MSI GeForce RTX 4090 Gaming X Trio Review 45

MSI GeForce RTX 4090 Gaming X Trio Review

Test Setup »

High-resolution PCB Pictures

These pictures are for the convenience of volt modders and people who would like to see all the finer details on the PCB. Feel free to link back to us and use these in your articles, videos or forum posts.

Graphics Card Teardown PCB Front
Graphics Card Teardown PCB Back

High-resolution versions are also available (front, back).

Circuit Board (PCB) Analysis

GPU Voltage, VRM Configuration

GPU voltage is a massive 18-phase design managed by a Monolithic Power Systems MP2891 controller, which also handles memory voltage.


OnSemi NCP303151A DrMOS components are used for GPU voltage; they are rated for 50 A of current each.

Memory Voltage, VRM Configuration

Memory voltage is a four-phase design, managed by the same MP2891 that's uses for GPU voltage.


For memory, OnSemi NCP303151A DrMOS with a 50 A rating are used too.

Graphics Card Memory Chips

The GDDR6X 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 effective).

Graphics Chip GPU

NVIDIA's AD102 graphics processor is the company's flagship Ada Lovelace GPU. It's the world's first 5 nanometer GPU, built at TSMC Taiwan with a transistor count of 76.3 billion and a die size of 608 mm².
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