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Where the 282 W comes from
Gaming profile for this pair
Line
Watts
Why this figure
Ryzen 5 9600X
65 W
Default TDP 65 W, PPT 88 W
Radeon RX 9060 XT
160 W
Typical Board Power 160 W
Motherboard allowance
35 W
Chipset, VRM overhead, and onboard devices.
Memory, 2× DDR5
10 W
Planning allowance per module.
NVMe, 1
6 W
Active-drive allowance.
Fans, 3
6 W
Case or radiator fans.
The vendor number, kept separate
Ryzen 5 9600X base power is 65 W and the package limit is 88 W (derived).Radeon RX 9060 XT board power is 160 W.AMD publishes a system minimum of 450 W. AMD's product page lists 16 GB, 160W typical board power, a 450W minimum PSU, and 1× 8-pin. An 8 GB retail board, where sold, is a different configuration and is not given a separate wattage on this page.
WattWise's minimum for the gaming estimate is 400 W. The vendor figure is 50 W higher.Their number is a floor for the reference PC they named. It is not added on top of ours.
Radeon RX 9060 XT is rated 160 W. 1× 8-pin. The connector budget covers the rated board power.
This reference design uses 6-pin and 8-pin plugs, not 12V-2x6. Shop the continuous wattage. A PSU without a 12V-2x6 connector follows the lower ATX excursion column (150% for 100 µs on units at or under 450 W, and on larger units that omit the connector). That is still not a reason to double the label.
Power-limit ceiling for this exact pair: 305 W, minimum 400 W, efficiency size 650 W. That row is a combined render, not a typical game.