Power supply configurator hiccup

Oussebon

Multiverse Poster
With this spec:


Case
FRACTAL FOCUS G BLACK GAMING CASE (Window)
Processor (CPU)
AMD Ryzen 7 2700X Eight Core CPU (3.7GHz-4.35GHz/20MB CACHE/AM4)
Motherboard
Gigabyte X470 AORUS Ultra Gaming: ATX, USB 3.1, SATA 6GBs - RGB Ready
Memory (RAM)
16GB Corsair VENGEANCE DDR4 2933MHz ~ (2 x 8GB)
Graphics Card
8GB NVIDIA GEFORCE RTX 2080 - HDMI, 3x DP GeForce - RTX VR Ready!
Power Supply
CORSAIR 650W TXm SERIES™ SEMI-MODULAR 80 PLUS® GOLD, ULTRA QUIET


Unique URL to re-configure : https://www.pcspecialist.co.uk/saved-configurations/amd-am4-pc/br!J6bAEh3/

Trying to add a 550W PSU (VS or TXm) gives the notification:

We've checked your specification for compatibility. Please see our suggestions below:

The power supply you have selected is unable to supply adequate power to higher end graphics cards. Please amend your power supply to a higher wattage unit or select a lower specification graphics card.
(550W TXm really not enough for RTX 2080?)

Changing to 650W gives:

You have selected a 650W power supply, but based on our calculations you actually only need a 550W power supply. We have calculated your specification to require around 496W of power including a 20% allowance. Although it is not a mandatory requirement to select a lower wattage power supply, doing so will save you money and the last thing we'd like to do is over charge you!


PSUception? :)
 
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