corsair h115i rgb platinum

Hey Guys, I'm currently running a i7 9700k (stock speeds) with an MSI RTX 2080 Gaming X Trio in a Coolermaster Q300L case using a Coolermaster ML120R AIO (Rear mount-due to space) and get temps of between 70°-80° on average when playing Warzone. I'm migrating to a Fractal Design Meshify S2...

I am building a PC and using Corsair H115i platinum AIO and have come up with the below wire (in the pic)...Please could you tell me where does this connect to ? System Specs: AMD Ryzen 7 3800X Corsair H115i platinum AIO Gigabyte X570 AORUS PRO WIFi NZT H519 elite Gigabyte GeForce RTX 2070 SUPER