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Socket TR4

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TR4 is AMD's second LGA socket for a consumer product after the short lived Socket 1207 FX. It is physically identical to, but electrically incompatible with both AMD's server Socket SP3, and TR4's successor, Socket sTRX4.

While the SP3 server socket does not require a chipset, instead utilizing a system-on-a-chip design, TR4 and its successor HEDT sockets require a chipset to unlock the features of the CPU. For TR4, the AMD X399 chipset was released, which allows a total of 64 PCIe 3.0 lanes for quad SLI/CrossFire configurations.

The socket is made by both Foxconn and Lotes.

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