LG GSA-H55 vs LG GSA-H55NR DVD+/-RW 20xDL10x12xRAM

Comparison of GSA-H55N, GSA-H55NR DVD+/-RW 20xDL10x12xRAM

46 specifications	A LG GSA-H55 Model GSA-H55N View product	B LG GSA-H55NR DVD+/-RW 20xDL10x12xRAMView product
Designidentical
Internal	Yes	Yes
Disc loading type	Tray	Tray
MountingKnown for one	—Unknown — not stated by the source	Vertical/Horizontal
Product colourKnown for one	Black	—Unknown — not stated by the source
Performanceidentical
Interface	EIDE/ATA	EIDE/ATA
Drive device, buffer size	2 MB	2 MB
Writing speedidentical
CD write speed	48x	48x
CD rewrite speed	32x	32x
CD-R write speed	48x	48x
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-RW write speed	6x	6x
DVD-RAM write speedKnown for one	12x	—Unknown — not stated by the source
Reading speed1 differ
CD read speed	48x	48x
CD-R read speed	48x	48x
CD-ROM read speed	48x	48x
CD-RW read speed	40x	40x
DVD+R read speed	16x	16x
DVD-R Double Layer read speed	12x	12x
DVD-R read speed	16x	16x
DVD-RAM read speed	12x	12x
DVD-ROM read speedDiffers	12x	16x
DVD-RW read speed	12x	12x
DVD+R Double Layer read speed	12x	12x
DVD+RW 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
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 temperature (T-T)Known for one	—Unknown — not stated by the source	5 - 45 °C
Storage temperature (T-T)Known for one	—Unknown — not stated by the source	-30 - 60 °C
Weight & dimensionsidentical
WeightKnown for one	—Unknown — not stated by the source	780 g
Packaging contentidentical
Bundled softwareKnown for one	—Unknown — not stated by the source	Nero Express, In CD, PowerDVD, PowerProducer Gold.
Other features1 differ
Dimensions (WxDxH)	146 x 41.3 x 165 mm	146 x 41.3 x 165 mm
Minimum RAMKnown for one	—Unknown — not stated by the source	512 MB
Minimum processorKnown for one	—Unknown — not stated by the source	Pentium-4 1,4GHz
Compatible operating systemsDiffers	Windows ME/Vista/2000/XP/Media Center	Windows ME, Windows 2000 Professional, Windows XP Home Edition, Professional, Media Center Edition, Windows Vista.
Maximum data transfer rateKnown for one	—Unknown — not stated by the source	24.93 Mbit/s

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.