Connector Type



Host Interface

Mini-DisplayPort (20 pin) Male

Video Interface

DisplayPort (20 pin) Female


Power Source


Physical Specifications

Housing Material



Main body: 7.6 (W) x 3.3 (H) x 1.6 (D) cm
Cable length: 5.9 in./15 cm


Approximately 0.0425 kg

  • The graphics card for DisplayPort 1.2 with MST+HBR2
  • Available DisplayPort alt mode over USB type-C port
  • Mac OS X does not support MST + HBR2
  • Requires an external USB Power source (USB cable included)
  • Extended dual HDMI supported by Windows only (Microsoft Surface Pro2, Pro3, Pro4, Book supports MST+HBR2)

    See Table Below for Details

Model Mini Display Port MST Graphics Card
Surface Pro DP 1.1 No Intel HD Graphics 4000
Surface Pro 2 DP 1.2 Yes Intel HD Graphics 4400
Surface 3 DP 1.1 No Intel HD Graphics (Cherry Trail)
Surface Pro 3 DP 1.2 Yes
  • Intel HD Graphics 4200
  • Intel HD Graphics 4400
  • Intel HD Graphics 5000
Surface Pro 4* DP 1.2 Yes
  • Intel HD Graphics 515
  • Intel HD Graphics 520
  • Intel Iris 540
Surface Book DP 1.2 Yes Intel HD Graphics 520
*Mac OS X does not support extended mode

• The graphics card requires a minimum of DisplayPort 1.2 with MST+HBR2 for dual independent display output (Microsoft Surface Pro2, Pro3, Pro4 and Book support MST+HBR2.

Package Contents

  • JDA146 Mini DisplayPort to Dual DisplayPort Adapter
  • 7.8 in. / 20 cm USB cable
  • Quick Installation Guide

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