Product comparison · 2 optical disc drives

ASUS DRW-20B1S optical disc drive Internal Black vs LG GH22LS30RBB optical disc drive Internal Black

22specifications compared
7differ
15identical
18known for one product only

Key differences

DVD+R Double Layer write speed
- DRW-20B1S optical disc drive Internal Black:12x
- GH22LS30RBB optical disc drive Internal Black:16x
DVD+R write speed
- DRW-20B1S optical disc drive Internal Black:20x
- GH22LS30RBB optical disc drive Internal Black:22x
DVD-R write speed
- DRW-20B1S optical disc drive Internal Black:20x
- GH22LS30RBB optical disc drive Internal Black:22x
CD-R read speed
- DRW-20B1S optical disc drive Internal Black:40x
- GH22LS30RBB optical disc drive Internal Black:48x
CD-RW read speed
- DRW-20B1S optical disc drive Internal Black:40x
- GH22LS30RBB optical disc drive Internal Black:32x
Weight
- DRW-20B1S optical disc drive Internal Black:610 g
- GH22LS30RBB optical disc drive Internal Black:800 g

Side by side

Differences highlightedShow differences only

Comparison of DRW-20B1S, GH22LS30RBB
40 specifications	A ASUS DRW-20B1S optical disc drive Internal Black Model DRW-20B1S View product	B LG GH22LS30RBB optical disc drive Internal Black Model GH22LS30RBB View product
Designidentical
Internal	Yes	Yes
Product colour	Black	Black
Disc loading typeKnown for one	Unknown — not stated by the source	Tray
Performanceidentical
InterfaceKnown for one	Unknown — not stated by the source	Serial ATA
Drive device, buffer size	2 MB	2 MB
Writing speed3 differ
CD write speed	48x	48x
CD rewrite speed	32x	32x
CD-R write speedKnown for one	Unknown — not stated by the source	48x
CD-RW write speedKnown for one	Unknown — not stated by the source	32x
DVD+R Double Layer write speedDiffers	12x	16x
DVD+R write speedDiffers	20x	22x
DVD+RW write speed	8x	8x
DVD-R Double Layer write speed	12x	12x
DVD-R write speedDiffers	20x	22x
DVD-RAM write speed	12x	12x
DVD-RW write speed	6x	6x
Reading speed2 differ
CD read speed	48x	48x
CD-R read speedDiffers	40x	48x
CD-RW read speedDiffers	40x	32x
DVD+R read speedKnown for one	Unknown — not stated by the source	16x
DVD-R Double Layer read speed	12x	12x
DVD-R read speedKnown for one	Unknown — not stated by the source	161x
DVD-RW read speedKnown for one	Unknown — not stated by the source	12x
DVD+R Double Layer read speed	12x	12x
DVD+RW read speedKnown for one	Unknown — not stated by the source	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
DVD read speedKnown for one	16x	Unknown — not stated by the source
Access timeidentical
DVD drive average random access timeKnown for one	Unknown — not stated by the source	140 ms
CD-ROM drive average random access timeKnown for one	Unknown — not stated by the source	120 ms
Record modesidentical
Disc-at-once (DAO)	Yes	Yes
Multi sessionKnown for one	Unknown — not stated by the source	Yes
Session-at-once (SAO)	Yes	Yes
Track-at-once (TAO)	Yes	Yes
Random writeKnown for one	Yes	Unknown — not stated by the source
Sequential writingKnown for one	Yes	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	610 g	800 g
Other features1 differ
Dimensions (WxDxH)Known for one	Unknown — not stated by the source	146 x 165 x 41.3 mm
Compatible operating systemsDiffers	Windows XP/ NT/2000/VISTA	Windows Millennium / Windows Vista X86, X64, Windows 2000 Professional, XP Home / Professional

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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