[SOLVED] Improving my build

Do you already own this hardware, or is this all new hardware you are planning on buying for a new build? If this is a system you already have, then there is plenty of room for upgrades. If it's a new system, then there are some newer, better components that could make more sense.

If you are primarily looking for more performance in graphically-demanding games, a graphics card upgrade would undoubtedly make the most difference. A GTX 1660 would be around twice as powerful as a 1050 Ti, and a 1660 SUPER a little faster still. An RTX 2060 or Radeon RX 5600 XT would be nearly three times as fast as a 1050 Ti. Even at the same price point as that 1050 Ti, a 1650 SUPER would be substantially faster.

And if this is an all-new build you are putting together, a Ryzen 3600 can be around 15% faster than a 2600X while costing less than the processor listed here, though if you don't already have a Ryzen processor to update the motherboard with, you would want a board that comes with a Ryzen-3000 capable bios out-of-the-box, like one of the MSI MAX B450 boards, or a B550 board, but those are in rather short supply at the moment, and not priced as attractively.
 
You dont need CPU cooler, the CPU already bundles a pretty decent one.

PCPartPicker Part List

CPU: AMD Ryzen 5 3600 3.6 GHz 6-Core Processor ($174.89 @ Walmart)
Motherboard: ASRock B450M-HDV Micro ATX AM4 Motherboard ($90.17 @ Amazon)
Memory: Team T-FORCE VULCAN Z 16 GB (2 x 8 GB) DDR4-3200 CL16 Memory ($57.99 @ Newegg)
Storage: Crucial BX500 240 GB 2.5" Solid State Drive ($39.95 @ Newegg)
Storage: Seagate Barracuda Compute 2 TB 3.5" 7200RPM Internal Hard Drive ($54.99 @ Newegg)
Video Card: Gigabyte Radeon RX 580 8 GB GAMING 8G Video Card ($164.99 @ Newegg)
Case: Deepcool MATREXX 30 MicroATX Mini Tower Case ($34.99 @ Amazon)
Power Supply: Corsair CV 550 W 80+ Bronze Certified ATX Power Supply ($65.00 @ Amazon)
Monitor: Acer UM.WV6AA.B01 21.5" 1920x1080 60 Hz Monitor ($87.99 @ Amazon)
Total: $770.96
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2020-06-25 16:43 EDT-0400
 
This would be my preference:
PCPartPicker Part List

CPU: AMD Ryzen 5 3600 3.6 GHz 6-Core Processor ($174.89 @ Walmart)
Motherboard: Gigabyte B550M AORUS ELITE Micro ATX AM4 Motherboard ($109.99 @ B&H)
Memory: Team T-FORCE VULCAN Z 16 GB (2 x 8 GB) DDR4-3200 CL16 Memory ($57.99 @ Newegg)
Storage: Kingston A400 240 GB M.2-2280 Solid State Drive ($38.50 @ Amazon)
Storage: Seagate Barracuda Compute 2 TB 3.5" 7200RPM Internal Hard Drive ($54.99 @ Newegg)
Video Card: MSI GeForce GTX 1660 SUPER 6 GB VENTUS XS OC Video Card ($239.99 @ Newegg)
Case: Deepcool MATREXX 30 MicroATX Mini Tower Case ($34.99 @ Amazon)
Power Supply: Corsair CX (2017) 550 W 80+ Bronze Certified ATX Power Supply ($79.97 @ Newegg)
Total: $791.31
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2020-06-25 17:29 EDT-0400
 
Solution