My Dream Build

Solution
Here is the build which will work best for rendering and gaming:

PCPartPicker part list / Price breakdown by merchant

CPU: Intel Core i7-6950X 3.0GHz 10-Core Processor ($2873.85 @ PB Technologies)
CPU Cooler: Thermaltake Water 3.0 Ultimate 99.0 CFM Liquid CPU Cooler ($281.00 @ Paradigm PCs)
Thermal Compound: Noctua NT-H1 3.5g Thermal Paste ($10.55 @ Ascent Technology)
Motherboard: Asus RAMPAGE V EXTREME/U3 EATX LGA2011-3 Motherboard ($949.95 @ Computer Lounge)
Memory: Corsair Dominator Platinum 32GB (2 x 16GB) DDR4-3200 Memory ($459.00 @ 1stWave Technologies)
Memory: Corsair Dominator Platinum 32GB (2 x 16GB) DDR4-3200...
Here is the build which will work best for rendering and gaming:

PCPartPicker part list / Price breakdown by merchant

CPU: Intel Core i7-6950X 3.0GHz 10-Core Processor ($2873.85 @ PB Technologies)
CPU Cooler: Thermaltake Water 3.0 Ultimate 99.0 CFM Liquid CPU Cooler ($281.00 @ Paradigm PCs)
Thermal Compound: Noctua NT-H1 3.5g Thermal Paste ($10.55 @ Ascent Technology)
Motherboard: Asus RAMPAGE V EXTREME/U3 EATX LGA2011-3 Motherboard ($949.95 @ Computer Lounge)
Memory: Corsair Dominator Platinum 32GB (2 x 16GB) DDR4-3200 Memory ($459.00 @ 1stWave Technologies)
Memory: Corsair Dominator Platinum 32GB (2 x 16GB) DDR4-3200 Memory ($459.00 @ 1stWave Technologies)
Video Card: Gigabyte GeForce GTX 1080 8GB Founders Edition Video Card (2-Way SLI) ($1266.00 @ Paradigm PCs)
Video Card: Gigabyte GeForce GTX 1080 8GB Founders Edition Video Card (2-Way SLI) ($1266.00 @ Paradigm PCs)
Case: Corsair 900D ATX Full Tower Case ($604.00 @ Paradigm PCs)
Power Supply: Corsair AX1500i 1500W 80+ Titanium Certified Fully-Modular ATX Power Supply ($738.99 @ PB Technologies)
Optical Drive: LG WH16NS40 Blu-Ray/DVD/CD Writer ($144.24 @ Ascent Technology)
Operating System: Microsoft Windows 10 Pro OEM 64-bit ($242.00 @ 1stWave Technologies)
Case Fan: Corsair Air Series AF140 Red 66.4 CFM 140mm Fan ($24.95 @ Computer Lounge)
Case Fan: Corsair Air Series AF140 Red 66.4 CFM 140mm Fan ($24.95 @ Computer Lounge)
Case Fan: Corsair Air Series AF140 Red 66.4 CFM 140mm Fan ($24.95 @ Computer Lounge)
Case Fan: Corsair Air Series AF140 Red 66.4 CFM 140mm Fan ($24.95 @ Computer Lounge)
Case Fan: Corsair Air Series AF140 Red 66.4 CFM 140mm Fan ($24.95 @ Computer Lounge)
Case Fan: Corsair Air Series AF140 Red 66.4 CFM 140mm Fan ($24.95 @ Computer Lounge)
Case Fan: Corsair Air Series AF140 Red 66.4 CFM 140mm Fan ($24.95 @ Computer Lounge)
Case Fan: Corsair Air Series AF140 Red 66.4 CFM 140mm Fan ($24.95 @ Computer Lounge)
Case Fan: Corsair SP120 57.2 CFM 120mm Fan ($21.51 @ Aquila Technology)
Case Fan: Corsair SP120 57.2 CFM 120mm Fan ($21.51 @ Aquila Technology)
Case Fan: Corsair SP120 57.2 CFM 120mm Fan ($21.51 @ Aquila Technology)
Case Fan: Corsair SP120 57.2 CFM 120mm Fan ($21.51 @ Aquila Technology)
Case Fan: Corsair SP120 57.2 CFM 120mm Fan ($21.51 @ Aquila Technology)
Case Fan: Corsair SP120 57.2 CFM 120mm Fan ($21.51 @ Aquila Technology)
Case Fan: Corsair SP120 57.2 CFM 120mm Fan ($21.51 @ Aquila Technology)
Fan Controller: Lamptron FC-FC5V3-BK Fan Controller
Monitor: LG 22MP55HQ-P 22.0" 60Hz Monitor
Monitor: Asus ROG SWIFT PG278Q 27.0" 144Hz Monitor ($1248.00 @ Paradigm PCs)
Monitor: Asus ROG SWIFT PG278Q 27.0" 144Hz Monitor ($1248.00 @ Paradigm PCs)
Monitor: Asus ROG SWIFT PG278Q 27.0" 144Hz Monitor ($1248.00 @ Paradigm PCs)
Monitor: Asus ROG SWIFT PG278Q 27.0" 144Hz Monitor ($1248.00 @ Paradigm PCs)
Monitor: Asus ROG SWIFT PG278Q 27.0" 144Hz Monitor ($1248.00 @ Paradigm PCs)
Keyboard: Corsair K95 RGB Wired Gaming Keyboard ($348.45 @ PB Technologies)
Mouse: Corsair Sabre Wired Laser Mouse ($150.47 @ Ascent Technology)
Speakers: Corsair Gaming Audio Series SP2500 232W 2.1ch Speakers ($433.00 @ Paradigm PCs)
Other: Samsung PM863 3.8TB 2.5" Solid State Drive ($3919.00)
Other: CORSAIR GAMING SERIES VOID RGB WIRELESS DOLBY 7.1 GAMING HEADSET ($188.30)
Other: Corsair Dominator Airflow Platinum LED Fan ($79.95)
Total: $21003.92
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2016-06-05 22:39 NZST+1200
 
Solution
The only limitation this motherboard has is that the RAM is limited at 64GB if it had 128GB we would have done 8x16GB.
But I wouldn't change the motherboard only based on RAM as it has extreme features. But if you wanna go 128GB checkout the ASUS X99 ROG STRIX GAMING