Internal Black:140 ms
Weight
- GH20LS DVD+/-RW:780 g
- GSA-T40N optical disc drive Internal Black:170 g
Dimensions (WxDxH)
- GH20LS DVD+/-RW:146 x 41.3 x 165 mm
- GSA-T40N optical disc drive Internal Black:128 x 12.7 x 127 mm

Side by side

Differences highlightedShow differences only

Comparison of GH20LS DVD+/-RW, GSA-T40N
33 specifications	A LG GH20LS DVD+/-RW View product	B LG GSA-T40N optical disc drive Internal Black Model GSA-T40N View product
Designidentical
Internal	Yes	Yes
Product colour	Black	Black
Performance1 differ
InterfaceDiffers	Serial ATA	EIDE/ATA
Drive device, buffer size	2 MB	2 MB
Writing speed2 differ
CD write speedDiffers	48x	24x
CD rewrite speedDiffers	32x	16x
CD-RW write speedKnown for one	32x	Unknown — not stated by the source
DVD+R Double Layer write speedKnown for one	10x	Unknown — not stated by the source
DVD+R write speedKnown for one	20x	Unknown — not stated by the source
DVD+RW write speedKnown for one	8x	Unknown — not stated by the source
DVD-R Double Layer write speedKnown for one	10x	Unknown — not stated by the source
DVD-R write speedKnown for one	20x	Unknown — not stated by the source
DVD-RAM write speedKnown for one	12x	Unknown — not stated by the source
DVD-RW write speedKnown for one	6x	Unknown — not stated by the source
Reading speed1 differ
CD read speedDiffers	48x	24x
DVD-R Double Layer read speedKnown for one	12x	Unknown — not stated by the source
DVD-R read speedKnown for one	16x	Unknown — not stated by the source
DVD-RAM read speedKnown for one	5x	Unknown — not stated by the source
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
Access time2 differ
DVD drive average random access timeDiffers	140 ms	160 ms
CD-ROM drive average random access timeDiffers	120 ms	140 ms
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	4 - 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 & dimensions1 differ
WeightDiffers	780 g	170 g
Packaging content1 differ
Bundled softwareDiffers	Nero Express/In CD/PowerDVD/PowerProducerGold/Light Scribe.	-Nero Express -InCD -Power Producer -Power DVD
Other features2 differ
Power requirementsKnown for one	+12V / +5V DC	Unknown — not stated by the source
Dimensions (WxDxH)Differs	146 x 41.3 x 165 mm	128 x 12.7 x 127 mm
Minimum RAMKnown for one	512 MB	Unknown — not stated by the source
Minimum processorKnown for one	Pentium-4 1,4GHz	Unknown — not stated by the source
Compatible operating systemsDiffers	Windows ME/2000/XP/Vista	Windows 2000 Professional, Windows Vista, XP Home Edition / Professional / Media Center Edition

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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