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Product comparison · 2 optical disc drives

NEC AD-7170A DVD-RW 18x vs Samsung DVD DRIVE SHD162 D

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  • 11specifications compared
  • 6differ
  • 5identical
  • 24known for one product only

Key differences

  • CD rewrite speed
    • 32x
    • 48x
  • DVD drive average random access time
    • 160 ms
    • 100 ms
  • Dimensions (WxDxH)
    • 148 x 175 x 42 mm
    • 148.8 x 184 x 42 mm
  • Drive devices burst data transfer rate (PIO)
    • mode 4
    • 6.6 MB/sec
  • Drive devices burst data transfer rate (Ultra DMA)
    • Ultra DMA 66
    • 33.3 MB/sec

Side by side

Differences highlightedShow differences only
35 specifications
A

NEC

AD-7170A DVD-RW 18xView product
B

Samsung

DVD DRIVE SHD162 DView product
Designidentical
Product colourKnown for oneBlack
MountingKnown for oneVertical/Horizontal
Writing speed1 differ
CD rewrite speedDiffers32x48x
DVD+R write speedKnown for one18x
DVD+RW write speedKnown for one8x
DVD-R Double Layer write speedKnown for one8x
DVD-R write speedKnown for one18x
DVD-RAM write speedKnown for one12x
DVD-RW write speedKnown for one6x
Reading speedidentical
DVD read speedKnown for one16x
CD-ROM read speedKnown for one48x
DVD+R read speedKnown for one16x
DVD-R read speedKnown for one16x
DVD-ROM read speedKnown for one16x
Access time1 differ
DVD drive average random access timeDiffers160 ms100 ms
Access timeKnown for one140 ms
CD-ROM drive average random access timeKnown for one100 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 features4 differ
Media types supportedDiffersDVD-ROM, DVD-Video, CD-ROM, CD-ROM XA, CD-I Ready, CD-Bridge, PhotoCD, VideoCD, CD-DA, CD Extra, CD TextDVD-RAM, DVD+R, DVD+R DL, DVD+RW, DVD-R, DVD-R DL,DVD-RW, DVD-ROM, DVD-Video,CD-R, CD-RW, CD-RA, CD-ROM,CD-ROM/XA, CD-Audio, Video-CD,Photo CD, CD-I(FMV), CD-Extra,CD-TEXT
Dimensions (WxDxH)Differs148 x 175 x 42 mm148.8 x 184 x 42 mm
Drive devices burst data transfer rate (PIO)Differsmode 46.6 MB/sec
Drive devices burst data transfer rate (Ultra DMA)DiffersUltra DMA 6633.3 MB/sec
Buffer sizeKnown for one512 KB
Drive devices burst data transfer rate (DMA)Known for one16.6 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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