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Product comparison · 2 optical disc drives

NEC AD-7170S Silver vs Samsung SLIM DVD SET084

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  • 14specifications compared
  • 12differ
  • 2identical
  • 30known for one product only

Key differences

  • Internal
    • Yes
    • No
  • Mounting
    • Vertical/Horizontal
    • Horizontal
  • CD write speed
    • 48x
    • 24x
  • CD rewrite speed
    • 32x
    • 24x
  • DVD+R write speed
    • 18x
    • 8x
  • DVD-R Double Layer write speed
    • 8x
    • 6x
  • DVD-R write speed
    • 18x
    • 8x
  • DVD-RAM write speed
    • 12x
    • 5x

Side by side

Differences highlightedShow differences only
44 specifications
A

NEC

AD-7170S SilverView product
B

Samsung

SLIM DVD SET084View product
Design2 differ
InternalDiffersYesNo
Product colourKnown for oneSilver
Disc loading typeKnown for oneTray
MountingDiffersVertical/HorizontalHorizontal
Performanceidentical
Optical drive typeKnown for oneDVD-RW
InterfaceKnown for oneSerial ATA
Drive device, buffer sizeKnown for one2 MB
Writing speed6 differ
CD write speedDiffers48x24x
CD rewrite speedDiffers32x24x
CD-R write speedKnown for one48x
CD-RW write speedKnown for one32x
DVD+R write speedDiffers18x8x
DVD+RW write speed8x8x
DVD-R Double Layer write speedDiffers8x6x
DVD-R write speedDiffers18x8x
DVD-RAM write speedDiffers12x5x
DVD-RW write speed6x6x
DVD+R Double Layer write speedKnown for one6x
Reading speed1 differ
CD read speedDiffers48x24x
DVD read speedKnown for one16x
DVD+R read speedKnown for one8x
DVD-R Double Layer read speedKnown for one6x
DVD-R read speedKnown for one8x
DVD-RAM read speedKnown for one5x
DVD-RW read speedKnown for one6x
DVD+R Double Layer read speedKnown for one6x
DVD+RW read speedKnown for one8x
Access time2 differ
DVD drive average random access timeDiffers160 ms130 ms
CD-ROM drive average random access timeDiffers140 ms130 ms
Record modesidentical
Disc-at-once (DAO)Known for oneYes
Fixed packetKnown for oneYes
Multi sessionKnown for oneYes
Session-at-once (SAO)Known for oneYes
Track-at-once (TAO)Known for oneYes
Variable packetKnown for oneYes
Weight & dimensionsidentical
WeightKnown for one705 g
Other features1 differ
Media types supportedDiffersDVD-ROM, DVD-R (DL approx march 2005), DVD-RW, DVD+R, DVD+RW,DVD+R9,CD-ROM, CD-R & CD-RW 80mm & 120mmDVD-RAM, DVD+R, DVD+R DL, DVD+RW, DVD-R, DVD-R DL, DVD-RW, Light Scribe DVD±R, Light Scribe CD-R, DVD-ROM, DVD-Video, CD-R, CD-RW, CD-ROM, CD-ROM/XA, CD-Audio, Video-CD, Photo CD, CD-I(FMV), CD-Extra, CD-TEXT
Write methodsKnown for oneDAO, SAO,TAO zero gap,variable / fixed packet, multisession
Dimensions (WxDxH)Known for one148 x 175 x 42 mm
Number of optical discsKnown for one1 discs
Double Layer DVD write speedKnown for one8x
Drive devices burst data transfer rate (DMA)Known for one16.6 MB/sec
Drive devices burst data transfer rate (PIO)Known for one16.6 MB/sec
Drive devices burst data transfer rate (Ultra DMA)Known for one33.3 MB/sec

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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