ASRock Radeon RX 6950 XT OC Formula Review 26

ASRock Radeon RX 6950 XT OC Formula 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 powered by the expensive Infineon XDPE132G5D running 18 power phases.


International Rectifier TDA21490 DrMOS chips are used for GPU voltage; they are rated for 90 A of current each.

Memory Voltage, VRM Configuration
Memory Chip Voltage Controller

Memory voltage uses a three-phase design and is generated by an IRF35217 controller.


For memory, TDA21472 DrMOS chips with a 72 A rating are used.

Graphics Card Memory Chips

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).

Graphics Chip GPU

AMD's Navi 21 graphics processor is the company's most powerful RDNA 2 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.
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