Will i be able to run it at full capacity

Hello,
i got for mother board
S775 ASUS P5N64 WS PRO NF790I PCIE SLI
for cpu
INTEL CORE 2 EXTRM QX9770 3.20G/1600/12M/S775
ram
KINGSTON HYPERX 1375MHZ DDR3 NO-ECC 2048MB UL 2time
3d card
ASUS PCIE RAD EAH4870 X2 2048M BOX

do think ill run it a full capacity thank you in advance