The GIGABYTE B550M DS3H is an AMD B550 (AM4) micro-ATX motherboard designed for 3rd Gen AMD Ryzen processors and future AMD Ryzen CPUs with BIOS updates. It features a 5+3 phase hybrid digital VRM design for stable power delivery, supporting Dual Channel DDR4 memory with XMP profiles up to 4400MHz(OC) across 4 DIMM slots with a maximum capacity of 128GB. The board provides 1x PCIe 4.0 x16 slot (steel armor reinforced) and 1x PCIe 3.0 x16 slot (x4 mode) for graphics expansion, plus 1x PCIe 3.0 x1 slot. Storage options include 1x M.2 PCIe 4.0 x4 slot (2280/22110) and 4x SATA 6Gbps ports supporting RAID 0/1/10. Networking features Realtek GbE LAN with bandwidth management, while audio is handled by Realtek ALC887 codec with high-quality audio capacitors. Graphics outputs include HDMI 1.4 and DVI-D supporting 4K resolution, with rear I/O featuring 4x USB 3.2 Gen1 ports (2x Type-A, 2x Type-C), 2x USB 2.0 ports, and PS/2 keyboard/mouse port. The motherboard also includes Smart Fan 5 technology with multiple temperature sensors and hybrid fan headers for optimized cooling.