Product comparison · 2 optical disc drives

LG DVD Rewriter 18x vs NEC AD-7170S optical disc drive Internal

14specifications compared
8differ
6identical
34known for one product only

Key differences

DVD+R write speed
- DVD Rewriter 18x:16x
- AD-7170S optical disc drive Internal:18x
DVD+RW write speed
- DVD Rewriter 18x:4x
- AD-7170S optical disc drive Internal:8x
DVD-R Double Layer write speed
- DVD Rewriter 18x:6x
- AD-7170S optical disc drive Internal:8x
DVD-R write speed
- DVD Rewriter 18x:16x
- AD-7170S optical disc drive Internal:18x
DVD drive average random access time
- DVD Rewriter 18x:140 ms
- AD-7170S optical disc drive Internal:160 ms
CD-ROM drive average random access time
- DVD Rewriter 18x:120 ms
- AD-7170S optical disc drive Internal:140 ms
Weight
- DVD Rewriter 18x:780 g
- AD-7170S optical disc drive Internal:705 g
Dimensions (WxDxH)
- DVD Rewriter 18x:146 x 41.3 x 165 mm
- AD-7170S optical disc drive Internal:148 x 42 x 175 mm

Side by side

Differences highlightedShow differences only

Comparison of DVD Rewriter 18x, AD-7170S
48 specifications	A LG DVD Rewriter 18x View product	B NEC AD-7170S optical disc drive Internal Model AD-7170S View product
Designidentical
Internal	Yes	Yes
Product colourKnown for one	Beige	Unknown — not stated by the source
MountingKnown for one	Vertical/Horizontal	Unknown — not stated by the source
Performanceidentical
Optical drive typeKnown for one	DVD-RW	Unknown — not stated by the source
LightScribeKnown for one	Yes	Unknown — not stated by the source
Drive device, buffer sizeKnown for one	2 MB	Unknown — not stated by the source
InterfaceKnown for one	Unknown — not stated by the source	Serial ATA
Writing speed4 differ
CD write speed	48x	48x
CD rewrite speed	32x	32x
CD-R write speedKnown for one	48x	Unknown — not stated by the source
CD-RW write speedKnown for one	32x	Unknown — not stated by the source
DVD+R Double Layer write speedKnown for one	4x	Unknown — not stated by the source
DVD+R write speedDiffers	16x	18x
DVD+RW write speedDiffers	4x	8x
DVD-R Double Layer write speedDiffers	6x	8x
DVD-R write speedDiffers	16x	18x
DVD-RAM write speed	12x	12x
DVD-RW write speed	6x	6x
Reading speedidentical
CD read speed	48x	48x
CD-R read speedKnown for one	48x	Unknown — not stated by the source
CD-ROM read speedKnown for one	48x	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	16x	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	16x	Unknown — not stated by the source
DVD-RAM read speedKnown for one	5x	Unknown — not stated by the source
DVD-ROM read speedKnown for one	16x	Unknown — not stated by the source
DVD-RW read speedKnown for one	13x	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	13x	Unknown — not stated by the source
DVD read speedKnown for one	Unknown — not stated by the source	16x
Access time2 differ
DVD drive average random access timeDiffers	140 ms	160 ms
CD-ROM drive average random access timeDiffers	120 ms	140 ms
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 - 95%	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
Power requirementsKnown for one	+12V / +5V DC	Unknown — not stated by the source
Dimensions (WxDxH)Differs	146 x 41.3 x 165 mm	148 x 42 x 175 mm
Minimum RAMKnown for one	512 MB	Unknown — not stated by the source
Minimum processorKnown for one	Pentium 4/1.4 GHz	Unknown — not stated by the source
Compatible operating systemsKnown for one	Windows Me/2000/XP	Unknown — not stated by the source
Number of optical discsKnown for one	1 discs	Unknown — not stated by the source
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

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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