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Sapphire's RX570 "ITX" PCB is actually bigger than a RX Vega 56 PCB : r/sffpc
Amazon.com: CCBBAA T129215SU RX 570 470D GPU Cooler Video Card Fan for Radeon Sapphire RX470D RX570 ITX Graphics Card Cooling System As Replacement : Electronics
Sapphire Rx 570 Cooler Fan 85mm T129125su Video Card Cooling Fan For Sapphire Radeon Rx 570 Pulse Itx Graphics Card Cooler - Fans & Cooling - AliExpress
Sapphire RX 570 GPU Cooler Video Card fan for Radeon sapphire RX570 ITX graphics | eBay