Product comparison · 2 optical disc drives

LG GGCH20L optical disc drive Internal Black vs LG GSA-T40N optical disc drive Internal Black

11specifications compared
8differ
3identical
30known for one product only

Key differences

Interface
- GGCH20L optical disc drive Internal Black:Serial ATA
- GSA-T40N optical disc drive Internal Black:EIDE/ATA
Drive device, buffer size
- GGCH20L optical disc drive Internal Black:4 MB
- GSA-T40N optical disc drive Internal Black:2 MB
CD write speed
- GGCH20L optical disc drive Internal Black:40x
- GSA-T40N optical disc drive Internal Black:24x
CD rewrite speed
- GGCH20L optical disc drive Internal Black:24x
- GSA-T40N optical disc drive Internal Black:16x
CD read speed
- GGCH20L optical disc drive Internal Black:40x
- GSA-T40N optical disc drive Internal Black:24x
CD-ROM drive average random access time
- GGCH20L optical disc drive Internal Black:150 ms
- GSA-T40N optical disc drive Internal Black:140 ms
Weight
- GGCH20L optical disc drive Internal Black:870 g
- GSA-T40N optical disc drive Internal Black:170 g
Dimensions (WxDxH)
- GGCH20L optical disc drive Internal Black:146 x 41.3 x 185 mm
- GSA-T40N optical disc drive Internal Black:128 x 12.7 x 127 mm

Side by side

Differences highlightedShow differences only

Comparison of GGCH20L, GSA-T40N
41 specifications	A LG GGCH20L optical disc drive Internal Black Model GGCH20L View product	B LG GSA-T40N optical disc drive Internal Black Model GSA-T40N View product
Designidentical
Disc loading typeKnown for one	Tray	Unknown — not stated by the source
MountingKnown for one	Vertical/Horizontal	Unknown — not stated by the source
Performance2 differ
InterfaceDiffers	Serial ATA	EIDE/ATA
Drive device, buffer sizeDiffers	4 MB	2 MB
Writing speed2 differ
CD write speedDiffers	40x	24x
CD rewrite speedDiffers	24x	16x
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 speedKnown for one	4x	Unknown — not stated by the source
DVD+R write speedKnown for one	16x	Unknown — not stated by the source
DVD+RW write speedKnown for one	8x	Unknown — not stated by the source
DVD-R Double Layer write speedKnown for one	4x	Unknown — not stated by the source
DVD-R write speedKnown for one	16x	Unknown — not stated by the source
DVD-RAM write speedKnown for one	5x	Unknown — not stated by the source
DVD-RW write speedKnown for one	6x	Unknown — not stated by the source
Reading speed1 differ
CD read speedDiffers	40x	24x
BD-ROM read speedKnown for one	6x	Unknown — not stated by the source
DVD+R read speedKnown for one	16x	Unknown — not stated by the source
DVD-R read speedKnown for one	16x	Unknown — not stated by the source
Access time1 differ
BD-ROM average random access timeKnown for one	180 ms	Unknown — not stated by the source
CD-ROM drive average random access timeDiffers	150 ms	140 ms
Record modesidentical
Disc-at-once (DAO)Known for one	Yes	Unknown — not stated by the source
Layer Jump RecordingKnown for one	Yes	Unknown — not stated by the source
Packet writingKnown for one	Yes	Unknown — not stated by the source
Random writeKnown for one	Yes	Unknown — not stated by the source
Sequential writingKnown 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 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 & dimensions1 differ
WeightDiffers	870 g	170 g
Other features1 differ
Power requirementsKnown for one	+12V / +5V DC	Unknown — not stated by the source
Media types supportedKnown for one	BD-ROM SL, BD-ROM DL, BD-RE SL, BD-RE DL, BD-R SL, BD-R DL, HD DVD-ROM SL, HD DVD-ROM DL	Unknown — not stated by the source
Dimensions (WxDxH)Differs	146 x 41.3 x 185 mm	128 x 12.7 x 127 mm
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows 2000 Professional, Windows Vista, XP Home Edition / Professional / Media Center Edition
Packaging contentidentical
Bundled softwareKnown for one	Unknown — not stated by the source	-Nero Express -InCD -Power Producer -Power DVD

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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