Those RX 470 cards just won't die. Finally able to tune for power efficiency and decent hash rate. Running eight of these bad boys in an eBay enclosure. Mining ETC of course. :
Sapphire NITRO+ AMD Radeon RX 470 8GB Review: Hashrate, Power Consumption and More | Graphic card, Video card, Nitro
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Low hashrate for RX 470 | TechPowerUp Forums
Low hashrate for RX 470 | TechPowerUp Forums
1 RX 470 Mining ETH at 57 Mh/s?? - YouTube
AMD Radeon RX 470 Ethereum hashrate - Crypto Mining Blog
RX 470 8GB Suddenly not working - AMD Cards - Forum and Knowledge Base A place where you can find answers to your questions | Hive OS
Best BIOS ROM for Sapphire RX 470 8GB Mining Edition with Hynix Memory 30+ MH/s | Bitcoin Insider