IBM Quad-Core 543B 3.72GHz With 4 cores and a clock speed of 3.7 GHz, this IBM 543B CPU is based on IBMs Power architecture which was developed by IBM and has some use in server markets. These CPUs are used in IBM Power 720 and 740 servers. Techbuyer Quality Refurbished CPUs If you need help finding the right server processor, or you need help identifying exactly which one you need, please contact our friendly team.
