Cheap And Discounts UPSIREN GPU RAM Copper Heat Sink For Radiator Memory Miner RTX 3060 3070 3080 3090 / 5600 5700 GPU 15-40 Degree Thermal Pad Wholesale. Buy Directly From Merchant UPSIREN Official Store. Enjoy ✓Free Shipping Worldwide! ✓90 Days Buyer Protection. ✓Easy Return. ✓Money Back Guarantee.