Product comparison · 2 optical disc drives

ASUS ZenDrive U9M vs Dynabook Ultra-slim USB DVD-RW Drive

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  • 34specifications compared
  • 13differ
  • 21identical
  • 28known for one product only

Key differences

The ASUS ZenDrive U9M has 2 x more DVD-R Double Layer read speed than the Dynabook Ultra-slim USB DVD-RW Drive (8x vs 6x). The ASUS ZenDrive U9M has 2 x more DVD-RW read speed than the Dynabook Ultra-slim USB DVD-RW Drive (8x vs 6x). The ASUS ZenDrive U9M has 2 x more DVD+R Double Layer read speed than the Dynabook Ultra-slim USB DVD-RW Drive (8x vs 6x). Disc loading type: Tray on the ASUS ZenDrive U9M, Front on the Dynabook Ultra-slim USB DVD-RW Drive. Optical drive type: DVD±RW on the ASUS ZenDrive U9M, DVD-RW on the Dynabook Ultra-slim USB DVD-RW Drive.

  • Disc loading type
    • ZenDrive U9M:Tray
    • Ultra-slim USB DVD-RW Drive:Front
  • Optical drive type
    • ZenDrive U9M:DVD±RW
    • Ultra-slim USB DVD-RW Drive:DVD-RW
  • DVD-R Double Layer read speed
    • ZenDrive U9M:8x
    • Ultra-slim USB DVD-RW Drive:6x
  • DVD-RW read speed
    • ZenDrive U9M:8x
    • Ultra-slim USB DVD-RW Drive:6x
  • DVD+R Double Layer read speed
    • ZenDrive U9M:8x
    • Ultra-slim USB DVD-RW Drive:6x
  • DVD drive average random access time
    • ZenDrive U9M:160 ms
    • Ultra-slim USB DVD-RW Drive:130 ms
  • CD-ROM drive average random access time
    • ZenDrive U9M:140 ms
    • Ultra-slim USB DVD-RW Drive:130 ms
  • Depth
    • ZenDrive U9M:142.5 mm
    • Ultra-slim USB DVD-RW Drive:139.3 mm

Side by side

Differences highlightedShow differences only (on)
Comparison of ZenDrive U9M, PS0048UA1DVD
62 specifications
B

Dynabook

Ultra-slim USB DVD-RW Drive

Model PS0048UA1DVD

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Design1 differ
Disc loading typeDiffersTrayFront
MountingKnown for oneHorizontalUnknown — not stated by the source
Performance2 differ
Optical drive typeDiffersDVD±RWDVD-RW
Disc types supportedDiffersCD-R, CD-ROM, CD-RW, DVD+R, DVD+R DL, DVD+RW, DVD-R, DVD-R DL, DVD-ROM, DVD-RWCD-R, CD-ROM, CD-RW, DVD+R, DVD+RW, DVD-R, DVD-RW
Drive device, buffer sizeKnown for oneUnknown — not stated by the source0.75 MB
Writing speedidentical
DVD+R M-DISC write speedKnown for one4xUnknown — not stated by the source
Reading speed3 differ
DVD-R Double Layer read speedDiffers8x6x
DVD-RW read speedDiffers8x6x
DVD-Video read speedKnown for one4xUnknown — not stated by the source
DVD+R M-DISC read speedKnown for one8xUnknown — not stated by the source
DVD-ROM Double Layer read speedKnown for one8xUnknown — not stated by the source
Video CD read speedKnown for one10xUnknown — not stated by the source
Audio CD read speedKnown for one10xUnknown — not stated by the source
DVD+R Double Layer read speedDiffers8x6x
DVD-ROM read speedKnown for oneUnknown — not stated by the source8x
Access time2 differ
DVD drive average random access timeDiffers160 ms130 ms
CD-ROM drive average random access timeDiffers140 ms130 ms
Record modesidentical
Disc-at-once (DAO)Known for oneYesUnknown — not stated by the source
Incremental recordingKnown for oneYesUnknown — not stated by the source
Multi sessionKnown for oneYesUnknown — not stated by the source
Over-burn writingKnown 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
Restricted overwriteKnown 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
System requirements1 differ
Mac operating systems supportedKnown for oneMac OS X 10.10 Yosemite, Mac OS X 10.11 El Capitan, Mac OS X 10.12 Sierra, Mac OS X 10.6 Snow Leopard, Mac OS X 10.7 Lion, Mac OS X 10.8 Mountain Lion, Mac OS X 10.9 MavericksUnknown — not stated by the source
Windows operating systems supportedDiffersWindows 10, Windows 10 Education, Windows 10 Education x64, Windows 10 Enterprise, Windows 10 Enterprise x64, Windows 10 Home, Windows 10 Home x64, Windows 10 IOT Core, Windows 10 Pro, Windows 10 Pro x64, Windows 7, Windows 7 Enterprise, Windows 7 Enterprise x64, Windows 7 Home Basic, Windows 7 HomeWindows 10
Operational conditionsidentical
Operating relative humidity (H-H)Known for one15 - 80%Unknown — not stated by the source
Operating temperature (T-T)Known for one5 - 40 °CUnknown — not stated by the source
Storage relative humidity (H-H)Known for one10 - 90%Unknown — not stated by the source
Storage temperature (T-T)Known for one-30 - 60 °CUnknown — not stated by the source
Weight & dimensions3 differ
WidthKnown for one135.5 mmUnknown — not stated by the source
DepthDiffers142.5 mm139.3 mm
HeightDiffers13.9 mm13.5 mm
WeightDiffers245 g220 g
Packaging content1 differ
Bundled softwareKnown for oneCyberLink Power2Go 8, CyberLink PowerBackup 2.5, Nero BackItUp, E-GreenUnknown — not stated by the source
Cables includedDiffersUSB Type-A, USB Type-CUSB
Warranty cardKnown for oneUnknown — not stated by the sourceYes
Other featuresidentical
Recommended system requirementsKnown for oneUnknown — not stated by the sourceMicrosoft Windows 10 <br> 1GHz or faster CPU recommended.<br> 1GB RAM and 16GB free disk space required under 32-bit OS (2GB RAM and 20GB space under 64-bit OS) for creating DVD disc.<br>

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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