Product comparison · 2 optical disc drives

LG DVD+/-RW GSA-T20N 8x SATA Slim vs LG GSA-4120B optical disc drive Internal White

8specifications compared
5differ
3identical
23known for one product only

Key differences

CD write speed
- DVD+/-RW GSA-T20N 8x SATA Slim:24x
- GSA-4120B optical disc drive Internal White:40x
DVD+R write speed
- DVD+/-RW GSA-T20N 8x SATA Slim:8x
- GSA-4120B optical disc drive Internal White:12x
DVD+RW write speed
- DVD+/-RW GSA-T20N 8x SATA Slim:8x
- GSA-4120B optical disc drive Internal White:4x
DVD-RW write speed
- DVD+/-RW GSA-T20N 8x SATA Slim:8x
- GSA-4120B optical disc drive Internal White:4x
CD read speed
- DVD+/-RW GSA-T20N 8x SATA Slim:24x
- GSA-4120B optical disc drive Internal White:40x

Side by side

Differences highlightedShow differences only

Comparison of DVD+/-RW GSA-T20N 8x SATA Slim, GSA-4120B
31 specifications	A LG DVD+/-RW GSA-T20N 8x SATA Slim View product	B LG GSA-4120B optical disc drive Internal White Model GSA-4120B View product
Designidentical
Internal	Yes	Yes
Product colourKnown for one	Unknown — not stated by the source	White
MountingKnown for one	Unknown — not stated by the source	Vertical/Horizontal
Performanceidentical
InterfaceKnown for one	Unknown — not stated by the source	IDE/ATA
Drive device, buffer sizeKnown for one	Unknown — not stated by the source	2 MB
Writing speed4 differ
CD write speedDiffers	24x	40x
CD rewrite speed	24x	24x
DVD+R write speedDiffers	8x	12x
DVD+RW write speedDiffers	8x	4x
DVD-R write speed	8x	8x
DVD-RAM write speedKnown for one	Unknown — not stated by the source	5x
DVD-RW write speedDiffers	8x	4x
DVD+R Double Layer write speedKnown for one	6x	Unknown — not stated by the source
DVD-R Double Layer write speedKnown for one	6x	Unknown — not stated by the source
Reading speed1 differ
CD read speedDiffers	24x	40x
DVD+R read speedKnown for one	Unknown — not stated by the source	10x
DVD-R read speedKnown for one	Unknown — not stated by the source	10x
DVD-ROM read speedKnown for one	Unknown — not stated by the source	16x
DVD-RW read speedKnown for one	Unknown — not stated by the source	8x
DVD+RW read speedKnown for one	Unknown — not stated by the source	8x
Access timeidentical
DVD drive average random access timeKnown for one	Unknown — not stated by the source	145 ms
CD-ROM drive average random access timeKnown for one	Unknown — not stated by the source	125 ms
Record modesidentical
Disc-at-once (DAO)Known for one	Unknown — not stated by the source	Yes
Fixed packetKnown for one	Unknown — not stated by the source	Yes
Multi sessionKnown 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
Variable packetKnown for one	Unknown — not stated by the source	Yes
Weight & dimensionsidentical
WeightKnown for one	Unknown — not stated by the source	900 g
Packaging contentidentical
Bundled softwareKnown for one	Unknown — not stated by the source	PowerDVD, PowerProducer Gold, Nero Express, In CD, Acrobat Reader
Other featuresidentical
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	146 x 184.7 x 41.3 mm

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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