Product comparison · 2 optical disc drives

LG GH20NS10, Black vs LG GH22LS30RBB optical disc drive Internal Black

Key differences

DVD+R Double Layer write speed
- GH20NS10, Black:12x
- GH22LS30RBB optical disc drive Internal Black:16x
DVD+R write speed
- GH20NS10, Black:20x
- GH22LS30RBB optical disc drive Internal Black:22x
DVD-R write speed
- GH20NS10, Black:20x
- GH22LS30RBB optical disc drive Internal Black:22x
CD-RW read speed
- GH20NS10, Black:40x
- GH22LS30RBB optical disc drive Internal Black:32x
DVD-R read speed
- GH20NS10, Black:16x
- GH22LS30RBB optical disc drive Internal Black:161x
DVD-RW read speed
- GH20NS10, Black:13x
- GH22LS30RBB optical disc drive Internal Black:12x
DVD+RW read speed
- GH20NS10, Black:13x
- GH22LS30RBB optical disc drive Internal Black:12x
DVD drive average random access time
- GH20NS10, Black:145 ms
- GH22LS30RBB optical disc drive Internal Black:140 ms

Differences highlightedShow differences only

Comparison of GH20NS10, Black, GH22LS30RBB
38 specifications	A LG GH20NS10, Black View product	B LG GH22LS30RBB optical disc drive Internal Black Model GH22LS30RBB View product
Designidentical
Disc loading typeKnown for one	Unknown — not stated by the source	Tray
Writing speed3 differ
DVD+R Double Layer write speedDiffers	12x	16x
DVD+R write speedDiffers	20x	22x
DVD-R write speedDiffers	20x	22x
Reading speed4 differ
CD-RW read speedDiffers	40x	32x
DVD-R read speedDiffers	16x	161x
DVD-RW read speedDiffers	13x	12x
DVD+RW read speedDiffers	13x	12x
CD-ROM read speedKnown for one	48x	Unknown — not stated by the source
DVD-RAM read speedKnown for one	12x	Unknown — not stated by the source
DVD-ROM read speedKnown for one	16x	Unknown — not stated by the source
Access time2 differ
DVD drive average random access timeDiffers	145 ms	140 ms
CD-ROM drive average random access timeDiffers	125 ms	120 ms
Record modesidentical
Disc-at-once (DAO)Known 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
Other features1 differ
Compatible operating systemsDiffers	Windows Vista, Windows XP, Windows 2000 Professional, Windows ME	Windows Millennium / Windows Vista X86, X64, Windows 2000 Professional, XP Home / Professional
Drive device, transfer rateKnown for one	22.16 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.