Product comparison · 2 optical disc drives

LG GSA-H42N-BBLK DVDRW vs NEC AD-7170S optical disc drive Internal

14specifications compared
5differ
9identical
31known for one product only

Key differences

DVD-R Double Layer write speed
- GSA-H42N-BBLK DVDRW:10x
- AD-7170S optical disc drive Internal:8x
DVD drive average random access time
- GSA-H42N-BBLK DVDRW:140 ms
- AD-7170S optical disc drive Internal:160 ms
CD-ROM drive average random access time
- GSA-H42N-BBLK DVDRW:120 ms
- AD-7170S optical disc drive Internal:140 ms
Weight
- GSA-H42N-BBLK DVDRW:780 g
- AD-7170S optical disc drive Internal:705 g
Dimensions (WxDxH)
- GSA-H42N-BBLK DVDRW: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 GSA-H42N-BBLK DVDRW, AD-7170S
45 specifications	A LG GSA-H42N-BBLK DVDRW View product	B NEC AD-7170S optical disc drive Internal Model AD-7170S View product
Designidentical
Product colourKnown for one	Black	Unknown — not stated by the source
Disc loading typeKnown for one	Tray	Unknown — not stated by the source
MountingKnown for one	Vertical/Horizontal	Unknown — not stated by the source
Performanceidentical
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 speed1 differ
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	10x	Unknown — not stated by the source
DVD-R Double Layer write speedDiffers	10x	8x
Reading speedidentical
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 temperature (T-T)Known for one	5 - 45 °C	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
Packaging contentidentical
Bundled softwareKnown for one	Nero Express, In CD, PowerDVD, PowerProducer Gold	Unknown — not stated by the source
Other features1 differ
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 1.4GHz	Unknown — not stated by the source
Compatible operating systemsKnown for one	Windows ME, 2000 Professional, Windows XP Home Edition, Professional	Unknown — not stated by the source
Maximum data transfer rateKnown for one	22.16 Mbit/s	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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