GALAX brand is now offering overclocking DDR4 memory "HOF OC Lab Tempest D4-5000 8G x 2," which is limited to an entire sum of 100 sets worldwide and is available now. It will be available... GALAX HOF OC Lab Tempest D4-5000 DDR4-5000 memory is restricted to 100 sets worldwide.
"...and the capacity is 8GBx2. The memory chip has a capacity of 8GBx2, and the board has a capacity of 8GBx2" Something lost in translation?
DDR4-5000 CL19 @ 1.6 Volts... not bad... I am sure some DDR4-4800 can be OC'ed to the same performance but these are binned..