Amazon.com: Luqeeg GPU Backplate Radiator, Graphics Card Backplane Heatsink, Adjustable Speed Dual PWM Fan VRAM Heatsink Backplane Memory Cooler with 0.5/1mm Pad 500 for RTX 3090 3080 3070, Black(0.5mm Pad 700) : Electronics
3090 VRAM cooling project for Alienware R11/R12 (will probably work with any card if you have space) - Custom Loop and Exotic Cooling - Linus Tech Tips
I added some VRAM cooling on my 3090 to fix issues I was experiencing during ML. : r/nvidia
Pure Copper GPU Backplane Radiator For RTX 3090 3080 3070 Graphics Card Backplate Memory VRAM Heatsink Auxiliary Cooling Fan - AliExpress
GPU Back VRAM Radiator For RTX 3090 3080 Aluminum Backplate Memory Heatsink + Top Laird 700 Pad + PWM Fans - AliExpress
GPU Back VRAM Radiator For RTX 3090 3080 Aluminum Backplate Memory Heatsink + Top Laird 700 Pad + PWM Fans - AliExpress
3090 Back memory cooling solution : r/overclocking
3090 VRAM cooling project for Alienware R11/R12 (will probably work with any card if you have space) - Custom Loop and Exotic Cooling - Linus Tech Tips