Product comparison · 2 optical disc drives

BenQ CB523C optical disc drive Internal vs NEC ND-4551DVD RW Champagne

6specifications compared
4differ
2identical
42known for one product only

Key differences

CD read speed
- CB523C optical disc drive Internal:52x
- ND-4551DVD RW Champagne:48x
Access time
- CB523C optical disc drive Internal:120 ms
- ND-4551DVD RW Champagne:140 ms
Dimensions (WxDxH)
- CB523C optical disc drive Internal:146 x 41.5 x 178 mm
- ND-4551DVD RW Champagne:148 x 42 x 190 mm

Side by side

Differences highlightedShow differences only

Comparison of CB523C, ND-4551DVD RW Champagne
48 specifications	A BenQ CB523C optical disc drive Internal Model CB523C View product	B NEC ND-4551DVD RW Champagne View product
Designidentical
Internal	Yes	Yes
Product colourKnown for one	Unknown — not stated by the source	Gold
Disc loading typeKnown for one	Unknown — not stated by the source	Tray
Performanceidentical
Optical drive typeKnown for one	Unknown — not stated by the source	DVD-RW
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
CD-R write speedKnown for one	Unknown — not stated by the source	48x
CD-RW write speedKnown for one	Unknown — not stated by the source	32x
DVD+R write speedKnown for one	Unknown — not stated by the source	16x
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	6x
DVD-R write speedKnown for one	Unknown — not stated by the source	16x
DVD-RW write speedKnown for one	Unknown — not stated by the source	6x
DVD write speedKnown for one	Unknown — not stated by the source	16x
DVD rewrite speedKnown for one	Unknown — not stated by the source	8x
Reading speed1 differ
CD read speedDiffers	52x	48x
CD-R read speedKnown for one	Unknown — not stated by the source	48x
CD-RW read speedKnown for one	Unknown — not stated by the source	32x
DVD+R read speedKnown for one	Unknown — not stated by the source	16x
DVD-R Double Layer read speedKnown for one	Unknown — not stated by the source	6x
DVD-R read speedKnown for one	Unknown — not stated by the source	16x
DVD-RAM read speedKnown for one	Unknown — not stated by the source	5x
DVD-RW read speedKnown for one	Unknown — not stated by the source	6x
DVD+RW read speedKnown for one	Unknown — not stated by the source	8x
DVD read speed	16x	16x
Access time1 differ
Access timeDiffers	120 ms	140 ms
DVD drive average random access timeKnown for one	130 ms	Unknown — not stated by the source
Other features2 differ
Media types supportedKnown for one	Unknown — not stated by the source	DVD-ROM, DVD-R, DVD-RW, DVD+R, DVD+R9, DVD+RW, DVD-Video, CD Extra, CD Text, CD-I Ready, CD-Bridge, Photo CD, Video CD, Hybrid CD
Minimum system requirementsDiffers	Pentium II 400MHz, 128MB DRAM,150MB free HD space.	-MPC Level 3 -MultiRead -PC2001
Write methodsKnown for one	Unknown — not stated by the source	DAO,SAO,TAO
Dimensions (WxDxH)Differs	146 x 41.5 x 178 mm	148 x 42 x 190 mm
Number of optical discsKnown for one	Unknown — not stated by the source	1 discs
DVD+R speedKnown for one	Unknown — not stated by the source	16x
DVD+RW speedKnown for one	Unknown — not stated by the source	8x
DVD-R speedKnown for one	Unknown — not stated by the source	16x
DVD-RW speedKnown for one	Unknown — not stated by the source	6x
Double Layer DVD write speedKnown for one	Unknown — not stated by the source	6x
Drive devices burst data transfer rate (PIO)Known for one	Unknown — not stated by the source	Mode 4
Drive devices burst data transfer rate (Ultra DMA)Known for one	Unknown — not stated by the source	33
Power requirementsKnown for one	DC: 5V ± 5%, 0.8A DC: 12V ± 10%, 1.9A	Unknown — not stated by the source
Maximum data transfer rateKnown for one	177.28 Mbit/s	Unknown — not stated by the source
Non-operating relative humidity (non-condensing)Known for one	5 - 95%	Unknown — not stated by the source
Technical featuresKnown for one	Dual Cooling System (DCS) Seamless Link Technology	Unknown — not stated by the source
Operational conditionsidentical
Operating relative humidity (H-H)Known for one	10 - 90%	Unknown — not stated by the source
Operating temperature (T-T)Known for one	0 - 50 °C	Unknown — not stated by the source
Storage temperature (T-T)Known for one	-40 - 65 °C	Unknown — not stated by the source
Weight & dimensionsidentical
WeightKnown for one	850 g	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.

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