[PSU thermaltake 1475w gold +80]

My PC gamer:

                                              THERMALTAKE CORE X9 WINDOW SNOW WHITE

 

.Processor : CPU INTEL CORE I7 6700K (SKYLAKE) QUAD CORE 4.0 GHZ 8MB LGA1151 + WATERCOOLING THERMALTAKE AIO PERFORMER WATER 3.0 C 

 

.Motherboard Asus Maximus Extreme VIII Z170 LGA1151

 

.4 x Graphics Card Asus AMD R9 390 Strix 8GB GDDR5 DC2OC

 

.DISK SSD AVEXIR 240GB SATA3 E100

 

.2 x Memory Desktop AVEXIR Core Black RED LED 8GB DDR4 PC2400CL15

 

.................Thermaltake Toughpower XT POWER SUPPLY 1475 WATT MODULAR GOLD

...ACCESSORIES

 

-Accessories THERMALTAKE Commander F6 LCD RGB FAN Controller

-2 x FAN BOX Thermaltake RIING 3X140MM 256 RGB LED COLORS

 

 

with 1475w PSU I can use 4 x R9 390 graphics card ? if possible how I should do because I tried 4xR9 390 but there is no display, only with 2xR9 390 is fonction !  thks thermaltake