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AMD Ryzen Threadripper 3960X, 3970X, and 3990X expected to be announced on November 5, require new TRX40 chipsets and new sockets - NotebookCheck.net News
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AMD Ryzen Threadripper 3990X - Ryzen Threadripper 3rd Gen Castle Peak (Zen 2) 64-Core 2.9 GHz Socket sTRX4 280W Desktop Processor - 100-100000163WOF - Newegg.com
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AMD Ryzen Threadripper 3990X - Ryzen Threadripper 3rd Gen Castle Peak (Zen 2) 64-Core 2.9 GHz Socket sTRX4 280W Desktop Processor - 100-100000163WOF - Newegg.com
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Amazon.com: AMD Ryzen Threadripper 3990X 64-Core, 128-Thread Unlocked Desktop Processor : Electronics
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