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Circuit Board (PCB) Analysis
The GPU VRM is a massive 24-phase design.
For the GPU voltage, Monolithic Power Systems MP86957 DrMOS chips are used; they are rated for up to 70 A output current each.
The memory VRM is 4-phase.
For memory, Monolithic Power Systems MP86957 DrMOS chips are used too, again rated at 70 A.
Both GPU and memory voltage are managed by a single Monolithic Power Systems MP2891—a brand-new, ultra-high-end design.
The GDDR6 memory chips are made by Micron and carry the model number D8BZC, which decodes to MT61K512M32KPA-21:U. They are specified to run at 1313 MHz (21 Gbps GDDR6 effective).
NVIDIA's GA102 graphics processor was the company's second Ampere architecture chip; the first one targeted at GeForce gamers. It is produced on a 8 nanometer process at Samsung and has a transistor count of 28 billion with a die size of 628 mm².