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Product comparison · 2 optical disc drives

ASUS DRW-20B1LT DVD+/-RW, Light Scribe, SATA vs Lenovo ThinkPad DVD-ROM Ultrabay Enhanced Drive (Serial ATA)

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  • 14specifications compared
  • 10differ
  • 4identical
  • 41known for one product only

Key differences

  • CD read speed
    • 40x
    • 24x
  • CD-R read speed
    • 40x
    • 24x
  • CD-RW read speed
    • 40x
    • 24x
  • DVD+R read speed
    • 16x
    • 8x
  • DVD-R Double Layer read speed
    • 12x
    • 6x
  • DVD-R read speed
    • 16x
    • 8x
  • DVD+R Double Layer read speed
    • 12x
    • 6x
  • DVD drive average random access time
    • 140 ms
    • 170 ms

Side by side

Differences highlightedShow differences only
55 specifications
A

ASUS

DRW-20B1LT DVD+/-RW, Light Scribe, SATAView product
B

Lenovo

ThinkPad DVD-ROM Ultrabay Enhanced Drive (Serial ATA)View product
Designidentical
InternalYesYes
Product colourKnown for oneBlack
MountingKnown for oneVertical/Horizontal
CertificationKnown for oneCE, CSA, TUV, UL, MIC, C-Tick, BSMI
Performanceidentical
InterfaceSerial ATASerial ATA
LightScribeKnown for oneYes
Drive device, buffer size2 MB2 MB
Optical disc diameterKnown for one120 mm
Mean time between failures (MTBF)Known for one60000 h
Optical drive typeKnown for oneDVD-ROM
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 speed7 differ
CD read speedDiffers40x24x
CD-R read speedDiffers40x24x
CD-ROM read speedKnown for one16x
CD-RW read speedDiffers40x24x
DVD+R read speedDiffers16x8x
DVD-R Double Layer read speedDiffers12x6x
DVD-R read speedDiffers16x8x
DVD-ROM read speedKnown for one16x
DVD-RW read speedKnown for one12x
DVD+R Double Layer read speedDiffers12x6x
DVD+RW read speedKnown for one12x
DVD read speedKnown for one8x
Access time1 differ
DVD drive average random access timeDiffers140 ms170 ms
CD-ROM drive average random access time150 ms150 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 conditionsidentical
Operating relative humidity (H-H)Known for one5 - 85%
Operating temperature (T-T)Known for one5 - 45 °C
Storage relative humidity (H-H)Known for one5 - 90%
Storage temperature (T-T)Known for one-20 - 60 °C
Weight & dimensions1 differ
HeightDiffers41.3 mm0.5 in
WeightKnown for one610 g
WidthKnown for one5.04 in
DepthKnown for one5 in
Other features1 differ
Power requirementsKnown for oneDC+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-RAMCD-R, CD-RW, DVD-RAM, DVD-R, DVD-RW, DVD+R, DVD+RW, DVD+R DL, DVD-R DL
Dimensions (WxDxH)Known for one146 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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