I've got a Sapphire RX 470 Nitro OC 4GB - https://bit-tech.net/reviews/tech/graphics/sapphire-radeon-rx-470-nitro-oc-4gb-review/2/
According to specs it's 41mm deep, however the fan blades are hitting the side of the case. The tips of the fan blades do appear to extend a little from outside the...