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Product comparison · 2 optical disc drives

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

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  • 25specifications compared
  • 22differ
  • 3identical
  • 32known for one product only

Key differences

  • Drive device, buffer size
    • 2 MB
    • 8 MB
  • CD write speed
    • 48x
    • 16x
  • CD rewrite speed
    • 32x
    • 10x
  • CD-R write speed
    • 32x
    • 16x
  • CD-RW write speed
    • 32x
    • 10x
  • DVD+R write speed
    • 20x
    • 8x
  • DVD+RW write speed
    • 8x
    • 4x
  • DVD-R write speed
    • 20x
    • 8x

Side by side

Differences highlightedShow differences only
57 specifications
A

ASUS

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

Lenovo

ThinkPad Blu-ray Burner Ultrabay Slim Serial ATA DriveView product
Designidentical
InternalYesYes
Product colourKnown for oneBlack
MountingKnown for oneVertical/Horizontal
CertificationKnown for oneCE, CSA, TUV, UL, MIC, C-Tick, BSMI, VCCI, FCC
Performance1 differ
InterfaceSerial ATASerial ATA
LightScribeKnown for oneYes
Drive device, buffer sizeDiffers2 MB8 MB
Optical disc diameterKnown for one120 mm
Mean time between failures (MTBF)Known for one60000 h
Writing speed9 differ
CD write speedDiffers48x16x
CD rewrite speedDiffers32x10x
CD-R write speedDiffers32x16x
CD-RW write speedDiffers32x10x
DVD+R Double Layer write speedKnown for one12x
DVD+R write speedDiffers20x8x
DVD+RW write speedDiffers8x4x
DVD-R Double Layer write speedKnown for one12x
DVD-R write speedDiffers20x8x
DVD-RAM write speedDiffers12x5x
DVD-RW write speedDiffers6x4x
BD-R write speedKnown for one2x
BD-RE rewrite speedKnown for one2x
BD-RE write speedKnown for one2x
Reading speed9 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 speedDiffers12x6x
DVD+R Double Layer read speedDiffers12x6x
DVD+RW read speedDiffers12x6x
BD-ROM read speedKnown for one2x
DVD-RAM read speedKnown for one5x
Access time1 differ
DVD drive average random access timeDiffers140 ms180 ms
CD-ROM drive average random access time150 ms150 ms
BD-ROM average random access timeKnown for one300 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 & dimensionsidentical
HeightKnown for one41.3 mm
WeightKnown for one610 g
Other features2 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-ROM, DVD+R, DVD+RW, DVD+R DL, DVD-R DL, BD-R/BD-RE SL, BD-R/BD-RE DL
Dimensions (WxDxH)Known for one146 x 170 x 41.3 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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