This Powercolor graphics card is one option for you if you're upgrading your computer. The GDDR6 memory clocks in at 12 GB.
From Currys
POWERCOLOUR Radeon RX 7700 XT 12 GB Fighter OC Graphics Card
Quzo
PowerColor Hellhound RX7700XT 12G-L/OC graphics card AMD Radeon RX 7800 XT 12 GB GDDR6
This product is also available at 1 unverified store.