LG BH08LS optical disc drive Internal Black vs LG CH08LS optical disc drive Internal Black

Comparison of BH08LS, CH08LS

42 specifications	A LG BH08LS optical disc drive Internal Black Model BH08LS View product	B LG CH08LS optical disc drive Internal Black Model CH08LS View product
Designidentical
Internal	Yes	Yes
Product colour	Black	Black
Performanceidentical
Interface	Serial ATA	Serial ATA
LightScribe	Yes	Yes
Drive device, buffer size	4 MB	4 MB
Writing speedidentical
CD write speed	40x	40x
CD rewrite speed	24x	24x
BD-R write speedKnown for one	8x	—Unknown — not stated by the source
BD-RE write speedKnown for one	2x	—Unknown — not stated by the source
DVD+R Double Layer write speed	4x	4x
DVD+R write speed	16x	16x
DVD+RW write speed	8x	8x
DVD-R Double Layer write speed	4x	4x
DVD-R write speed	16x	16x
DVD-RW write speed	6x	6x
DVD-RAM write speedKnown for one	—Unknown — not stated by the source	5x
Reading speedidentical
CD read speed	40x	40x
CD-R read speed	40x	40x
CD-ROM read speed	40x	40x
CD-RW read speed	40x	40x
BD-ROM read speed	8x	8x
DVD+R read speed	12x	12x
DVD-R Double Layer read speed	8x	8x
DVD-R read speed	12x	12x
DVD-ROM read speed	16x	16x
DVD-RW read speed	10x	10x
DVD+R Double Layer read speed	8x	8x
DVD+RW read speed	10x	10x
DVD-RAM read speedKnown for one	—Unknown — not stated by the source	5x
Access timeidentical
DVD drive average random access time	160 ms	160 ms
BD-ROM average random access time	180 ms	180 ms
CD-ROM drive average random access time	150 ms	150 ms
Record modesidentical
Disc-at-once (DAO)	Yes	Yes
Layer Jump Recording	Yes	Yes
Packet writing	Yes	Yes
Random write	Yes	Yes
Sequential writing	Yes	Yes
Session-at-once (SAO)	Yes	Yes
Track-at-once (TAO)	Yes	Yes
Weight & dimensionsidentical
Weight	870 g	870 g
Other featuresidentical
Dimensions (WxDxH)	146 x 185 x 41.3 mm	146 x 185 x 41.3 mm
Compatible operating systems	Windows XP, Vista	Windows XP, Vista

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.