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#1 Posted : Wednesday, July 10, 2019 9:07:33 PM(UTC)

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Our system is pretty much the recommended system for a 2 x quad system, but if we have more than 6 inputs, the inputs start blinking.
Here is our spec:

Motherboard: Asus Tek Z170-AR LGA1151
Graphics Card: Geforce GTX 1060 6Gb
Capture Card: Blackmagic quads x 2
Processor 17 7700 3.6 GHz, Kaby Lake 14nn tech
Ram: 16GB Dual Channel @ 1070 Mhz
windows 10

Here is the recommendation: https://www.vmix.com/pro...erence-systems.aspx#ruby
Motherboard: Gigabyte Z370 AORUS Gaming 5 or Gigabyte Z370 AORUS Gaming 7 (Intel Z370)
Graphics Card: NVIDIA GeForce GTX 1060
Capture Card: AJA Corvid 88 or Blackmagic Decklink Quad 2 - we use 2 x quads
CPU: Intel Core i7 9700K 3.6GHz+
RAM: 16GB (2x8GB) DDR4
Operating System: Windows 10

Any help/suggestions much appreciated,
Alan Costello
#2 Posted: : Wednesday, July 10, 2019 11:22:52 PM(UTC)

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@ antardwip

Methinks you have run out of lanes!
The Blackmagic Decklink Quad 2 is a x8 PCIe card
So the Z370 has 24 lanes but the i7 7700 CPU only allows for 16 and so can handle a GPU and one Quad (x8/x8) but not a second Quad as the slot would render the slots as x8/x4+x4.
If wanting to use more than one multichannel capture card, it is recommended to use an X299 MB with an appropriate CPU (Obsidian build).

#3 Posted : Wednesday, July 17, 2019 9:46:51 AM(UTC)

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Thank you for that Ice, very good of you to help - we have 2 x 4 input quads, not the 2 x8 input quads.
That is a total of 8 inputs.
The Motherboard I am using has dual x8 mode; single card: x16 mode, x4 mode (Type CPU, DIMM 288-pin, PCI, PCIe 3.0 x1, PCIe 3.0 x16)
But I don't know how many lanes that is.
You say more than 1 mulitchannel card needs x299 with obsidian CPU - is that the same whether they are 4 input quads or 8 input quads?
Thanks again,
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