Sapphire Radeon R9 Fury X 4GB HBM HDMI/Triple DP PCI-Express Graphics Card 21246-00-40G GPU: 4096 Stream Processors, 28 nm, Graphics Core Next (GCN), 1050 MHz Engine Clock Water Cooling, Displays: Maximum 4 Outputs Interface: PCI-Express 3.0 The AMD Radeon R9 Fury X graphics card is the worlds first total solution GPU with AMD-pioneered High-Bandwidth Memory (HBM) on-chip delivering extreme performance for unbelievably real 4K and VR experiences. This card requires 2x8Pin PCIE power connectors, please make sure user should have both PCIE connectors connected with the correct configuration in order for the card to function properly