Rekordbox DDJ-RZX Computer Build

Hello everyone. 

Looking for recommendations on what I should focus on while custom building a computer to run rekordbox video (music and video) from a DDJ-RZX. 

This is what I'm thinking so far. 

CPU: Intel - Core i7-7700K 4.2GHz Quad-Core Processor
CPU Cooler: Corsair - H60 54.0 CFM Liquid CPU Cooler
Motherboard: Gigabyte - GA-Z270N-WIFI Mini ITX LGA1151 Motherboard
Memory: Crucial - Ballistix Sport LT 32GB (2 x 16GB) DDR4-2400 Memory
Storage: Samsung - 850 EVO-Series 500GB 2.5" Solid State Drive
Video Card: Gigabyte - GeForce GTX 1070 8GB Windforce OC Video Card