Please kindly confirm the maximum number of displays that we can connect with 2 x R9 290x Radeon GPU in crossfire configuration with ATI Catalyst Omega Drivers.
Information about Multiple Display Support for R Series Cards:
As shown in the above screenshot, the R Series cards can support 3 displays, without Active Adapters, when the first 2 displays are connected to the DVI ports and the 3rd to the HDMI port. After that you can connect a MST 1.2 Display Port Hub to add a further 3 displays. The 3 Displays connected to the MST 1.2 Hub do require Active Adapters.
This ONLY works when 2 displays are connected to the DVI ports and the 3rd to the HDMI port.
You can read more about R Series multiple display connection setups on the following link:
You can read more about approved MST 1.2 Hubs on the following link:
You can find a list of approved Active Adapters here:
I intend to connect to 2 ATI Radeon GPUs in Cross fire mode on a workstation. Can i connect 12 1080p Display port based LED Screens.
LEDs from 1 to 6 will connect with GPU No.1 and LEDs from 7 to 12 will connect with GPU No.2 via display port. I will also use 4 - 1into3 MST DP1.2 hubs.
ATI Radeon cards are also available in 2 Display port option which shall let me use 2 MST DP1.2 Hubs with each GPU.
ATI Omega Drivers slides on the web confirm support for upto 24 display support via 4 GPU when used in Crossfire as per below URL:-
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