LG GH20LS optical disc drive Internal Black vs LG GH20LS15 bulk

Comparison of GH20LS, GH20LS15 bulk

43 specifications	A LG GH20LS optical disc drive Internal Black Model GH20LS View product	B LG GH20LS15 bulkView product
Designidentical
Internal	Yes	Yes
Product colour	Black	Black
MountingKnown for one	—Unknown — not stated by the source	Vertical/Horizontal
Performanceidentical
Interface	Serial ATA	Serial ATA
LightScribeKnown for one	—Unknown — not stated by the source	Yes
Drive device, buffer size	2 MB	2 MB
Writing speedidentical
CD write speed	48x	48x
CD rewrite speed	32x	32x
CD-RW write speed	32x	32x
DVD+R Double Layer write speed	10x	10x
DVD+R write speed	20x	20x
DVD+RW write speed	8x	8x
DVD-R Double Layer write speed	10x	10x
DVD-R write speed	20x	20x
DVD-RAM write speed	12x	12x
DVD-RW write speed	6x	6x
Reading speed1 differ
CD read speedDiffers	48x	18x
DVD-R Double Layer read speed	12x	12x
DVD-R read speed	16x	16x
DVD-RAM read speed	5x	5x
DVD-RW read speed	13x	13x
DVD+R Double Layer read speed	12x	12x
Access timeidentical
DVD drive average random access time	140 ms	140 ms
CD-ROM drive average random access time	120 ms	120 ms
Record modesidentical
Disc-at-once (DAO)Known for one	—Unknown — not stated by the source	Yes
Layer Jump RecordingKnown for one	—Unknown — not stated by the source	Yes
Multi sessionKnown for one	—Unknown — not stated by the source	Yes
Packet writingKnown for one	—Unknown — not stated by the source	Yes
Random writeKnown for one	—Unknown — not stated by the source	Yes
Sequential writingKnown for one	—Unknown — not stated by the source	Yes
Session-at-once (SAO)Known for one	—Unknown — not stated by the source	Yes
Track-at-once (TAO)Known for one	—Unknown — not stated by the source	Yes
Operational conditionsidentical
Operating relative humidity (H-H)	15 - 85%	15 - 85%
Operating temperature (T-T)	5 - 45 °C	5 - 45 °C
Storage relative humidity (H-H)	10 - 90%	10 - 90%
Storage temperature (T-T)	-30 - 60 °C	-30 - 60 °C
Weight & dimensionsidentical
Weight	780 g	780 g
Packaging contentidentical
Bundled software	Nero Express, In CD, PowerDVD, PowerProducer Gold, Light Scribe	Nero Express, In CD, PowerDVD, PowerProducer Gold, Light Scribe
Other featuresidentical
Power requirements	+12V / +5V DC	+12V / +5V DC
Dimensions (WxDxH)	146 x 41.3 x 165 mm	146 x 41.3 x 165 mm
Minimum RAM	512 MB	512 MB
Minimum processor	Pentium-4 1,4GHz	Pentium-4 1,4GHz
Compatible operating systems	Windows ME, Windows 2000 Professional/ Windows XP Home Edition, Professional, Windows Vista	Windows ME, Windows 2000 Professional/ Windows XP Home Edition, Professional, Windows Vista

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.