Product comparison · 2 optical disc drives

NEC DVD-RW AD-7170S vs Samsung SE-W084B - External Slim DVD-writer, 20-pk

11specifications compared
9differ
2identical
24known for one product only

Key differences

Internal
- DVD-RW AD-7170S:Yes
- SE-W084B - External Slim DVD-writer, 20-pk:No
Product colour
- DVD-RW AD-7170S:Beige
- SE-W084B - External Slim DVD-writer, 20-pk:Silver
CD write speed
- DVD-RW AD-7170S:48x
- SE-W084B - External Slim DVD-writer, 20-pk:24x
CD rewrite speed
- DVD-RW AD-7170S:32x
- SE-W084B - External Slim DVD-writer, 20-pk:10x
DVD+R write speed
- DVD-RW AD-7170S:18x
- SE-W084B - External Slim DVD-writer, 20-pk:8x
DVD-R write speed
- DVD-RW AD-7170S:18x
- SE-W084B - External Slim DVD-writer, 20-pk:8x
CD read speed
- DVD-RW AD-7170S:48x
- SE-W084B - External Slim DVD-writer, 20-pk:24x
DVD+R read speed
- DVD-RW AD-7170S:16x
- SE-W084B - External Slim DVD-writer, 20-pk:8x

Side by side

Differences highlightedShow differences only

Comparison of DVD-RW AD-7170S, SE-W084B - External Slim DVD-writer, 20-pk
35 specifications	A NEC DVD-RW AD-7170S View product	B Samsung SE-W084B - External Slim DVD-writer, 20-pk View product
Design2 differ
InternalDiffers	Yes	No
Product colourDiffers	Beige	Silver
MountingKnown for one	Unknown — not stated by the source	Horizontal
Performanceidentical
Drive device, buffer sizeKnown for one	Unknown — not stated by the source	2 MB
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 speed4 differ
CD write speedDiffers	48x	24x
CD rewrite speedDiffers	32x	10x
CD-R write speedKnown for one	Unknown — not stated by the source	24x
CD-RW write speedKnown for one	Unknown — not stated by the source	24x
DVD+R Double Layer write speedKnown for one	Unknown — not stated by the source	4x
DVD+R write speedDiffers	18x	8x
DVD-R write speedDiffers	18x	8x
DVD-R Double Layer write speedKnown for one	8x	Unknown — not stated by the source
DVD-RAM write speedKnown for one	12x	Unknown — not stated by the source
Reading speed2 differ
CD read speedDiffers	48x	24x
CD-R read speedKnown for one	Unknown — not stated by the source	24x
CD-RW read speedKnown for one	Unknown — not stated by the source	10x
DVD+R read speedDiffers	16x	8x
DVD-R Double Layer read speedKnown for one	Unknown — not stated by the source	8x
DVD-R read speedKnown for one	Unknown — not stated by the source	8x
DVD-RW read speedKnown for one	Unknown — not stated by the source	6x
DVD+R Double Layer read speedKnown for one	Unknown — not stated by the source	8x
DVD+RW read speedKnown for one	Unknown — not stated by the source	6x
Other features1 differ
Media types supportedKnown for one	Unknown — not stated by the source	DVD+R, DVD+RW, DVD-R, DVD-RW, DVD-VIDEO, DVD-ROM, CD-R, CD-RW, CD-ROM, CD-ROM/XA, CD-Audio, Video-CD, Photo CD, CD-I(FMV), CD-Extra, CD-TEXT
Dimensions (WxDxH)Differs	148 x 175 x 42 mm	133 x 132 x 17.7 mm
Number of optical discsKnown for one	Unknown — not stated by the source	1 discs
Access timeidentical
DVD drive average random access timeKnown for one	160 ms	Unknown — not stated by the source
CD-ROM drive average random access timeKnown for one	140 ms	Unknown — not stated by the source
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 & dimensionsidentical
WeightKnown for one	705 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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