Sorry to revival this old thread but i jus bought a Sapphire R9 270X 2GB DualX for my Mac Pro 5,1 (E271 CURACAO XT GDDR5 64Mx32 2GB 150e/150m, DevID 0x6810) and i need to flash it for mac EFI boot By using the default bundle from netkas and following his guide, i partially succeedSapphire Radeon TOXIC R9 270X Video Card Live your gaming world with the Sapphire Radeon TOXIC R9 270X Video Card This graphic card has 2GB GDDR5 memory to give you a brilliant gaming experience It has a 3 fan cooling system that keeps the card cool giving you the best performance quietly even under high pressure gamesSAPPHIRE VaporX Radeon R9 270X 2GB GDDR5 Graphics Video Card (Tested) PreOwned C $73 Time left 2d 22h left 0 bids From Belgium C $4381 shipping AMD Radeon Sapphire R9 270X DualX OC With Boost 4 GB PreOwned C $ Top Rated Seller Top Rated Seller Buy It Now From United States
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