From RS to AE2

I want to change my storage system from Refined Storage to Applied Energistics 2 But i have 7m items in my Refined storage setup And i noticed that the one disk drive in Applied Energistics 2 hold 63 item types But Refined Storage holds what ever type you want And i want to change my storage system cuz some times my RS system shows me nothing in it So i have to close the game and reboot it and they come back Please help, im Playing ATM 9 to the sky