Product comparison · 2 optical disc drives

LG GGC-H20L optical disc drive Internal Black vs LG GGWH20L optical disc drive Internal

27specifications compared
9differ
18identical
24known for one product only

Key differences

CD rewrite speed
- GGC-H20L optical disc drive Internal Black:24x
- GGWH20L optical disc drive Internal:40x
DVD+R Double Layer write speed
- GGC-H20L optical disc drive Internal Black:4x
- GGWH20L optical disc drive Internal:12x
DVD+R write speed
- GGC-H20L optical disc drive Internal Black:16x
- GGWH20L optical disc drive Internal:12x
DVD+RW write speed
- GGC-H20L optical disc drive Internal Black:8x
- GGWH20L optical disc drive Internal:10x
DVD-R Double Layer write speed
- GGC-H20L optical disc drive Internal Black:4x
- GGWH20L optical disc drive Internal:12x
DVD-R write speed
- GGC-H20L optical disc drive Internal Black:16x
- GGWH20L optical disc drive Internal:12x
DVD-RW write speed
- GGC-H20L optical disc drive Internal Black:6x
- GGWH20L optical disc drive Internal:10x
Operating relative humidity (H-H)
- GGC-H20L optical disc drive Internal Black:10 - 85%
- GGWH20L optical disc drive Internal:15 - 85%

Side by side

Differences highlightedShow differences only

Comparison of GGC-H20L, GGWH20L
51 specifications	A LG GGC-H20L optical disc drive Internal Black Model GGC-H20L View product	B LG GGWH20L optical disc drive Internal Model GGWH20L View product
Designidentical
Internal	Yes	Yes
Product colourKnown for one	Black	Unknown — not stated by the source
Disc loading type	Tray	Tray
MountingKnown for one	Vertical/Horizontal	Unknown — not stated by the source
Performanceidentical
Interface	Serial ATA	Serial ATA
Drive device, buffer sizeKnown for one	4 MB	Unknown — not stated by the source
Plug and PlayKnown for one	Yes	Unknown — not stated by the source
Writing speed7 differ
CD write speed	40x	40x
CD rewrite speedDiffers	24x	40x
CD-R write speedKnown for one	40x	Unknown — not stated by the source
CD-RW write speedKnown for one	24x	Unknown — not stated by the source
DVD+R Double Layer write speedDiffers	4x	12x
DVD+R write speedDiffers	16x	12x
DVD+RW write speedDiffers	8x	10x
DVD-R Double Layer write speedDiffers	4x	12x
DVD-R write speedDiffers	16x	12x
DVD-RAM write speedKnown for one	5x	Unknown — not stated by the source
DVD-RW write speedDiffers	6x	10x
BD-R write speedKnown for one	Unknown — not stated by the source	6x
BD-RE rewrite speedKnown for one	Unknown — not stated by the source	2x
Reading speedidentical
CD read speed	40x	40x
CD-R read speedKnown for one	40x	Unknown — not stated by the source
CD-ROM read speedKnown for one	40x	Unknown — not stated by the source
CD-RW read speedKnown for one	40x	Unknown — not stated by the source
BD-ROM read speedKnown for one	6x	Unknown — not stated by the source
DVD+R read speedKnown for one	12x	Unknown — not stated by the source
DVD-R Double Layer read speedKnown for one	8x	Unknown — not stated by the source
DVD-R read speedKnown for one	12x	Unknown — not stated by the source
DVD-RAM read speedKnown for one	5x	Unknown — not stated by the source
DVD-ROM read speedKnown for one	16x	Unknown — not stated by the source
DVD-RW read speedKnown for one	10x	Unknown — not stated by the source
DVD+R Double Layer read speedKnown for one	8x	Unknown — not stated by the source
DVD+RW read speedKnown for one	10x	Unknown — not stated by the source
Access timeidentical
DVD drive average random access time	160 ms	160 ms
BD-ROM average random access time	180 ms	180 ms
CD-ROM drive average random access time	150 ms	150 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 conditions1 differ
Operating relative humidity (H-H)Differs	10 - 85%	15 - 85%
Operating temperature (T-T)	5 - 45 °C	5 - 45 °C
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	870 g	870 g
Other features1 differ
Power requirementsKnown for one	+12V / +5V DC	Unknown — not stated by the source
Dimensions (WxDxH)	146 x 41.3 x 185 mm	146 x 41.3 x 185 mm
Compatible operating systemsDiffers	Windows Vista, XP, Media Center	Media Center Edition Windows 2000 Professional Windows XP Home Edition, Professional Windows Vista (x86, x64)

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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