INTEL SKYLAKE CORE I5-6500 PROCESSOR
ASROCK B150M PRO4 SOCKET 1151 MAINBOARD
MSI R9 390 GAMING 8GB GDDR5 512BIT
KINGSTON HYPER-X FURY 8GB DDR4 2400MHZ RAM HX424C15FB/8
LITEON 900S 256GB SSD SATA3 (PX^^SCS-256L9S)
FRACTAL DESIGN ARC MIDI R2 M-ATX CHASSIS
Seasonic S12II-620 620W 80PLUS BRONZE Power Supply
BenQ 24” LED Monitor GL2460HM 1920x1080 /12M:1 /2ms /DVI/HDMI

will the psu be sufficient? thx!