z77 slotThe ram slots are 1 & 3 or 2 & 4 on dual channel boards. You can also watch the boot up from the power on, {turning off boot logo in the bios}. Or usingMotherboard Gaming MSI Z77A-G43 LGA 1155 B75 H61 H77 Z68 Z77 4slot RAM di ∙ Promo Pengguna Baru ∙ Bebas Ongkir ∙ Cicilan 0% ∙ Kurir Instan.