The power supply units that utilize Japanese Capacitors are XPG FUSION, XPG CYBERCORE Series, XPG CORE REACTOR Series, and XPG PYLON.
The power supply units that have DC-DC circuit design are XPG FUSION, XPG CYBERCORE Series, XPG CORE REACTOR Series, and XPG PYLON.
The 12V-2x6 cable is an updated version of the 12VHPWR cable, but both share the same design and power delivery, supporting up to 600W. They are fully compatible with each other, meaning that no matter which cable comes with your PSU, it will still support the latest high-power GPUs.