LG DH16NS30 optical disc drive Internal Black vs LG GH20NS15 optical disc drive Internal Black

Comparison of DH16NS30, GH20NS15

43 specifications	A LG DH16NS30 optical disc drive Internal Black Model DH16NS30 View product	B LG GH20NS15 optical disc drive Internal Black Model GH20NS15 View product
Designidentical
Internal	Yes	Yes
Product colour	Black	Black
Disc loading typeKnown for one	—Unknown — not stated by the source	Tray
Performanceidentical
Interface	Serial ATA	Serial ATA
Drive device, buffer sizeKnown for one	—Unknown — not stated by the source	2 MB
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
DVD+R Double Layer write speedKnown for one	—Unknown — not stated by the source	10x
DVD+R write speedKnown for one	—Unknown — not stated by the source	20x
DVD+RW write speedKnown for one	—Unknown — not stated by the source	8x
DVD-R Double Layer write speedKnown for one	—Unknown — not stated by the source	10x
DVD-R write speedKnown for one	—Unknown — not stated by the source	20x
DVD-RAM write speedKnown for one	—Unknown — not stated by the source	12x
DVD-RW write speedKnown for one	—Unknown — not stated by the source	6x
Reading speed1 differ
CD read speedDiffers	52x	48x
DVD read speed	16x	16x
CD-R read speedKnown for one	40x	—Unknown — not stated by the source
CD-RW read speedKnown for one	40x	—Unknown — not stated by the source
DVD+R read speedKnown for one	8x	—Unknown — not stated by the source
DVD-R Double Layer read speedKnown for one	12x	—Unknown — not stated by the source
DVD-R read speedKnown for one	8x	—Unknown — not stated by the source
DVD-RW read speedKnown for one	8x	—Unknown — not stated by the source
DVD+R Double Layer read speedKnown for one	12x	—Unknown — not stated by the source
DVD+RW read speedKnown for one	8x	—Unknown — not stated by the source
Access timeidentical
DVD drive average random access timeKnown for one	—Unknown — not stated by the source	175 ms
CD-ROM drive average random access timeKnown for one	—Unknown — not stated by the source	120 ms
Record modesidentical
Disc-at-once (DAO)Known for one	—Unknown — not stated by the source	Yes
Layer Jump RecordingKnown for one	—Unknown — not stated by the source	Yes
Packet writingKnown for one	—Unknown — not stated by the source	Yes
Random writeKnown for one	—Unknown — not stated by the source	Yes
Sequential writingKnown 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
Operational conditionsidentical
Operating relative humidity (H-H)Known for one	—Unknown — not stated by the source	15 - 85%
Operating temperature (T-T)Known for one	—Unknown — not stated by the source	5 - 45 °C
Storage relative humidity (H-H)Known for one	—Unknown — not stated by the source	10 - 90%
Storage temperature (T-T)Known for one	—Unknown — not stated by the source	-30 - 60 °C
Weight & dimensionsidentical
WeightKnown for one	—Unknown — not stated by the source	780 g
Other featuresidentical
Dimensions (WxDxH)Known for one	—Unknown — not stated by the source	146 x 41.3 x 165 mm
Compatible operating systemsKnown for one	Windows Vista (32bit/64bit) Windows XP Windows 2000 Windows ME	—Unknown — not stated by the source
Mac compatibilityKnown for one	No	—Unknown — not stated by the source
Number of optical discsKnown for one	1 discs	—Unknown — not stated by the source
Packaging contentidentical
Bundled softwareKnown for one	Power DVD	—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.