Forgive my ignorance, but don't all current cards support 4K? And the NVidia drivers would support that under Linux (<- assumption). For example, this card ($220 at ME) claims to support four 4K monitors (DP, HDMI, DVI-D):
https://www.memoryexpress.com/Products/MX64640

Have you had trouble in the past, or is this just due diligence?

On Fri, Apr 6, 2018 at 12:52 PM, Gilles Detillieux <grdetil@scrc.umanitoba.ca> wrote:
Hi. Does anyone on the list have experience and recommendations on how to support a 4k monitor under Linux? We want to use a single Dell 27" 4k monitor (P2715Q) with a CentOS 7 system. What would be a good choice for a PCIe x16 video card, preferably with DisplayPort output, that can support 4k@60 Hz and has good driver support under X.org - hopefully without having to resort to 3rd party pre-compiled, version-specific binary kernel modules? If we can keep the price for the card below $200-$300 that would be great.

Unfortunately my Google searches this morning for this have had a pretty low signal to noise ratio. Mostly people having problems with nVidia drivers.

Possibly relevant h/w info:
ASUS M5A78L-Mlx+ motherboard and AMD FX-6350 CPU. Power supply has a spare 6-pin (3x2) PCI-E power connector for cards that require a dedicated power connection.

Thanks for any advice.

Gilles
-- 
Gilles R. Detillieux              E-mail: <grdetil@scrc.umanitoba.ca>
Spinal Cord Research Centre       WWW:    http://www.scrc.umanitoba.ca/
Dept. of Physiology and Pathophysiology, Rady Faculty of Health Sciences,
Univ. of Manitoba  Winnipeg, MB  R3E 0J9  (Canada)

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