LG GH-22NP20 optical disc drive Internal vs LG GH22NP20 Super Multi

Comparison of GH-22NP20, GH22NP20 Super Multi

49 specifications	A LG GH-22NP20 optical disc drive Internal Model GH-22NP20 View product	B LG GH22NP20 Super MultiView product
Designidentical
Internal	Yes	Yes
Disc loading type	Tray	Tray
MountingKnown for one	Vertical/Horizontal	—Unknown — not stated by the source
Product colourKnown for one	—Unknown — not stated by the source	Black
Performanceidentical
Interface	IDE/ATA	IDE/ATA
Drive device, buffer sizeKnown for one	2 MB	—Unknown — not stated by the source
Plug and Play	Yes	Yes
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	16x	16x
DVD+R write speed	22x	22x
DVD+RW write speed	8x	8x
DVD-R Double Layer write speed	12x	12x
DVD-R write speed	22x	22x
DVD-RAM write speed	12x	12x
DVD-RW write speed	6x	6x
Reading speedidentical
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 speed	16x	16x
DVD-RW read speed	13x	13x
DVD+R Double Layer read speed	12x	12x
DVD+RW read speed	13x	13x
Access timeidentical
DVD drive average random access time	175 ms	175 ms
CD-ROM drive average random access time	120 ms	120 ms
Record modesidentical
Disc-at-once (DAO)	Yes	Yes
Layer Jump Recording	Yes	Yes
Packet writing	Yes	Yes
Random write	Yes	Yes
Sequential writing	Yes	Yes
Session-at-once (SAO)	Yes	Yes
Track-at-once (TAO)	Yes	Yes
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
Weight	780 g	780 g
Other featuresidentical
Power requirements	+12V / +5V DC	+12V / +5V DC
Dimensions (WxDxH)	146 x 165 x 41.3 mm	146 x 165 x 41.3 mm
Minimum RAM	512 MB	512 MB
Minimum processor	Pentium 4 1.4GHz	Pentium 4 1.4GHz
Compatible operating systems	Windows ME, 2000 Professional, XP Home, Professional, Vista	Windows ME, 2000 Professional, XP Home, Professional, 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.