Now that I have bought a 30 '' monitor with 2560x1600 resolution, I noticed in playing with the old GTX 275 of course slight losses. With the GTX 970 all is now clear again. Everything switched to maximum running games like FarCry 3, Half Life 2 etc. with Top Performance. Am rather looking for games that exhaust the possibilities of the graphics card at all.
I always use the original NVidia driver and had thus never had problems. When converting the old driver so I left and just replaced the card. Actually not entirely correct, you should only remove the driver. Windows then switched to standard VGA and I installed the new driver from the NVIDIA side.
For pure office applications and quite as games requirements, the GTX 275 would have sufficed. The next was the 2560x1600 still a second monitor drive 1920x1200 monitor But, I have a better feeling. The GTX 970 could operate even more Monitorre ... For resolutions higher than 1920x1200, you need a DVI Dual Link Cable, evident from the fact that all connections are occupied. In the single DVI in the middle are missing a number Contacts. About HDMI it should go, but I do not like HDMI. Also, the 970 still higher resolutions.
Regarding noise, I could find nothing negative to date. I think the open design better than the canned. Most PC components die of heat strokes, caused by dusty fan and heatsink. The open construction makes cleaning easier. Depending on the degree of utilization should dust off its PC and especially processor heatsink, power supply and graphics card every 6-12 months tidy. I have done with the old graphics card so and is like new. While there really was only blowing out with compressed air, it should be quite possible with the new now with suction.