What was the 64-bit Front Side Bus replaced with in the X58 (Nehalem) chipset?

Name: What was the 64-bit Front Side Bus replaced with in the X58 (Nehalem) chipset?
Brand: Quizplus
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Quizplus · Accepted Answer

The 64-bit Front Side Bus was replaced with the QuickPath Interconnect (QPI) in the X58 (Nehalem) chipset. QPI is a high-speed, point-to-point interconnect that provides faster data transfer between the CPU and other components on the motherboard.

What Was the 64-Bit Front Side Bus Replaced with in the X58