AMD X570 Detailed Block Diagram (PCIe Lanes and I/O options from chipset) : r/Amd
The Intel Haswell-E X99 Motherboard Roundup with ASUS, GIGABYTE, ASRock and MSI
What is the difference between the PCIe lanes from the CPU and the ones from the motherboard? Is there a performance difference? - Quora
GIGABYTE -
Guide] - How to Bifurcate a PCI-E slot - BIOS Modding Guides and Problems - Win-Raid Forum
Common PCI-Express Myths for GPU Computing Users - Microway
TENK-OEM New X99 Pro Socket 2011-v3 40-Lane CPU 8 x DIMM DDR4 SDRAM Bluetooth V4.0 28-Lane CPU ATX Motherboard For Desktop - AliExpress
GIGABYTE -
Intel 20 Core Xeon Gold 5218R 2nd Gen Scalable Server CPU/Processor LN107431 - BX806955218R | SCAN UK
Guide to PCIe Lanes: How many do you need for your workload?
PCIe Lanes on Motherboard Stock Photo - Alamy
Suppurted motherboards
GIGABYTE X99 Series Motherboards
The Intel Haswell-E CPU Review: Core i7-5960X, i7-5930K and i7-5820K Tested
FINALLY modern CPUs have almost unlimited PCIe lanes. But suddently all the mainboards have fewer and fewer PCIe Slots. Some even only 3. Why on earth is it so? - Quora
RAMPAGE V EXTREME/U3.1|Motherboards|ASUS Saudi Arabia
Guide to PCIe Lanes: How many do you need for your workload?