16Gb of RAM but only 8 available??

rcolbath25

Commendable
Sep 2, 2016
3
0
1,510
MOBO: MSI 990 AM3+
CPU: AMD Black Edition 8350 8 core 4ghz
GPU: GTX 970 SSC ACX 2.0
RAM: Corsair Vengence Pro 2x8gb DDR3 1600

I don't know why only 8gbs of RAM is available when I have 16. any ideas?