Gigabyte Z77-HD4 Motherboard

Overclocking Options

The Gigabyte Z77-HD4 has a few overclocking options. Below, we list the most important ones:

• Base clock: From 80.00 MHz to 133.33 MHz in 0.01 MHz increments
• CPU graphics clock: From 400 MHz to 1,600 MHz in 50 MHz increments
• CPU core voltage: From 0.800 V to 1.900 V in 0.005 V increments
• CPU graphics voltage: From +0.000 V to +0.200 V in 0.005 V increments
• CPU VTT (“I/O”) voltage: From 0.770 V to 1.440 V in 0.010 V increments
• CPU PLL voltage: From 1.545 V to 2.205 V in 0.020 V increments
• Memory controller (“IMC,” “System Agent,” VCCSA) voltage: From 0.690 V to 1.250 V in 0.010 V increments
• Memory voltage: From 1.140 V to 2.100 V in 0.010 V increments

Figure 9: Overclocking options

Figure 10: Overclocking options

Figure 11: Voltage options

Figure 12: Memory voltage options