"OC king" from China, Coolaler broke a new record with Core i7 975 and MSI's Eclipse SLI. The Core i7 was overclocked to 5709.73MHz which is a 71.29 percent overclock.
The system includes Core i7 Extreme 975 CPU, MSI's Eclipse SLI X58 motherboard, 6GB of G.Skill memory working at 845.9 MHz (2:8) at 6-7-6-18 latencies. The CPU multiplier was set at 27 while the bus speed was at 211.47MHz.
Coolaler holds quite a few world records including the one with AMD's Phenom II 940 clocked at 6517.52MHz, and Intel Core i7 940 clocked at 5640.8MHz.
You can check out the CPU-Z validation here