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Product comparison · 2 optical disc drives

BenQ DW1670 ivory Bulk vs NEC AD-7170A optical disc drive Internal DVD-RW

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  • 16specifications compared
  • 10differ
  • 6identical
  • 25known for one product only

Key differences

  • CD write speed
    • 40x
    • 48x
  • CD rewrite speed
    • 24x
    • 32x
  • DVD+R write speed
    • 16x
    • 18x
  • DVD-R Double Layer write speed
    • 4x
    • 8x
  • DVD-R write speed
    • 16x
    • 18x
  • CD read speed
    • 40x
    • 48x
  • Weight
    • 800 g
    • 705 g
  • Dimensions (WxDxH)
    • 178 x 146 x 42 mm
    • 148 x 42 x 175 mm

Side by side

Differences highlightedShow differences only
41 specifications
A

BenQ

DW1670 ivory BulkView product
B

NEC

AD-7170A optical disc drive Internal DVD-RW

Model AD-7170A

View product
Designidentical
InternalYesYes
Product colourKnown for oneBlack
MountingKnown for oneVertical/Horizontal
Performanceidentical
InterfaceEIDE/ATAEIDE/ATA
Drive device, buffer size2 MB2 MB
Optical drive typeKnown for oneDVD-RW
Writing speed5 differ
CD write speedDiffers40x48x
CD rewrite speedDiffers24x32x
CD-R write speedKnown for one40x
CD-RW write speedKnown for one24x
DVD+R Double Layer write speedKnown for one8x
DVD+R write speedDiffers16x18x
DVD+RW write speed8x8x
DVD-R Double Layer write speedDiffers4x8x
DVD-R write speedDiffers16x18x
DVD-RAM write speedKnown for one5x
DVD-RW write speed6x6x
DVD write speedKnown for one16x
DVD rewrite speedKnown for one8x
Reading speed1 differ
CD read speedDiffers40x48x
CD-R read speedKnown for one40x
CD-ROM read speedKnown for one40x
CD-RW read speedKnown for one40x
DVD-RW read speedKnown for one16x
DVD+RW read speedKnown for one16x
DVD-RAM read speedKnown for one12x
Operational conditionsidentical
Operating relative humidity (H-H)Known for one8 - 80%
Operating temperature (T-T)Known for one5 - 45 °C
Weight & dimensions1 differ
WeightDiffers800 g705 g
Other features3 differ
Power requirementsKnown for oneDC 5V +/- 5%, 1.8A, DC12V+/- 10%, 1.3A
Media types supportedDiffersDVD+R DL 8.5GB DVD-R DL 8.5GB DVD+R 4.7GB DVD+RW 4.7GB DVD-R 4.7GB DVD-RW 4.7GB (Close session) DVD-RAM 2.6 GB DVD-RAM 4.7 GB Read: DVD-5 DVD-9 DVD-10 DVD-18 DVD+R/-R/+RW/-RW, CD-DA CD-ROM XA (m1, m2f1/m2f2) CD-R CD-RW Bootable CD Photo CD (single & multi-session) Video CD Super Video CD CD-Extra MiDVD-ROM, DVD-R (DL), DVD-RW, DVD-RAM, DVD +R, DVD +RW, DVD +R9, CD-ROM, CD-R, CD-RW 80mm & 120mm di
Write methodsDiffersTrack-at-Once, Disc-at-Once, Multisession, Packet Writing (fixed & variable packet), CD Digital Audio, Direct-Over-Write on CD-RW, Test WriteDAO, SAO, TAO zero gap, variable / fixed packet, multisession
Dimensions (WxDxH)Differs178 x 146 x 42 mm148 x 42 x 175 mm
Number of optical discs1 discs1 discs
DVD+R speedKnown for one16x
DVD+RW speedKnown for one16x
DVD-R speedKnown for one16x
DVD-RW speedKnown for one16x
Double Layer DVD write speedKnown for one8x
Access timeidentical
DVD drive average random access timeKnown for one160 ms
Access timeKnown for one140 ms

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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