The AMD Athlon 64 FX-51 was a desktop processor with 1 core, launched in September 2003. It is part of the Athlon 64 lineup, using the SledgeHammer architecture with Socket 940. Athlon 64 FX-51 has 1 MB of L2 cache and operates at 2.2 GHz. AMD is building the Athlon 64 FX-51 on a 130 nm production process using 105 million transistors. The multiplier is locked on Athlon 64 FX-51, which limits its overclocking capabilities.
With a TDP of 89 W, the Athlon 64 FX-51 consumes a good deal of power, so decent cooling is needed. AMD's processor supports DDR1 memory with a dual-channel interface. For communication with other components in the machine, Athlon 64 FX-51 uses a PCI-Express Gen 2 connection. This processor does not have integrated graphics, you will need a separate graphics card.
Neither SSE3 nor SSE4 instruction sets are supported, which will lead to problems with games not starting.