This ASUS graphics card might be a good choice if you're building a gaming PC. It has an 8 GB GDDR6 memory.
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ASUS Dual NVIDIA GeForce RTX 3070 V2 OC Edition Gaming Graphics Card, PCIe 4.0, 8GB GDDR6 memory, LHR, HDMI 2.1, DisplayPort 1.4a, Axial-tech Fan Design, Dual BIOS, Protective Backplate, GPU Tweak II
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Asus DUAL RTX3070 V2 OC, PCIe4, 8GB DDR6X, 2 HDMI, 3 DP, 1800MHz Clock, RGB Lighting, Overclocked, LHR