Our X58 system with 48GB of DDR3 installed ran and passed our Prime95 torture test over the weekend! System specs were... Intel Core i7-965 Gigabyte X58A-OC Motherboard 48GB of Patriot G2 Series ...

The most mainstream and common motherboard form factor ... designed to accommodate dual QPI LGA 1366 socket CPUs and 12 DDR3 RAM slots.