AMD has revealed the official specs for its upcoming graphics cards. The red team has detailed the Radeon R9 Fury X, as well as all the Radeon R9 3XX graphics cards (R9 390X, R9 390 and R9 380). Radeon R9 Fury X will come with 4GB of HBM VRAM, and a 4096-bit HBM memory controller. Its memory bandwidth can reach 512 GB/s and it will require 2x 8-pin connectors. You can view the full specs below.