Is there a model of the mother board, I had one similar and had two 2 gigabyte sticks of ram in it with no issues and I betting yours should be able to do the same.
NZXT Tempest 410 - I5-4670K - Asus Z87-Plus - SeaSonic SS-750KM3 80 PLUS GOLD Certified Full Modular PS
GPU MSI GTX 970 Gaming 4G - CORSAIR Vengeance Pro 16GB 1600 (2x8gig) - SAMSUNG 840 EVO 250 -Seagate Barracuda 3-TB
Antec 200 - I7-920 - ASUS P6T - Corsair TX650 it's old but still kicking like a mule
2-EVGA GTX 470 in SLI- ocz vertex 3 SSD 128 gig
Seagate Barracuda 1-TB - OCZ DDR3-1600 12 gigs 3x2
Keeps Me Happy :lol:
If I've been helpful, Please rep me