Product comparison · 2 optical disc drives

NEC AD-7633 black vs Samsung SE-S204N - External DVD+-R/RW/DL/LS

14specifications compared
10differ
4identical
21known for one product only

Key differences

Internal
- AD-7633 black:Yes
- SE-S204N - External DVD+-R/RW/DL/LS:No
CD write speed
- AD-7633 black:24x
- SE-S204N - External DVD+-R/RW/DL/LS:48x
CD rewrite speed
- AD-7633 black:16x
- SE-S204N - External DVD+-R/RW/DL/LS:32x
DVD+R Double Layer write speed
- AD-7633 black:4x
- SE-S204N - External DVD+-R/RW/DL/LS:16x
DVD+R write speed
- AD-7633 black:8x
- SE-S204N - External DVD+-R/RW/DL/LS:20x
DVD-R Double Layer write speed
- AD-7633 black:4x
- SE-S204N - External DVD+-R/RW/DL/LS:12x
DVD-R write speed
- AD-7633 black:8x
- SE-S204N - External DVD+-R/RW/DL/LS:20x
DVD-RAM write speed
- AD-7633 black:5x
- SE-S204N - External DVD+-R/RW/DL/LS:12x

Side by side

Differences highlightedShow differences only

Comparison of AD-7633 black, SE-S204N - External DVD+-R/RW/DL/LS
35 specifications	A NEC AD-7633 black View product	B Samsung SE-S204N - External DVD+-R/RW/DL/LS View product
Design1 differ
InternalDiffers	Yes	No
Performanceidentical
InterfaceKnown for one	EIDE/ATA	Unknown — not stated by the source
Writing speed7 differ
CD write speedDiffers	24x	48x
CD rewrite speedDiffers	16x	32x
DVD+R Double Layer write speedDiffers	4x	16x
DVD+R write speedDiffers	8x	20x
DVD-R Double Layer write speedDiffers	4x	12x
DVD-R write speedDiffers	8x	20x
DVD-RAM write speedDiffers	5x	12x
Reading speed1 differ
CD read speedDiffers	24x	40x
CD-R read speedKnown for one	Unknown — not stated by the source	40x
CD-ROM read speedKnown for one	Unknown — not stated by the source	48x
CD-RW read speedKnown for one	Unknown — not stated by the source	40x
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	12x
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	12x
DVD-ROM read speedKnown for one	Unknown — not stated by the source	16x
DVD-RW read speedKnown for one	Unknown — not stated by the source	12x
DVD+R Double Layer read speedKnown for one	Unknown — not stated by the source	12x
DVD+RW read speedKnown for one	Unknown — not stated by the source	12x
DVD read speedKnown for one	8x	Unknown — not stated by the source
Weight & dimensionsidentical
HeightKnown for one	Unknown — not stated by the source	232 mm
WeightKnown for one	160 g	Unknown — not stated by the source
Other features1 differ
Dimensions (WxDxH)Differs	12.7 x 128 x 129 mm	163 x 232 x 50 mm
Access timeidentical
DVD drive average random access timeKnown for one	190 ms	Unknown — not stated by the source
CD-ROM drive average random access timeKnown for one	190 ms	Unknown — not stated by the source
Record modesidentical
Disc-at-once (DAO)Known for one	Yes	Unknown — not stated by the source
Multi sessionKnown 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

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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