High-resolution PCB Pictures
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Circuit Board (PCB) Analysis
The GPU VRM is a 9-phase design powered by the International Rectifier IR35217 controller.
Vishay SiC643 DrMOS chips are used for GPU voltage; they are rated for 60 A of current each.
The memory VRM is three-phase and powered by a second International Rectifier IR35217 controller.
For memory, Vishay SiC654 DrMOS chips are used, rated for 50 A.
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 22 graphics processor is fabricated using a 7 nanometer production process at TSMC Taiwan; its transistor count is 17.2 billion and the die size is 336 mm².