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Product comparison · 2 optical disc drives

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

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  • 13specifications compared
  • 10differ
  • 3identical
  • 38known for one product only

Key differences

  • CD read speed
    • 40x
    • 24x
  • CD-RW read speed
    • 40x
    • 24x
  • DVD-R Double Layer read speed
    • 12x
    • 8x
  • DVD+R Double Layer read speed
    • 12x
    • 8x
  • DVD drive average random access time
    • 140 ms
    • 120 ms
  • CD-ROM drive average random access time
    • 150 ms
    • 110 ms
  • Height
    • 41.3 mm
    • 9.5 mm
  • Weight
    • 610 g
    • 100 g

Side by side

Differences highlightedShow differences only
51 specifications
A

ASUS

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

Lenovo

ThinkPad DVD-ROM Ultrabay Slim Drive Serial ATAView product
Designidentical
Product colourKnown for oneBlack
MountingKnown for oneVertical/Horizontal
CertificationKnown for oneBSMI, C-Tick, CE, CSA, MIC (Korea), TÜV, UL
Performanceidentical
LightScribeKnown for oneYes
Optical disc diameterKnown for one120 mm
Mean time between failures (MTBF)Known for one60000 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 speed4 differ
CD read speedDiffers40x24x
CD-R read speedKnown for one40x
CD-ROM read speedKnown for one16x
CD-RW read speedDiffers40x24x
DVD+R read speedKnown for one16x
DVD-R Double Layer read speedDiffers12x8x
DVD-R read speedKnown for one16x
DVD-ROM read speedKnown for one16x
DVD-RW read speedKnown for one12x
DVD+R Double Layer read speedDiffers12x8x
DVD+RW read speedKnown for one12x
Access time2 differ
DVD drive average random access timeDiffers140 ms120 ms
CD-ROM drive average random access timeDiffers150 ms110 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 & dimensions2 differ
HeightDiffers41.3 mm9.5 mm
WeightDiffers610 g100 g
Other features2 differ
Power requirementsKnown for oneDC+5V ±5%, DC+12V ±10 %
Media types supportedKnown for oneDVD-ROM, DVD+/-RW, DVD+/-R, Photo CD, Video CD, CD-DA, CD-Extra, CD-Text, CD-R, CD-RW, DVD-RAM
Dimensions (WxDxH)Differs146 x 170 x 41.3 mm128 x 129 x 9.5 mm
Compatible operating systemsDiffersWindows 2000/98/NT/XP/VistaMicrosoft Windows XP, Windows 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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