Richard Halle wrote:I have 4 slots
Your 4 slots are not all x16 Pci-e 3.0! Which motherboard do you use?
Which graphics card is your computer monitor connected to?
Intel Core i7-3770K CPU
Support up to 1x16, 2x8, 1x8 & 2x4
NVIDIA GeForce GTX 1070 8Gb
Needs Pci-e 3.0 x16
NVIDIA GeForce GTX 560 1Gb
Needs Pci-e 2.0/3.0 x16
Blackmagic Decklink Mini Monitor 4K
Needs Pci-e 2.0 x4