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Product comparison · 2 optical disc drives

ASUS DRW-1814BL - 18x DVD±RW vs ASUS DRW-20B1LT DVD+/-RW, Light Scribe, SATA

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  • 35specifications compared
  • 17differ
  • 18identical
  • 16known for one product only

Key differences

  • CD-R write speed
    • 48x
    • 32x
  • DVD+R Double Layer write speed
    • 8x
    • 12x
  • DVD+R write speed
    • 18x
    • 20x
  • DVD-R Double Layer write speed
    • 8x
    • 12x
  • DVD-R write speed
    • 8x
    • 20x
  • DVD-RAM write speed
    • 14x
    • 12x
  • CD read speed
    • 48x
    • 40x
  • CD-R read speed
    • 48x
    • 40x

Side by side

Differences highlightedShow differences only
51 specifications
A

ASUS

DRW-1814BL - 18x DVD±RWView product
B

ASUS

DRW-20B1LT DVD+/-RW, Light Scribe, SATAView product
Designidentical
InternalYesYes
Product colourKnown for oneBlack
MountingVertical/HorizontalVertical/Horizontal
Performanceidentical
InterfaceSerial ATASerial ATA
LightScribeYesYes
Drive device, buffer size2 MB2 MB
Optical disc diameterKnown for one120 mm
Mean time between failures (MTBF)Known for one60000 h
Writing speed6 differ
CD write speed48x48x
CD rewrite speed32x32x
CD-R write speedDiffers48x32x
CD-RW write speed32x32x
DVD+R Double Layer write speedDiffers8x12x
DVD+R write speedDiffers18x20x
DVD+RW write speed8x8x
DVD-R Double Layer write speedDiffers8x12x
DVD-R write speedDiffers8x20x
DVD-RAM write speedDiffers14x12x
DVD-RW write speed6x6x
Reading speed6 differ
CD read speedDiffers48x40x
CD-R read speedDiffers48x40x
CD-ROM read speedKnown for one16x
CD-RW read speed40x40x
DVD+R read speedDiffers8x16x
DVD-R Double Layer read speedDiffers8x12x
DVD-R read speedDiffers8x16x
DVD-ROM read speedKnown for one16x
DVD-RW read speedKnown for one12x
DVD+R Double Layer read speedDiffers8x12x
DVD+RW read speedKnown for one12x
DVD-RAM read speedKnown for one12x
Access timeidentical
DVD drive average random access time140 ms140 ms
CD-ROM drive average random access time150 ms150 ms
Record modesidentical
Disc-at-once (DAO)YesYes
Multi sessionKnown for oneYes
Packet writingKnown for oneYes
Random writeKnown for oneYes
Sequential writingKnown for oneYes
Session-at-once (SAO)YesYes
Track-at-once (TAO)YesYes
Variable packetKnown for oneYes
Operational conditions1 differ
Operating relative humidity (H-H)5 - 85%5 - 85%
Operating temperature (T-T)Known for one5 - 45 °C
Storage relative humidity (H-H)5 - 90%5 - 90%
Storage temperature (T-T)Differs5 - 90 °C-20 - 60 °C
Weight & dimensions2 differ
HeightDiffers42.6 mm41.3 mm
WeightDiffers800 g610 g
Other features2 differ
Power requirementsKnown for oneDC+5V ±5%, DC+12V ±10 %
Media types supportedDiffersDVD+/-R, DVD+/-RW, CD-R, CD-RW,DVD-RAM/DVD-ROM, DVD±R/RW, Photo CD, Video CD, CD-DA, CD-Extra, CD-Text, CD-R, CD-RW, DVD-RAMDVD-ROM, DVD+/-RW, DVD+/-R, Photo CD, Video CD, CD-DA, CD-Extra, CD-Text, CD-R, CD-RW, DVD-RAM
Dimensions (WxDxH)Differs148.5 x 173 x 42.6 mm146 x 170 x 41.3 mm
Compatible operating systemsKnown for oneWindows 2000/98/NT/XP/Vista

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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