Re: 4 monitors on 1 computer?
If both cards use the same drivers you are set to go.
After you install the card just right click on a your main screen then your ATI control panel and set the 4th screen up just like you did the 3 screens,
There is no magic to it and is vey easy to do.
I have had 2 work computers running with 4 monitors for years.
Just remember, you can not use all four screen if you enable Crossfire.
Asus M8Z77-V Deluxe
Intel 3770K
G-Skill 1600 16G
Corsair H100
EVGA 670 GTX
2 Corsair Force 3 120G (Raid 0)
2 x Seagate 1T 6G
2 Samsung SyncMaster T260HD Monitors
Thermaltake Level 10 UGK
Silverstone Olympia OP1000 1000W
Windows 8
Never argue with idiots, they will drag you down to their level and beat you with experience.