with mb is not the chipset but the price point at what your buying that the vendor will be tossing in perks or having more features then another model. mb vendors on low end mb you wont have as big of heat sink or power reg as the more exp mb or you have less ports on the back of the mb or less sata ports. some low end mb wont do sli or crossfire. also with low end mb are thiner then then more costly mb. also with low end mb there mostly no name brands or brands that may have a higher then normal return rate. when picking out a mb look at tested review and product reviews to see if the mb had a high doa rate.