Looking for a new cheap PSU

Solution
The CX450 (2017) Grey label is a good budget unit, should be better than the Thermaltake you listed.

Reference list https://linustechtips.com/main/topic/631048-psu-tier-list-updated/
If you can get this you are good:
PCPartPicker part list: https://pcpartpicker.com/list/hVLPqk
Price breakdown by merchant: https://pcpartpicker.com/list/hVLPqk/by_merchant/

Power Supply: SeaSonic - FOCUS Plus Gold 550W 80+ Gold Certified Fully-Modular ATX Power Supply ($59.99 @ Newegg)
Total: $59.99
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2018-05-27 00:26 EDT-0400
 


Ah, OK, the new ones have a IGPU.

The cheapest one I can actually recommend is.

PCPartPicker part list / Price breakdown by merchant

Power Supply: SeaSonic - FOCUS Gold 450W 80+ Gold Certified Semi-Modular ATX Power Supply ($53.99 @ SuperBiiz)
Total: $53.99
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2018-05-27 00:55 EDT-0400