The new Devil 13 R9 390 requires an insane 4 x 8-pin PCIe power connectors so that it can draw between 1000W and 1275W of power. But all of that power won't be wasted, as it packs dual Grenada PRO GPUs, each with 2560 stream processors, 160 TMUs, 64 ROPs and 8GB of GDDR5. Each GPU has 345GB/sec available memory bandwidth, so the card has 691GB/sec memory bandwidth in total.
PowerColor adds that the Devil 13 R9 390 has been "built with carefully-designed Platinum Power Kit and ultra-efficient thermal design. It consists of massive 15-phase power delivery, PowerIRstage, Super Cap and Ferrite Core Choke that provides the stability and reliability for such high-end graphics solution. To support maximum performance and to qualify for the Devil 13 cooling system, 3 Double Blades Fans are attached on top of the enormous surface of aluminum fins heat sink connected with total of 10 pieces of heat pipes and 2 pieces of large die-cast panels. This superb cooling solution achieves a perfect balance between thermal solution and noise reduction. The PowerColor Devil 13 Dual Core R9 390 has the LED backlighting that glows a bright red color, pulsating slowly on the Devil 13 logo".