Product comparison · 2 optical disc drives

LG GDR-H20NBB optical disc drive Internal Ivory vs LG GDRH30N DVD-ROM 16x52x

Key differences

Product colour
- GDR-H20NBB optical disc drive Internal Ivory:Ivory
- GDRH30N DVD-ROM 16x52x:Black
Interface
- GDR-H20NBB optical disc drive Internal Ivory:Serial ATA
- GDRH30N DVD-ROM 16x52x:EIDE/ATA
CD-ROM drive average random access time
- GDR-H20NBB optical disc drive Internal Ivory:140 ms
- GDRH30N DVD-ROM 16x52x:90 ms

Differences highlightedShow differences only

Comparison of GDR-H20NBB, GDRH30N DVD-ROM 16x52x
18 specifications	A LG GDR-H20NBB optical disc drive Internal Ivory Model GDR-H20NBB View product	B LG GDRH30N DVD-ROM 16x52x View product
Design1 differ
Internal	Yes	Yes
Product colourDiffers	Ivory	Black
Performance1 differ
InterfaceDiffers	Serial ATA	EIDE/ATA
Drive device, buffer size	0.198 MB	0.198 MB
Reading speedidentical
CD read speed	52x	52x
DVD read speed	16x	16x
Access time1 differ
DVD drive average random access time	160 ms	160 ms
Access timeKnown for one	Unknown — not stated by the source	140 ms
CD-ROM drive average random access timeDiffers	140 ms	90 ms
Weight & dimensionsidentical
Weight	700 g	700 g
Other features1 differ
Media types supportedKnown for one	Unknown — not stated by the source	DVD-RAM, DVD-R/RW, DVD+R/RW, DVD-ROM, DVD+R DL, DVD-R DL CD-R/-RW,CD-ROM, CD-DA, CD-ROM XA, CD-Extra, CD-Text, CD-I Photo-CD, CD Audio
Dimensions (WxDxH)	146 x 165 x 41.3 mm	146 x 165 x 41.3 mm
Compatible operating systemsDiffers	Windows 95, 98, 2K, ME, NT 4.0 +, XP, Vista, 2003 server, Linux Slackware 3.10, Solaris 2.4 +	Windows 95, 98, 2K, ME, NT 4.0, XP, Vista, 2003 server, Linux: Slackware Ver 3.10, Solaris Ver 2.4.
Maximum data transfer rateKnown for one	Unknown — not stated by the source	7.8 Mbit/s
Number of optical discs	1 discs	1 discs
Size (imperial)Known for one	Unknown — not stated by the source	13.3 cm (5.25")
Drive device, transfer rateKnown for one	22.1 MB/s	Unknown — not stated by the source
Mac compatibilityKnown for one	No	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.