Inno3D GeForce RTX 3080 Ti is one option for you if you're upgrading your computer. This graphics card is fitted with a 12 GB memory of the GDDR6X type.
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Inno 3D GeForce RTX 3080 Ti iChill X4 LHR, 12288 MB GDDR6X C308T4-126XX-1810VA36
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INNO3D Nvidia GeForce RTX 3080 TI ICHILL X4 12GB RGB Quad Fan Graphics Card