Sapphire rX Vega 56 Nitro - back-sided heatsink with RGB LED + Vapor Chamber-based Cooling + Turbine-X cooling control for extra 2 PWM fans in PC + gear card weight support bracket ( to prevent PCI-Express slot damage or PCB bending ) + FRTC (Frame Rate Target Control ) - 2 slots required , Pci-E 16x - 56x compute Units , 64 RoPs , 10544 GigaFLoPs,  329.5GT/s texture fill rate , 3584 stream processors , 224x texture unit , core/memory : 1305/1600mhz , 2048bit 8Gb HBM2 ( transfer rate : 410gb/sec ) , 3x DisplayPort + 1x HDMi , 210w TDP - require 2 x 8pin power connector - 3 years warranty