Replacing Failed AIO, Air Cooler Help for i9-10900K Build

You may have seen the thread I opened about this, I've been troubleshooting across several forums for a while now, and I want to thank everyone who helped along the way. Your input was invaluable in diagnosing the root cause. My Corsair H150 RGB 360mm AIO has failed after 3 years, exhaust air stays at ambient during load, pump reads 3000+ RPM but heat never reaches the radiator. Done with liquid cooling. Looking for an air cooler replacement. System: ​

• CPU: i9-10900K (LGA1200), power limits set to PL1 200W / PL2 250W​

• Motherboard: MSI MPG Z490 Carbon EK X (large VRM heatsinks)​

• Case: MSI MPG Sekira 500G, 170mm CPU cooler height limit ​

• RAM: HyperX Fury RGB DDR4, 2×16GB, ~41mm tall ​

Measured clearances: ​

• VRM heatsink to leftmost RAM slot: 120mm ​

• VRM heatsink + RAM combined footprint: ~40mm ​

• Max cooler height: 170mm firm limit​

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