How many watts would a PSU need to be for these specs?

Solution
PCPartPicker part list / Price breakdown by merchant

Power Supply: Corsair - CXM 450W 80+ Bronze Certified Semi-Modular ATX Power Supply ($85.00 @ Shopping Express)
Total: $85.00
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2017-07-09 11:01 AEST+1000

Or a little extra power , but not really needed:

PCPartPicker part list / Price breakdown by merchant

Power Supply: Corsair - CXM 550W 80+ Bronze Certified Semi-Modular ATX Power Supply ($95.00 @ Shopping Express)
Total: $95.00
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2017-07-09 11:10...

Dark Lord of Tech

Retired Moderator
PCPartPicker part list / Price breakdown by merchant

Power Supply: Corsair - CXM 450W 80+ Bronze Certified Semi-Modular ATX Power Supply ($85.00 @ Shopping Express)
Total: $85.00
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2017-07-09 11:01 AEST+1000

Or a little extra power , but not really needed:

PCPartPicker part list / Price breakdown by merchant

Power Supply: Corsair - CXM 550W 80+ Bronze Certified Semi-Modular ATX Power Supply ($95.00 @ Shopping Express)
Total: $95.00
Prices include shipping, taxes, and discounts when available
Generated by PCPartPicker 2017-07-09 11:10 AEST+1000
 
Solution