Product comparison · 2 optical disc drives

LG GH20NS15 optical disc drive Internal Black vs NEC AD-7173 optical disc drive Internal Beige

22specifications compared
8differ
14identical
11known for one product only

Key differences

Product colour
- GH20NS15 optical disc drive Internal Black:Black
- AD-7173 optical disc drive Internal Beige:Beige
DVD+R write speed
- GH20NS15 optical disc drive Internal Black:20x
- AD-7173 optical disc drive Internal Beige:18x
DVD-R Double Layer write speed
- GH20NS15 optical disc drive Internal Black:10x
- AD-7173 optical disc drive Internal Beige:8x
DVD-R write speed
- GH20NS15 optical disc drive Internal Black:20x
- AD-7173 optical disc drive Internal Beige:18x
DVD drive average random access time
- GH20NS15 optical disc drive Internal Black:175 ms
- AD-7173 optical disc drive Internal Beige:160 ms
CD-ROM drive average random access time
- GH20NS15 optical disc drive Internal Black:120 ms
- AD-7173 optical disc drive Internal Beige:140 ms
Weight
- GH20NS15 optical disc drive Internal Black:780 g
- AD-7173 optical disc drive Internal Beige:705 g
Dimensions (WxDxH)
- GH20NS15 optical disc drive Internal Black:146 x 41.3 x 165 mm
- AD-7173 optical disc drive Internal Beige:148 x 175 x 42 mm

Side by side

Differences highlightedShow differences only

Comparison of GH20NS15, AD-7173
33 specifications	A LG GH20NS15 optical disc drive Internal Black Model GH20NS15 View product	B NEC AD-7173 optical disc drive Internal Beige Model AD-7173 View product
Design1 differ
Product colourDiffers	Black	Beige
Performanceidentical
Burst transfer rateKnown for one	Unknown — not stated by the source	150 MB/s
Writing speed3 differ
DVD+R Double Layer write speedKnown for one	10x	Unknown — not stated by the source
DVD+R write speedDiffers	20x	18x
DVD-R Double Layer write speedDiffers	10x	8x
DVD-R write speedDiffers	20x	18x
Access time2 differ
DVD drive average random access timeDiffers	175 ms	160 ms
CD-ROM drive average random access timeDiffers	120 ms	140 ms
Record modesidentical
Layer Jump RecordingKnown for one	Yes	Unknown — not stated by the source
Packet writingKnown for one	Yes	Unknown — not stated by the source
Random writeKnown for one	Yes	Unknown — not stated by the source
Sequential writingKnown for one	Yes	Unknown — not stated by the source
Multi sessionKnown for one	Unknown — not stated by the source	Yes
Operational conditionsidentical
Operating relative humidity (H-H)Known for one	15 - 85%	Unknown — not stated by the source
Operating temperature (T-T)Known for one	5 - 45 °C	Unknown — not stated by the source
Storage relative humidity (H-H)Known for one	10 - 90%	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-30 - 60 °C	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	780 g	705 g
Other features1 differ
Dimensions (WxDxH)Differs	146 x 41.3 x 165 mm	148 x 175 x 42 mm

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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