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Circuit Board (PCB) Analysis
The GPU VRM is powered by the incredibly high-end Infineon XDPE132G5D running 14 power phases.
International Rectifier TDA21490 DrMOS chips are used for GPU voltage; they are rated for 90 A of current each.
Memory voltage uses a three-phase design and is generated by an IRF35217 controller.
For memory, TDA21490 DrMOS chips are used, too, with a 90 A rating.
The GDDR6 memory chips are made by Samsung and carry the model number K4ZAF325BM-HC18. They are specified to run at 2250 MHz (18 Gbps GDDR6 effective).
AMD's Navi 21 graphics processor is the company's most powerful RDNA2 chip. It is fabricated using a 7 nanometer production process at TSMC Taiwan; its transistor count is 26.8 billion, and the die size is 520 mm².