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Product comparison · 2 optical disc drives

LG DVD-ROM 16x, Black vs NEC AD-7170S DVD-RW 18x SATA

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  • 10specifications compared
  • 8differ
  • 2identical
  • 21known for one product only

Key differences

  • Product colour
    • Black
    • Beige
  • Interface
    • EIDE/ATA
    • Serial ATA
  • CD read speed
    • 52x
    • 48x
  • DVD drive average random access time
    • 110 ms
    • 160 ms
  • Access time
    • 98 ms
    • 140 ms
  • Weight
    • 780 g
    • 705 g
  • Dimensions (WxDxH)
    • 146 x 184.6 x 41.3 mm
    • 148 x 175 x 42 mm

Side by side

Differences highlightedShow differences only
31 specifications
A

LG

DVD-ROM 16x, BlackView product
B

NEC

AD-7170S DVD-RW 18x SATAView product
Design1 differ
InternalYesYes
Product colourDiffersBlackBeige
Disc loading typeKnown for oneTray
Performance1 differ
InterfaceDiffersEIDE/ATASerial ATA
Drive device, buffer sizeKnown for one0.256 MB
Writing speedidentical
CD write speedKnown for one48x
CD rewrite speedKnown for one32x
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 speed1 differ
CD read speedDiffers52x48x
DVD read speed16x16x
DVD+R read speedKnown for one16x
DVD-R read speedKnown for one16x
Access time2 differ
DVD drive average random access timeDiffers110 ms160 ms
Access timeDiffers98 ms140 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 & dimensions1 differ
WeightDiffers780 g705 g
Other features2 differ
Media types supportedDiffersDVD+R/+RW, DVD-R/ RW, DVD-RAM, DVD-ROM, CD-R/RW, CD-ROM Mode 1,2, CD-DA, CD-I FMV, CD-ROM XA, Mixed CD, CD Extra, CD Plus, CD Text, Photo-CD, Video CDDVD-ROM, DVD-R (DL), DVD-RW, DVD-RAM, DVD +R, DVD +RW, DVD +R9, CD-ROM, CD-R and CD-RW with 80mm and 120mm diameter
Dimensions (WxDxH)Differs146 x 184.6 x 41.3 mm148 x 175 x 42 mm
Compatible operating systemsKnown for oneWindows 95/98/Me/2000/XP
Mac compatibilityKnown for oneNo
Number of optical discsKnown for one1 discs

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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