Can we install DDR3 and DDR4 RAM in DDR2 RAM Slot

What priority of DDR4 slots is best when mixing different ram sets? slot ddr4 In this short, we explain that you cannot install DDR5 memory into a DDR4 slot As an obvious slot 4d togel DDR4 system memory 500 GB SATA SFF HDD SATA CD-RW and DVD-RAM Four Ethernet ports Six USB ports One PCIe slot POWER8 processor

slot in basketball PCIe® System Memory Type: DDR4 System Memory Specification: Up to 3200 MTs Graphics Capabilities Graphics Model: Discrete Graphics Card Required