Originally Posted by prefect42
These are only good for low resolutions as far as I'm aware (single link DVI). I'm running 2560x1440@60Hz so need dual-link. Active DP-DVI dongles are about 80 quid a pop. These monitors form part of a number of display walls, so I'd need quite a few.
I bought one of the dell OEM (bizlink) ddual link DVI active adapters for pretty cheap from a seller in texas for ~$50 shipped:
Found this seller in the UK selling them pretty cheap too: