Product comparison · 2 optical disc drives

LG GT20N optical disc drive Internal Black vs MSI External DVD+/-RW for X320/340, Black

12specifications compared
4differ
8identical
17known for one product only

Key differences

Internal
- GT20N optical disc drive Internal Black:Yes
- External DVD+/-RW for X320/340, Black:No
Drive device, buffer size
- GT20N optical disc drive Internal Black:1 MB
- External DVD+/-RW for X320/340, Black:2 MB
DVD-R Double Layer write speed
- GT20N optical disc drive Internal Black:8x
- External DVD+/-RW for X320/340, Black:6x
DVD-RW write speed
- GT20N optical disc drive Internal Black:6x
- External DVD+/-RW for X320/340, Black:8x

Side by side

Differences highlightedShow differences only

Comparison of GT20N, External DVD+/-RW for X320/340, Black
29 specifications	A LG GT20N optical disc drive Internal Black Model GT20N View product	B MSI External DVD+/-RW for X320/340, Black View product
Design1 differ
InternalDiffers	Yes	No
Product colour	Black	Black
Performance1 differ
InterfaceKnown for one	Serial ATA	Unknown — not stated by the source
Drive device, buffer sizeDiffers	1 MB	2 MB
Writing speed2 differ
CD write speed	24x	24x
CD rewrite speed	24x	24x
DVD+R Double Layer write speed	6x	6x
DVD+R write speed	8x	8x
DVD+RW write speed	8x	8x
DVD-R Double Layer write speedDiffers	8x	6x
DVD-RAM write speed	5x	5x
DVD-RW write speedDiffers	6x	8x
CD-R write speedKnown for one	Unknown — not stated by the source	24x
CD-RW write speedKnown for one	Unknown — not stated by the source	24x
DVD-R write speedKnown for one	Unknown — not stated by the source	8x
Reading speedidentical
CD read speed	24x	24x
DVD-R Double Layer read speedKnown for one	Unknown — not stated by the source	6x
DVD-ROM read speedKnown for one	Unknown — not stated by the source	8x
DVD+R Double Layer read speedKnown for one	Unknown — not stated by the source	6x
Access timeidentical
DVD drive average random access timeKnown for one	160 ms	Unknown — not stated by the source
CD-ROM drive average random access timeKnown for one	140 ms	Unknown — not stated by the source
Record modesidentical
Disc-at-once (DAO)Known for one	Yes	Unknown — not stated by the source
Multi sessionKnown 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
Weight & dimensionsidentical
HeightKnown for one	12.7 mm	Unknown — not stated by the source
WeightKnown for one	170 g	Unknown — not stated by the source
Other featuresidentical
Dimensions (WxDxH)Known for one	128 x 127 x 12.7 mm	Unknown — not stated by the source
Drive device, transfer rateKnown for one	3.6 MB/s	Unknown — not stated by the source

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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