Question Is my Power supply big enough for 6 fans and do i need a fan controller for anything more than 3 fans including the ones on my cpu cooler?

Sep 14, 2019
do i need a fan controller and a bigger psu? maybe like 750watts or 1000 to be safe when i decide to sli with another gpu?
The PSU is a EVGA 550 N1, 550W, 2 Year Warranty, Power Supply 100-N1-0550-L1 the Motherboard is a
ASRock Z270 Killer SLI LGA 1151 Intel Z270 HDMI SATA 6Gb/s USB 3.0 ATX Motherboards - Intel @ ( z270 intel atx&cm_re=motherboard_z270_intel_atx--13-157-773--Product ), the case is a
DIYPC Vanguard-V6-RGB Black @( ) which it comes with three fans pre-installed 2 120mm front and 1x 120mm rea, which i will be adding another three on top for greater exhaust flow. being these
Corsair HD Series, HD120 RGB LED, 120mm High Performance Individually Addressable RGB LED PWM Case Fan (CO-9050067-WW) 3-pack @( )

Specs of everything I am swapping over:

*i7-7700 3.6Ghz (with Turbo boost up to 4.2ghz)
*DDR4 SDRAM 2133mhz 2x8gb (will upgrade to DDR4 SDRAM 2400mhz 4x16GB
*Gigabyte GeForce gtx G1 1070 8Gb
*The PSU (See above for Model #)
*Some Stock Hard Drive that the Acer PC came with 2TB (I know it is vague the system Properties says It is a TOSHIBA DT01ACA200)
* Noctua CPU Cooler - Noctua NH-D15 SSO2 D-Type Premium CPU Cooler, NF-A15 x 2 PWM Fans @( )
*Windows 10 Home Edition 64bit