AMD released the long-awaited Radeon HD 7990 Wednesday, finally providing an official dual-GPU product in this generation. While ASUS and PowerColor have had their own unofficial 7990 variants on sale for months, today’s release from AMD is the first in-house look at two Tahiti HD 7970-class GPUs on a single PCB. The card features 8.6 billion transistors (4.3 billion per GPU), over 8 teraflops of raw computing power, 6GB of GDDR5 memory, two 8-pin power connectors, and a custom three-fan