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Gigabyte X99 Motherboard Manuals

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2 x PCI Express x16 slots, running at x16 (PCIE_1, PCIE_2)
* For optimum performance, if only one PCI Express graphics card is to be installed,
be sure to install it in the PCIE_1 slot; if you are installing two PCI Express graphics
cards, it is recommended that you install them in the PCIE_1 and PCIE_2 slots.​
Š 2 x PCI Express x16 slots, running at x8 (PCIE_3, PCIE_4)
* The PCIE_4 slot shares bandwidth with the PCIE_1 slot. When the PCIE_4 slot is
populated, the PCIE_1 slot will operate at up to x8 mode.
* When an i7-5820K CPU is installed, the PCIE_2 slot operates at up to x8 mode and
the PCIE_3 operates at up to x4 mode.
Looks like the speculation on the 5820K having less PCIe lanes was correct. 40 for the 5960X and 5930K. 28 for the 5820K.
 
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MxPhenom 216

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Looks like the speculation on the 5820K having less PCIe lanes was correct. 40 for the 5960X and 5930K. 28 for the 5820K.

Fixed, I guess that is how they get you to get the higher models if you want to run multiple GPUs.
 
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Fixed, I guess that is how they get you to get the higher models if you want to run multiple GPUs.
You can still run 3-way SLI with the 5820K. This really isn't a big deal. It's just going to be 8/8/8 for 3-way SLI or 8/8/8/4 for 4-way Crossfire. That's enough bandwidth considering it's PCIe 3.0. The only real negative here is that forums are going to be flooded by morons who don't understand why their cards aren't running at x16/x16.
 
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MxPhenom 216

ASIC Engineer
Joined
Aug 31, 2010
Messages
12,983 (2.56/day)
Location
Loveland, CO
System Name Ryzen Reflection
Processor AMD Ryzen 9 5900x
Motherboard Gigabyte X570S Aorus Master
Cooling 2x EK PE360 | TechN AM4 AMD Block Black | EK Quantum Vector Trinity GPU Nickel + Plexi
Memory Teamgroup T-Force Xtreem 2x16GB B-Die 3600 @ 14-14-14-28-42-288-2T 1.45v
Video Card(s) Zotac AMP HoloBlack RTX 3080Ti 12G | 950mV 1950Mhz
Storage WD SN850 500GB (OS) | Samsung 980 Pro 1TB (Games_1) | Samsung 970 Evo 1TB (Games_2)
Display(s) Asus XG27AQM 240Hz G-Sync Fast-IPS | Gigabyte M27Q-P 165Hz 1440P IPS | Asus 24" IPS (portrait mode)
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Software Windows 11 Pro 64-Bit
You can still run 3-way SLI with the 5820K. This really isn't a big deal. It's just going to be 8/8/8 or 8/8/8/4 for 4-way Crossfire. That's enough bandwidth considering it's PCIe 3.0. The only real negative here is that forums are going to be flooded by morons who don't understand why they're cards aren't running at x16/x16.

Welcome to the world of computer enthusiast forums! :p
 
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