Quick Answer

Yes — a 550W PSU runs an RX 9060 XT build with healthy margin. Expect about 325W of sustained draw (160W GPU + ~105W CPU + ~60W for fans, drives and board), so you keep roughly 41% headroom plus room for the 240W transient spikes the GPU produces.

The actual wattage math for an RX 9060 XT build

The RX 9060 XT has a board power (TGP) of 160W. Add a mid-range CPU at roughly 105W under load, then about 60W for the motherboard, RAM, two SSDs and case fans, and your typical gaming draw lands near 325W. GPUs also produce brief transient spikes — for the RX 9060 XT those reach about 240W for a few milliseconds — so a 550W unit needs to absorb a real-world peak closer to 405W. On a 550W supply that leaves a healthy cushion of around 225W.

Overclocking headroom on the RX 9060 XT

A RX 9060 XT typically has plenty of power headroom for a light overclock on a 550W PSU. Realistic gains are a +100 to +180 MHz core offset (taking boost from ~3,130 MHz toward the high-2,000s) and a +500 to +1,000 MHz memory offset, which usually adds 3-7% in frame rate — not the 20% some buyers expect. Raise the power limit to its maximum slider first, test stability, then add core clock in 15 MHz steps. The 550W headroom easily covers the extra ~30-50W an aggressive overclock draws.

Cabling, connectors and SA picks

The RX 9060 XT needs a single 8-pin PCIe feed, so confirm your 550W unit ships the right native cables rather than relying on daisy-chained adapters. For this build, an 80+ Gold 550W unit such as the Corsair CX550F, MSI MAG A550BN is a sensible match and is currently stocked at Evetech in the R1,200-R2,000 band. A modular cable layout keeps a smaller case tidy and improves the front-to-back airflow that a 160W card relies on.

FAQ

Is 550W overkill for an RX 9060 XT?

No — 550W gives sensible margin over the ~325W this build pulls, with room for transient spikes.

How much extra power does overclocking the RX 9060 XT add?

A typical overclock adds roughly 30-50W of draw for a 3-7% frame-rate gain. A 550W PSU absorbs that easily without stressing the rails.

What efficiency rating should I get for this build?

An 80+ Gold 550W unit is the value sweet spot — units like the Corsair CX550F run cool and quiet at the ~325W load this system sees. Platinum costs more for a marginal efficiency gain at SA prices.

TIP

Build Tip

Use the native PCIe cables that ship with the 550W unit for the RX 9060 XT and avoid adapter chains. Set the GPU power limit slider to maximum before adding any core clock, then stress-test for 30 minutes to confirm the 550W supply holds voltage under spikes.