Manual
Page 10
...; Dual channel memory architecture Support for DDR3 1333/1066/800 MHz memory modules Support for non-ECC memory modules (Go to GIGABYTE's website for the latest supported memory speeds and memory modules.) Realtek ALC889 codec High Definition Audio 2/4/5.1/7.1-channel * To enable... (6 ports on the back panel, 4 ports available through the internal USB headers) k Etron EJ168 chip: j - Up to 2 USB 3.0/2.0 ports on the back panel j Only for GA-P61-DS3-B3.
...; Dual channel memory architecture Support for DDR3 1333/1066/800 MHz memory modules Support for non-ECC memory modules (Go to GIGABYTE's website for the latest supported memory speeds and memory modules.) Realtek ALC889 codec High Definition Audio 2/4/5.1/7.1-channel * To enable... (6 ports on the back panel, 4 ports available through the internal USB headers) k Etron EJ168 chip: j - Up to 2 USB 3.0/2.0 ports on the back panel j Only for GA-P61-DS3-B3.