Product comparison · 2 optical disc drives

NEC DVD-RW AD-7170S vs Philips Internal DVD-ROM Drive

5specifications compared
3differ
2identical
26known for one product only

Key differences

DVD drive average random access time
- DVD-RW AD-7170S:160 ms
- Internal DVD-ROM Drive:140 ms
Weight
- DVD-RW AD-7170S:705 g
- Internal DVD-ROM Drive:900 g
Dimensions (WxDxH)
- DVD-RW AD-7170S:148 x 175 x 42 mm
- Internal DVD-ROM Drive:146 x 170 x 42 mm

Side by side

Differences highlightedShow differences only

Comparison of DVD-RW AD-7170S, Internal DVD-ROM Drive
31 specifications	A NEC DVD-RW AD-7170S View product	B Philips Internal DVD-ROM Drive View product
Designidentical
Internal	Yes	Yes
Product colourKnown for one	Beige	Unknown — not stated by the source
Performanceidentical
InterfaceKnown for one	Serial ATA	Unknown — not stated by the source
Burst transfer rateKnown for one	1536 MB/s	Unknown — not stated by the source
Writing speedidentical
CD write speedKnown for one	48x	Unknown — not stated by the source
CD rewrite speedKnown for one	32x	Unknown — not stated by the source
DVD+R write speedKnown for one	18x	Unknown — not stated by the source
DVD+RW write speedKnown for one	8x	Unknown — not stated by the source
DVD-R Double Layer write speedKnown for one	8x	Unknown — not stated by the source
DVD-R write speedKnown for one	18x	Unknown — not stated by the source
DVD-RAM write speedKnown for one	12x	Unknown — not stated by the source
DVD-RW write speedKnown for one	6x	Unknown — not stated by the source
Reading speedidentical
CD read speed	48x	48x
DVD+R read speedKnown for one	16x	Unknown — not stated by the source
DVD read speedKnown for one	Unknown — not stated by the source	16x
Access time1 differ
DVD drive average random access timeDiffers	160 ms	140 ms
CD-ROM drive average random access timeKnown for one	140 ms	Unknown — not stated by the source
Access timeKnown for one	Unknown — not stated by the source	120 ms
Record modesidentical
Disc-at-once (DAO)Known for one	Yes	Unknown — not stated by the source
Session-at-once (SAO)Known for one	Yes	Unknown — not stated by the source
Track-at-once (TAO)Known for one	Yes	Unknown — not stated by the source
Weight & dimensions1 differ
WeightDiffers	705 g	900 g
Other features1 differ
Dimensions (WxDxH)Differs	148 x 175 x 42 mm	146 x 170 x 42 mm
Power requirementsKnown for one	Unknown — not stated by the source	DC 5V/12V
Minimum RAMKnown for one	Unknown — not stated by the source	128 MB
Minimum processorKnown for one	Unknown — not stated by the source	Pentium III 500MHz
Compatible operating systemsKnown for one	Unknown — not stated by the source	Windows 98, NT4.0, ME, 2000, XP
SafetyKnown for one	Unknown — not stated by the source	EN60950, EN60825,UL1950
Operational conditionsidentical
Operating relative humidity (H-H)Known for one	Unknown — not stated by the source	15 - 80%
Operating temperature (T-T)Known for one	Unknown — not stated by the source	5 - 40 °C
Storage temperature (T-T)Known for one	Unknown — not stated by the source	-40 - 65 °C

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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