There's also the ex-Azure catapult cards someone RE'd: https://j-marjanovic.io/stratix-v-accelerator-card-from-ebay-part-7.html https://j-marjanovic.io/stratix-

There's also the ex-Azure catapult cards someone RE'd: https://j-marjanovic.io/stratix-v-accelerator-card-from-ebay-part-7.html https://j-marjanovic.io/stratix-v-accelerator-card-from-ebay... The nite/litefury boards are 100% the best starting place though.