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Product comparison · 2 optical disc drives

ASUS DRW-20B1LT LightScribe DVD±R/RW vs ASUS DVD-E818A2T optical disc drive Internal Black

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  • 26specifications compared
  • 19differ
  • 7identical
  • 26known for one product only

Key differences

  • Drive device, buffer size
    • 2 MB
    • 0.198 MB
  • Mean time between failures (MTBF)
    • 60000 h
    • 100000 h
  • CD read speed
    • 40x
    • 48x
  • CD-R read speed
    • 40x
    • 48x
  • CD-RW read speed
    • 40x
    • 32x
  • DVD+R read speed
    • 16x
    • 10x
  • DVD-R Double Layer read speed
    • 12x
    • 8x
  • DVD-R read speed
    • 16x
    • 10x

Side by side

Differences highlightedShow differences only
52 specifications
A

ASUS

DRW-20B1LT LightScribe DVD±R/RWView product
B

ASUS

DVD-E818A2T optical disc drive Internal Black

Model DVD-E818A2T

View product
Designidentical
InternalYesYes
Product colourBlackBlack
MountingVertical/HorizontalVertical/Horizontal
Performance2 differ
InterfaceSerial ATASerial ATA
LightScribeKnown for oneYes
Drive device, buffer sizeDiffers2 MB0.198 MB
Optical disc diameter120 mm120 mm
Mean time between failures (MTBF)Differs60000 h100000 h
Writing speedidentical
CD write speedKnown for one48x
CD rewrite speedKnown for one32x
CD-R write speedKnown for one32x
CD-RW write speedKnown for one32x
DVD+R Double Layer write speedKnown for one12x
DVD+R write speedKnown for one20x
DVD+RW write speedKnown for one8x
DVD-R Double Layer write speedKnown for one12x
DVD-R write speedKnown for one20x
DVD-RAM write speedKnown for one12x
DVD-RW write speedKnown for one6x
Reading speed9 differ
CD read speedDiffers40x48x
CD-R read speedDiffers40x48x
CD-ROM read speedKnown for one16x
CD-RW read speedDiffers40x32x
DVD+R read speedDiffers16x10x
DVD-R Double Layer read speedDiffers12x8x
DVD-R read speedDiffers16x10x
DVD-ROM read speedKnown for one16x
DVD-RW read speedDiffers12x10x
DVD+R Double Layer read speedDiffers12x8x
DVD+RW read speedDiffers12x10x
DVD read speedKnown for one18x
Access time2 differ
DVD drive average random access timeDiffers140 ms105 ms
CD-ROM drive average random access timeDiffers150 ms95 ms
Record modesidentical
Disc-at-once (DAO)Known for oneYes
Multi sessionKnown for oneYes
Packet writingKnown for oneYes
Random writeKnown for oneYes
Sequential writingKnown for oneYes
Session-at-once (SAO)Known for oneYes
Track-at-once (TAO)Known for oneYes
Variable packetKnown for oneYes
Operational conditions1 differ
Operating relative humidity (H-H)Differs20 - 85%20 - 80%
Operating temperature (T-T)5 - 45 °C5 - 45 °C
Storage relative humidity (H-H)Known for one10 - 90%
Storage temperature (T-T)-20 - 60 °C-20 - 60 °C
Weight & dimensions1 differ
HeightKnown for one41.3 mm
WeightDiffers610 g645 g
Other features4 differ
Power requirementsDiffersDC+5V ±5%, DC+12V ±10 %DC+5V ±5%,DC+12V ±10 %
Media types supportedDiffersDVD-ROM, DVD+/-RW, DVD+/-R, 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-Extra,CD-Text,CD-R,CD-RW,DVD-RAM
Dimensions (WxDxH)Differs146 x 170 x 41.3 mm148 x 172.4 x 42.3 mm
Compatible operating systemsDiffersWindows 2000/98/NT/XP/VistaWindows 2000, Windows 98, XP, Vista
Non-operating relative humidity (non-condensing)Known for one15 - 85%

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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