It will have 1 stick of 204-Pin DDR3 SO-DIMM DDR3 1600 (PC3 12800) 1.35V LOW VOLTAGE so you will have one open.
Asus ROG PG348Q Black 34" 3440 x 1440, 100Hz Curved IPS G-Sync 21:9 WQHD Gaming Monitor
2x ASUS GeForce GTX 1080 8GB ROG STRIX OC Edition in SLI