Consider this maybe?
Buy AMD 100-100000022BOX Ryzen 5 3600X Hexa Core 3.8GHz (4.4GHz Boost) Socket AM4 Desktop CPU at Wootware with fast shipping & superb service.
www.wootware.co.za
Buy MSI B450 TOMAHAWK AMD B450 Ryzen Socket AM4 ATX Desktop Motherboard at Wootware with fast shipping & superb service.
www.wootware.co.za
Buy G.Skill F4-3200C16D-16GVKB Ripjaws V Series 16GB (2x8GB) DDR4-3200MHz CL16 1.35V Black Desktop Memory at Wootware with fast shipping & superb service.
www.wootware.co.za
Total R7944
Add a decent cooler, this one is a decent 120mm air cooler, if you dont mind air coolers
Buy Phanteks PH-TC12DX_BK 120mm Black PWM Aluminium & Copper Dual-Fan Premium High-End CPU Cooler at Wootware with fast shipping & superb service.
www.wootware.co.za
or this if you want a beefy 140mm cooler
Buy Phanteks PH-TC14PE_BK 140mm Black PWM Aluminium & Copper Dual-Fan Premium High-End CPU Cooler at Wootware with fast shipping & superb service.
www.wootware.co.za
I dont know too much about AIO liquid coolers to recommend one.