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Product comparison · 2 optical disc drives

ASUS DVD-E616A optical disc drive Internal Black vs NEC AD-7540A DVD-RW 8x slim for notebooks

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  • 8specifications compared
  • 6differ
  • 2identical
  • 31known for one product only

Key differences

  • CD read speed
    • 48x
    • 24x
  • DVD read speed
    • 16x
    • 8x
  • DVD drive average random access time
    • 120 ms
    • 180 ms
  • Weight
    • 830 g
    • 180 g
  • Dimensions (WxDxH)
    • 42.6 x 173 x 148.5 mm
    • 128 x 129 x 12.7 mm

Side by side

Differences highlightedShow differences only
39 specifications
A

ASUS

DVD-E616A optical disc drive Internal Black

Model DVD-E616A

View product
B

NEC

AD-7540A DVD-RW 8x slim for notebooksView product
Designidentical
Disc loading typeKnown for oneTray
Product colourKnown for oneBlack
MountingKnown for oneVertical/Horizontal
Performanceidentical
Drive device, buffer sizeKnown for one2 MB
Optical disc diameterKnown for one120 mm
Mean time between failures (MTBF)Known for one100000 h
Writing speedidentical
CD write speedKnown for one24x
CD rewrite speedKnown for one24x
DVD+R write speedKnown for one8x
DVD+RW write speedKnown for one8x
DVD-R Double Layer write speedKnown for one4x
DVD-R write speedKnown for one8x
DVD-RAM write speedKnown for one5x
DVD-RW write speedKnown for one6x
Reading speed2 differ
CD read speedDiffers48x24x
DVD read speedDiffers16x8x
Access time1 differ
DVD drive average random access timeDiffers120 ms180 ms
Access timeKnown for one150 ms
CD-ROM drive average random access timeKnown for one120 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
WeightDiffers830 g180 g
Other features2 differ
Media types supportedDiffersDVD-5, DVD-9, DVD-10, DVD-18, DVD-ROM, DVD-R/RW, DVD-Video, DVD+R/RW, Audio CD, CD-ROM/XA, Video CD, CD-I, Multi-session Photo CD, Karaoke CD, CD-Extra, CD-TEXTDVD-ROM, DVD-R (DL), DVD-RW, DVD-RAM, DVD +R, DVD +R9, DVD +RW, CD-ROM, CD-R, CD-RW
Dimensions (WxDxH)Differs42.6 x 173 x 148.5 mm128 x 129 x 12.7 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 33
Compatible operating systemsKnown for oneWindows XP/ ME/ 2000/ 98SE
Maximum data transfer rateKnown for one16.6 Mbit/s
Number of optical discsKnown for one1 discs
Non-operating relative humidity (non-condensing)Known for one15 - 85%
Operational conditionsidentical
Operating relative humidity (H-H)Known for one20 - 80%
Operating temperature (T-T)Known for one5 - 45 °C
Storage temperature (T-T)Known for one-20 - 60 °C

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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