Product comparison · 2 optical disc drives

LG GP30NW optical disc drive DVD±RW White vs LG GP30NW40 optical disc drive White

19specifications compared
6differ
13identical
34known for one product only

Key differences

DVD drive average random access time
- GP30NW optical disc drive DVD±RW White:160 ms
- GP30NW40 optical disc drive White:140 ms
CD-ROM drive average random access time
- GP30NW optical disc drive DVD±RW White:140 ms
- GP30NW40 optical disc drive White:120 ms
Width
- GP30NW optical disc drive DVD±RW White:128 mm
- GP30NW40 optical disc drive White:135.5 mm
Depth
- GP30NW optical disc drive DVD±RW White:127 mm
- GP30NW40 optical disc drive White:144 mm
Height
- GP30NW optical disc drive DVD±RW White:12.7 mm
- GP30NW40 optical disc drive White:19 mm

Side by side

Differences highlightedShow differences only

Comparison of GP30NW, GP30NW40
53 specifications	A LG GP30NW optical disc drive DVD±RW White Model GP30NW View product	B LG GP30NW40 optical disc drive White Model GP30NW40 View product
Designidentical
Internal	No	No
Product colour	White	White
CertificationKnown for one	Unknown — not stated by the source	UL, CSA, TÜV, SEMKO
Performance1 differ
Optical drive typeKnown for one	DVD±RW	Unknown — not stated by the source
Disc types supportedDiffers	CD, CD-R, CD-RW, DVD+R, DVD+R DL, DVD+RW, DVD-R, DVD-R DL, DVD-RAM, DVD-ROM, DVD-RW	CD, CD-R, CD-RW, DVD, DVD+R, DVD+R DL, DVD+RW, DVD-R, DVD-R DL, DVD-RAM, DVD-RW
Interface	USB 2.0	USB 2.0
Drive device, buffer sizeKnown for one	2 MB	Unknown — not stated by the source
DVD-ROM transfer rate (sustained mode)Known for one	11.08 MB/s	Unknown — not stated by the source
LightScribeKnown for one	Unknown — not stated by the source	No
Optical disc diameterKnown for one	Unknown — not stated by the source	120 mm
Writing speedidentical
CD write speedKnown for one	24x	Unknown — not stated by the source
CD rewrite speedKnown for one	16x	Unknown — not stated by the source
CD-R write speedKnown for one	24x	Unknown — not stated by the source
CD-RW write speedKnown for one	16x	Unknown — not stated by the source
DVD+R Double Layer write speedKnown for one	6x	Unknown — not stated by the source
DVD+R write speed	8x	8x
DVD+RW write speed	8x	8x
DVD-R Double Layer write speedKnown for one	6x	Unknown — not stated by the source
DVD-R write speed	8x	8x
DVD-RAM write speed	5x	5x
DVD-RW write speed	6x	6x
Reading speedidentical
CD read speedKnown for one	24x	Unknown — not stated by the source
CD-R read speedKnown for one	24x	Unknown — not stated by the source
CD-ROM read speedKnown for one	24x	Unknown — not stated by the source
CD-RW read speedKnown for one	24x	Unknown — not stated by the source
DVD+R read speed	8x	8x
DVD-R Double Layer read speedKnown for one	6x	Unknown — not stated by the source
DVD-R read speed	8x	8x
DVD-RAM read speedKnown for one	5x	Unknown — not stated by the source
DVD-ROM read speed	8x	8x
DVD-RW read speed	8x	8x
DVD+R Double Layer read speedKnown for one	6x	Unknown — not stated by the source
DVD+RW read speed	8x	8x
Access time2 differ
DVD drive average random access timeDiffers	160 ms	140 ms
CD-ROM drive average random access timeDiffers	140 ms	120 ms
DVD-RAM access timeKnown for one	Unknown — not stated by the source	250 ms
Record modesidentical
Disc-at-once (DAO)Known for one	Yes	Unknown — not stated by the source
Random writeKnown 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 temperature (T-T)Known for one	5 - 50 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-30 - 60 °C	Unknown — not stated by the source
Weight & dimensions3 differ
WidthDiffers	128 mm	135.5 mm
DepthDiffers	127 mm	144 mm
HeightDiffers	12.7 mm	19 mm
WeightKnown for one	270 g	Unknown — not stated by the source
Other featuresidentical
Minimum RAMKnown for one	256 MB	Unknown — not stated by the source
Minimum processorKnown for one	Pentium III 1.0GHz	Unknown — not stated by the source
Minimum storage drive spaceKnown for one	20 GB	Unknown — not stated by the source
Compatible operating systemsKnown for one	Windows 2000/XP/Vista, Mac OS X	Unknown — not stated by the source
Number of optical discsKnown for one	1 discs	Unknown — not stated by the source
USB 2.0 ports quantityKnown for one	1	Unknown — not stated by the source
Buffer sizeKnown for one	Unknown — not stated by the source	2048 KB

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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