Lian Li SX Platinum 1200W ATX 3.1 Modular Power Supply - White - G9P.SX1200P.W000.UK

Yes, it includes native high-current 12V-2x6 copper alloy terminals to support modern graphics cards.

Yes, the PSU features a fanless mode that keeps the fan off until the load exceeds 40%.

Lian Li typically provides an extensive warranty for this line; please refer to your regional documentation or the official Lian Li website for your specific territory's term.

We recommend only using the cables provided with the unit or official Lian Li replacements to ensure correct pinout compatibility and safety.

Its compact 140mm length makes it highly compatible with many smaller cases that support ATX power supplies, though always verify your case's specific clearance requirements.

Check all modular cable connections to ensure they are seated firmly in both the PSU and the components. Verify the power cable is pushed fully into the wall outlet and the PSU switch is set to the 'I' position.

This is likely normal operation. The unit operates in fanless mode until reaching a 40% load. Test under a high-intensity workload to verify the fan engages as expected.

Ensure the 12V-2x6 cable is fully inserted into the graphics card without any sharp bends near the connector. Check for loose connections on the 24-pin motherboard cable.