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Product comparison · 2 optical disc drives

LG Combo, CD Rewriter & DVD Rom reader, Black vs NEC AD-7173A DVD-RW 18x black

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  • 12specifications compared
  • 6differ
  • 6identical
  • 27known for one product only

Key differences

  • CD write speed
    • 52x
    • 48x
  • CD read speed
    • 52x
    • 48x
  • DVD drive average random access time
    • 120 ms
    • 160 ms
  • Access time
    • 100 ms
    • 140 ms
  • Weight
    • 700 g
    • 705 g
  • Dimensions (WxDxH)
    • 146 x 165 x 41.3 mm
    • 148 x 175 x 42 mm

Side by side

Differences highlightedShow differences only
39 specifications
A

LG

Combo, CD Rewriter & DVD Rom reader, BlackView product
B

NEC

AD-7173A DVD-RW 18x blackView product
Performanceidentical
Drive device, buffer sizeKnown for one2 MB
Plug and PlayKnown for oneYes
Writing speed1 differ
CD write speedDiffers52x48x
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
CD-R write speedKnown for one5x
CD-RW write speedKnown for one32x
Reading speed1 differ
CD read speedDiffers52x48x
CD-R read speedKnown for one52x
CD-ROM read speedKnown for one52x
CD-RW read speedKnown for one52x
DVD+R read speedKnown for one16x
DVD-R read speedKnown for one16x
DVD-RW read speedKnown for one16x
DVD+RW read speedKnown for one16x
Access time2 differ
DVD drive average random access timeDiffers120 ms160 ms
Access timeDiffers100 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
WeightDiffers700 g705 g
Other features1 differ
Media types supportedKnown for oneDVD-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 165 x 41.3 mm148 x 175 x 42 mm
Drive devices burst data transfer rate (PIO)Known for onePIO mode 4
Drive devices burst data transfer rate (Ultra DMA)Known for oneUltra DMA 66
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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