Bykski Full Coverage GPU Water Block and Backplate for XFX RX 6800/690 – BYKSKI.US
Bykski GPU Block for MSI Radeon RX 6900 XT Gaming X Trio A RGB Video Cards Water Block Liquid Cooling Heatsink A MS6900TRIO X|Fans & Cooling| - AliExpress
Bykski Full Coverage GPU Water Block and Backplate for Sapphire RX 690 – BYKSKI.US
Finally , 6900xt + bykski block : r/watercooling
Bykski GPU Block For Sapphire Radeon RX 6900XT 16GB NITRO+ Special Edition Full Cover GPU Water Cooling Cooler A-SP6900XTSE-X - Newegg.com
Bykski GPU Water Block for ASROCK Radeon 6900XT OC Formula 16G A-AR6900XTOCF-X | eBay