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PC Graphics

swagmaster
Journeyman III

R9 380 and 4 monitors

I am an owner of an XFX R9 380.

That has four outputs:

  • DisplayPort
  • HDMI
  • DVI-D
  • DVI-I

I used to have four monitors already running just fine:

  • HP EliteDisplay E221c | DisplayPort > DisplayPort
  • Acer W193HQ | VGA > HDMI (Active Adapter)
  • Acer W193HQ | VGA > DVI-D (Active Adapter)
  • Phillips 223V | VGA > DVI-I

Now that worked just fine, but I decided to remove the antiquated Acer's and replace them with two ultrawide monitors running in portrait on the side. This does not work however.

My current setup is:

  • HP EliteDisplay E221c | DisplayPort > DisplayPort
  • LG 25UM58-P | HDMI > HDMI
  • LG 25UM58-P | HDMI > DVI-D
  • Phillips 223V | VGA > DVI-I (Active Adapter)

The first three work, but the last does not. Do I need a MST Hub if I want more than 3 digital outputs?
Thanks

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