Is DDR4 RAM compatible in a DDR3 RAM slot?

RAM Generations: DDR2 vs DDR3 vs DDR4 vs DDR5 slot ddr4 EZ-Latch：PCIe Slot with Quick Release Design; Fast Networks： LAN; Extended Connectivity：Front USB-C® 10Gbs, DP, HDMI; Smart Fan 6：Features slot game rules Memory Specifications · Max Memory Size 192 GB · Memory Types Up to DDR5 4800 MTs Up to DDR4 3200 MTs · Max # of Memory Channels 2

slot dengan rtp tertinggi slot *Wi-Fi *Please refer to CPU support list for details Chipset - AMD B550 Memory - Dual Channel DDR4 Memory Technology - 4 x DDR4 DIMM Slots -