Palit GeForce RTX 4090 GameRock OC Review 8

Palit GeForce RTX 4090 GameRock OC 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 Chip Voltage Controller

GPU voltage is a 16-phase design managed by a uPI uP9512U controller.


OnSemi NCP302150 DrMOS components are used for GPU voltage; they are rated for 50 A of current each.

Memory Voltage, VRM Configuration
Memory Chip Voltage Controller

Memory voltage is a three-phase design, managed by a UPI uP9512R controller.


For memory, OnSemi NCP302150 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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