Product comparison · 2 optical disc drives

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

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  • 22specifications compared
  • 18differ
  • 4identical
  • 30known for one product only

Key differences

  • CD write speed
    • DRW-20B1LT DVD+/-RW, Light Scribe, SATA:48x
    • ThinkPad CD-RW/DVD-ROM Ultrabay Enhanced Drive (Serial ATA):24x
  • CD rewrite speed
    • DRW-20B1LT DVD+/-RW, Light Scribe, SATA:32x
    • ThinkPad CD-RW/DVD-ROM Ultrabay Enhanced Drive (Serial ATA):24x
  • CD-R write speed
    • DRW-20B1LT DVD+/-RW, Light Scribe, SATA:32x
    • ThinkPad CD-RW/DVD-ROM Ultrabay Enhanced Drive (Serial ATA):24x
  • CD-RW write speed
    • DRW-20B1LT DVD+/-RW, Light Scribe, SATA:32x
    • ThinkPad CD-RW/DVD-ROM Ultrabay Enhanced Drive (Serial ATA):24x
  • CD read speed
    • DRW-20B1LT DVD+/-RW, Light Scribe, SATA:40x
    • ThinkPad CD-RW/DVD-ROM Ultrabay Enhanced Drive (Serial ATA):24x
  • CD-R read speed
    • DRW-20B1LT DVD+/-RW, Light Scribe, SATA:40x
    • ThinkPad CD-RW/DVD-ROM Ultrabay Enhanced Drive (Serial ATA):24x
  • CD-ROM read speed
    • DRW-20B1LT DVD+/-RW, Light Scribe, SATA:16x
    • ThinkPad CD-RW/DVD-ROM Ultrabay Enhanced Drive (Serial ATA):24x
  • CD-RW read speed
    • DRW-20B1LT DVD+/-RW, Light Scribe, SATA:40x
    • ThinkPad CD-RW/DVD-ROM Ultrabay Enhanced Drive (Serial ATA):24x

Side by side

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Comparison of DRW-20B1LT DVD+/-RW, Light Scribe, SATA, ThinkPad CD-RW/DVD-ROM Ultrabay Enhanced Drive (Serial ATA)
52 specifications
Designidentical
InternalYesYes
Product colourKnown for oneBlackUnknown — not stated by the source
MountingKnown for oneVertical/HorizontalUnknown — not stated by the source
CertificationKnown for oneUnknown — not stated by the sourceCE, CSA, TUV, UL, MIC, C-Tick, BSMI
Performanceidentical
InterfaceSerial ATASerial ATA
LightScribeKnown for oneYesUnknown — not stated by the source
Drive device, buffer size2 MB2 MB
Optical disc diameterKnown for one120 mmUnknown — not stated by the source
Mean time between failures (MTBF)Known for one60000 hUnknown — not stated by the source
Writing speed4 differ
CD write speedDiffers48x24x
CD rewrite speedDiffers32x24x
CD-R write speedDiffers32x24x
CD-RW write speedDiffers32x24x
DVD+R Double Layer write speedKnown for one12xUnknown — not stated by the source
DVD+R write speedKnown for one20xUnknown — not stated by the source
DVD+RW write speedKnown for one8xUnknown — not stated by the source
DVD-R Double Layer write speedKnown for one12xUnknown — not stated by the source
DVD-R write speedKnown for one20xUnknown — not stated by the source
DVD-RAM write speedKnown for one12xUnknown — not stated by the source
DVD-RW write speedKnown for one6xUnknown — not stated by the source
Reading speed11 differ
CD read speedDiffers40x24x
CD-R read speedDiffers40x24x
CD-ROM read speedDiffers16x24x
CD-RW read speedDiffers40x24x
DVD+R read speedDiffers16x6x
DVD-R Double Layer read speedDiffers12x6x
DVD-R read speedDiffers16x6x
DVD-ROM read speedDiffers16x8x
DVD-RW read speedDiffers12x4x
DVD+R Double Layer read speedDiffers12x6x
DVD+RW read speedDiffers12x4x
DVD-RAM read speedKnown for oneUnknown — not stated by the source5x
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 oneYesUnknown — not stated by the source
Multi sessionKnown for oneYesUnknown — not stated by the source
Packet writingKnown for oneYesUnknown — not stated by the source
Random writeKnown for oneYesUnknown — not stated by the source
Sequential writingKnown for oneYesUnknown — not stated by the source
Session-at-once (SAO)Known for oneYesUnknown — not stated by the source
Track-at-once (TAO)Known for oneYesUnknown — not stated by the source
Variable packetKnown for oneYesUnknown — not stated by the source
Operational conditionsidentical
Operating relative humidity (H-H)Known for one5 - 85%Unknown — not stated by the source
Operating temperature (T-T)Known for one5 - 45 °CUnknown — not stated by the source
Storage relative humidity (H-H)Known for one5 - 90%Unknown — not stated by the source
Storage temperature (T-T)Known for one-20 - 60 °CUnknown — not stated by the source
Weight & dimensionsidentical
HeightKnown for one41.3 mmUnknown — not stated by the source
WeightKnown for one610 gUnknown — not stated by the source
Other features2 differ
Power requirementsKnown for oneDC+5V ±5%, DC+12V ±10 %Unknown — not stated by the source
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 mmUnknown — not stated by the source
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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