$ 0 0 Hi Matteo, There is no reason why the DDR3 should not run at 400MHz on the SK. You may need to retune the settings though. The procedure is described here:http://processors.wiki.ti.com/index.php/AM335x_EMIF_Configuration_tipshttp://processors.wiki.ti.com/index.php/AM335x_DDR_PHY_register_configuration_for_DDR3_using_Software_Leveling There is also a step-by-step DDR3 tuning tutorial here:http://processors.wiki.ti.com/index.php/Sitara_Linux_Training:_Tuning_the_DDR3_Timings_on_BeagleBoneBlack