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EK-Quantum Magnitude sTRX4 - Copper + Acetal water block for AMD Threadripper CPUs – EK Webshop
For MSI ATX Desktop Board TRX40 Socket sTRX4 DDR4 SATA3 Supports 3rd Gen AMD Ryzen Threadripper Processors TRX40 PRO 10G - AliExpress
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Socket sTRX4 - Wikipedia
AMD Ryzen Threadripper 3990X CPU 64 Cores Prozessor Up to 4.3GHz sTRX4 PCIe 4.0 | eBay