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Is Radeon RX 7800 XT Compatible with Corsair CX550M?
Verified for 2026
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55% Engineering Score
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2 Views
The Quick Verdict
No, the Radeon RX 7800 XT recommends at least 700W, while the Corsair CX550M only supplies 550W. Heavy GPU boost transients will likely trigger safety OCP shutdown.
Primary Device
GPU
Radeon RX 7800 XT
Brand: AMD
Technical Properties:
{"TDP":"263W","Connector":"2x 8-pin PCIe"}
Paired Hardware
PSU
Corsair CX550M
Brand: Corsair
Technical Properties:
{"Wattage":"550W","Efficiency":"80 Plus Bronze"}
Technical Analysis & Architecture
The Radeon RX 7800 XT draws approximately 263W under maximum gaming loads. Pairing it with Corsair CX550M leaves 287W for CPU and system memory.
Power, Wattage & Thermal Requirements
GPU TDP: 263W | Recommended PSU: 700W | Available PSU Output: 550W.
Connectors, Pinouts & Ports
2x 8-pin PCIe (Requires 8-pin adapter splitter)
Frequently Asked Questions
Will Corsair CX550M cause bottleneck or shut down with Radeon RX 7800 XT?
Yes, peak transients exceed maximum rail capacity.
Do I need an adapter cable?
Yes, use the 8-pin adapter included with GPU.
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