OK I am running 2 R9 280x in crossfire and im thinking of stepping up to R9 290 or better. Is SLI better or crossfire should i replace the monitors or the cards and if so what cards or monitors are best im Running 3 Acer 24 inch at 5760x1080 refresh 60 hertz do i need faster refresh also thinking of going 4 k i get 70 to 80 fraps in BF4 on ultra my system is Intel Core i7-5930K CPU @ 3.50GHz
Frequency 3699.14 MHz (37 * 99.98 MHz)
MotherboardModel Asus X99-PRO
32GB crosair dominator platnum DDR4 3200 Size32768 MB
Frequency 1599.7 MHz (1:24)
Timings 16-18-18-36GPU TypeAMD Radeon HD 7970 (1100 MHz)
VRAM Size 3072 MB (1500 MHz) GPU #2 Type AMD Radeon HD 7970
Windows Version Windows 8.1 (6.3) 64-bit
Frequency 3699.14 MHz (37 * 99.98 MHz)
MotherboardModel Asus X99-PRO
32GB crosair dominator platnum DDR4 3200 Size32768 MB
Frequency 1599.7 MHz (1:24)
Timings 16-18-18-36GPU TypeAMD Radeon HD 7970 (1100 MHz)
VRAM Size 3072 MB (1500 MHz) GPU #2 Type AMD Radeon HD 7970
Windows Version Windows 8.1 (6.3) 64-bit