The GA-X99-UD4 is based on the Intel X99 Express chipset and is designed for socket LGA2011-v3 processors which currently includes Core i7 5xxx series CPUs and Xeon E5 1xxx-v3 and E5 2xxx-v3 CPUs. The X99-UD4 utilizes an 8-phase digital PowerIRstage ICs and digital PWM controllers from International Rectifier with chokes from Cooper Bussmann. The capacitors on board the X99-UD4 are all black metallic solid electrolytic capacitors rated for 10,000 hours.