Gigabyte has officially unveiled EP45-Extreme motherboard series targeted to overclocking enthusiasts. Two boards were launched within this new series: GA-EP45T-EXTREME e GA-EP45-EXTREME. The only difference between them is that the GA-EP45T supports only DDR3 up to 1,900 MHz, while the GA-EP45 supports only DDR2 up to 1,600 MHz.

Both boards are based on Intel P45 chipset (with Intel ICH10R south bridge), support FSB up to 1,600 MHz, 2 PCI Express x16 slots (one of them running a x8), 1 PCI Express x4 slot, 1 PCI Express x1 slot, 3 PCI slots, 6 SATA-300 ports, 1 IDE port, 1 floppy disk port, 2 Gigabit Ethernet ports and they support up to 12 USB 2.0 and 3 Firewire (IEEE1394a) ports.

On the audio section a Realtek ALC889A codec is used. It features a 106 dB signal-to-noise ratio, 7.1+2 channels and DTS Connect compatibility (i.e. Blu-Ray and HD-DVD audio compatibility).

The EP45-Extreme series also have a lot of overclocking options and a copper heat-pipe used for liquid and traditional cooling.