Can I substitute ddrs-1333 instead of ddr3-128 for i7-4770 HP ElitelDesk 800 G1 MT. I not concerned about speed and my current pc uses ddr3-1333 and I am thinking about buying a used HP ElitelDesk 800 G1 MT with i7-4770 that list ddr3-12800 (1600) as ram spec. I would prefer to use the ddr3-1333 (1333) from my current PC to save money.