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Product comparison · 2 optical disc drives

NEC AD-7170A DVD-RW 18x vs NEC BC-5500A optical disc drive Internal Black

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  • 11specifications compared
  • 7differ
  • 4identical
  • 28known for one product only

Key differences

  • CD write speed
    • 48x
    • 16x
  • CD rewrite speed
    • 32x
    • 10x
  • CD read speed
    • 48x
    • 24x
  • DVD drive average random access time
    • 160 ms
    • 200 ms
  • Weight
    • 705 g
    • 200 g
  • Dimensions (WxDxH)
    • 148 x 175 x 42 mm
    • 128 x 129 x 12.7 mm

Side by side

Differences highlightedShow differences only
39 specifications
A

NEC

AD-7170A DVD-RW 18xView product
B

NEC

BC-5500A optical disc drive Internal Black

Model BC-5500A

View product
Designidentical
MountingKnown for oneVertical/Horizontal
Performanceidentical
Drive device, buffer sizeKnown for one4.5 MB
Writing speed2 differ
CD write speedDiffers48x16x
CD rewrite speedDiffers32x10x
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 speedDiffers48x24x
DVD read speedKnown for one16x
BD-ROM read speedKnown for one2x
DVD+R read speedKnown for one8x
DVD-R Double Layer read speedKnown for one4x
DVD-R read speedKnown for one8x
DVD-RAM read speedKnown for one5x
DVD-RW read speedKnown for one4x
DVD+R Double Layer read speedKnown for one4x
DVD+RW read speedKnown for one4x
Access time1 differ
DVD drive average random access timeDiffers160 ms200 ms
Access timeKnown for one140 ms
BD-ROM average random access timeKnown for one320 ms
CD-ROM drive average random access timeKnown for one190 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
WeightDiffers705 g200 g
Other features2 differ
Media types supportedDiffersDVD-ROM, DVD-Video, CD-ROM, CD-ROM XA, CD-I Ready, CD-Bridge, PhotoCD, VideoCD, CD-DA, CD Extra, CD TextBD-R, BD-R DL, BD-RE, BD-RE DL, DVD-R, DVD-ROM, DVD-R, DVD-R DL, DVD-RW, DVD-RAM, DVD +R, DVD +R9, DVD +RW, CD-R, CD-RW, BD-ROM, BD-AV (read), DVD-ROM, DVD-Video, CD-DA, CD-ROM (XA), CD Extra, Video CD, Photo CD, CD Text
Dimensions (WxDxH)Differs148 x 175 x 42 mm128 x 129 x 12.7 mm
Drive devices burst data transfer rate (PIO)Known for onemode 4
Drive devices burst data transfer rate (Ultra DMA)Known for oneUltra DMA 66

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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