Product comparison · 2 optical disc drives

LG GDR-H20N optical disc drive Internal Black vs LG GDR-H30N optical disc drive Internal

8specifications compared
4differ
4identical
9known for one product only

Key differences

Interface
- GDR-H20N optical disc drive Internal Black:Serial ATA
- GDR-H30N optical disc drive Internal:EIDE/ATA
DVD drive average random access time
- GDR-H20N optical disc drive Internal Black:100 ms
- GDR-H30N optical disc drive Internal:160 ms
CD-ROM drive average random access time
- GDR-H20N optical disc drive Internal Black:900 ms
- GDR-H30N optical disc drive Internal:140 ms

Side by side

Differences highlightedShow differences only

Comparison of GDR-H20N, GDR-H30N
17 specifications	A LG GDR-H20N optical disc drive Internal Black Model GDR-H20N View product	B LG GDR-H30N optical disc drive Internal Model GDR-H30N View product
Designidentical
Disc loading typeKnown for one	Unknown — not stated by the source	Tray
Product colourKnown for one	Black	Unknown — not stated by the source
Performance1 differ
InterfaceDiffers	Serial ATA	EIDE/ATA
Drive device, buffer sizeKnown for one	0.198 MB	Unknown — not stated by the source
Writing speedidentical
CD write speedKnown for one	Unknown — not stated by the source	48x
CD rewrite speedKnown for one	Unknown — not stated by the source	32x
Reading speedidentical
DVD+R read speedKnown for one	Unknown — not stated by the source	16x
DVD-R read speedKnown for one	Unknown — not stated by the source	16x
DVD read speedKnown for one	16x	Unknown — not stated by the source
Access time2 differ
DVD drive average random access timeDiffers	100 ms	160 ms
CD-ROM drive average random access timeDiffers	900 ms	140 ms
Other features1 differ
Buffer sizeKnown for one	Unknown — not stated by the source	198 KB
Compatible operating systemsDiffers	Windows 95, 98, 2K, ME, NT 4.0, XP, Vista, 2003 server Linux Slackware Ver 3.10, Solaris Ver 2.4 +	Windows 95, 98, 2K, ME, NT 4.0, XP, Vista, 2003 server, Linux Slackware Ver 3.10, Solaris Ver 2.4

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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