| Motherboard Basic Info | |
| Supported CPU | Socket AM4 support AMD 3rd Gen Ryzen (Matisse/ Renoir) processors and Ryzen 4th Gen (Vermeer) processors Support for future AMD Ryzen processors with BIOS update |
| Chipset | AMD B550 |
| Form Factor | Micro ATX Form Factor Dimension: 24.4cm x 20.8cm ( W x L ) |
| Expansion Slots | |
| PCI | 1 x PCIe 4.0/ 3.0 x 16 Slot: Supports PCIe 4.0 x 16 mode with AMD Ryzen processors. (Matisse only) Supports PCIe 3.0 x 16 mode AMD Ryzen with Radeon Vega Graphics processors. (Renoir only) 2 x PCIe 3.0 x 1 Slot |
| Motherboard Memory Info | |
| Slots | 2 x DIMM |
| Supported Memory | 4th Gen AMD Ryzen Processors (Vermeer CPUs/ Future APUs): Supports Dual Channel DDR4 4400+(OC)/ 4000(OC)/ 3800(OC)/ 3600(OC)/ 3200/ 2933/ 2667/ 2400/ 2133 3rd Gen AMD Ryzen Processors (Matisse CPUs): Supports Dual Channel DDR4 4400+(OC)/ 4000(OC)/ 3800(OC)/ 3600(OC)/ 3200/ 2933/ 2667/ 2400/ 2133 3rd Gen AMD Ryzen with Radeon Graphics Processors (Renoir APUs): Supports Dual Channel DDR4 4933+(OC)/ 4800(OC)/ 4600(OC)/ 4400(OC)/ 4000(OC)/ 3800(OC)/ 3600(OC)/ 3200/ 2933/ 2667/ 2400/ 2133 Each DIMM supports non-ECC and ECC Un-buffered 8/ 16/ 32 GB DDR4 module |
| Maximum Memory | Up to 64 GB |
| Motherboard Memory Info | |
| Type | DDR4 |
| Connectivity | |
| HDMI | 1 x HDMI Port |
| VGA | 1 x VGA Port |
| Motherboard Graphics Info | |
| Graphics | By CPU model Supports DX12 Supports HDCP |
| Connector & Ports (MB) | |
| USB (s) | 8 x USB 3.2 (Gen1) ports (4 on rear I/Os and 4 via internal headers) 6 x USB 2.0 ports (2 on rear I/Os and 4 via internal headers) |
| LAN Port (s) | Realtek RTL8111H 10/ 100/ 1000 Mb/s auto negotiation, Half / Full duplex capability Supports Super LAN Surge Protection |
| Audio | 3 x Audio Jack |
| Internal I/O Ports | 4 x SATA III (6.0Gb/s) Connectors 2 x USB 2.0 Header (each header supports 2 USB 2.0 ports) 2 x USB 3.2 (Gen1) Header (each header supports 2 USB 3.2 (Gen1) ports) 1 x 8-Pin Power Connector 1 x 24-Pin Power Connector 1 x CPU Fan Connector 1 x System Fan Connector 1 x Front Panel Header 1 x Front Audio Header 1 x Clear CMOS Header 1 x Internal Stereo Speaker Header 1 x COM Port Header |
| Supported Storage | 4 x SATA III Connector (6Gb/s) : Supports AHCI & RAID 0, 1, 10 1 x M.2 (M Key) Socket: Supports M.2 Type 2242/ 2260/ 2280 SSD module Supports PCIe 4.0 x 4 (64Gb/s)/ 3.0 x 4 (32Gb/s) Supports SATA III (6.0Gb/s) SSD * M.2 (M Key) Socket (M2_PCIe-SATA1): The bandwidth is depended on CPU. Supports PCIe 4.0 x 4 (64Gb/s) speed, which depends only on Ryzen 3rd Gen Matisse. |
| Audio | |
| Audio Output | ALC887 7.1 Channels, High Definition Audio, Hi-Fi (Front) |
| Others | |
| Bundled Software | BullGuard |
| Warranty Information | |
| Manufacturing Warranty | 3 Years |
The BIOSTAR B550MH DDR4 AMD AM4 Micro-ATX Motherboard is a high-performance and versatile solution designed for gaming, productivity, and everyday desktop computing. Built on the AMD B550 chipset, it fully supports AMD Ryzen 3000, 4000, 5000, and 5000G series processors with the AM4 socket, delivering reliable performance and stable operation for modern PC builds.
Equipped with DDR4 memory support, the B550MH ensures smooth multitasking, fast data access, and responsive gaming experiences. Its micro-ATX form factor allows installation in compact and mid-tower cases, making it ideal for space-conscious builds without compromising on features or expandability.
The motherboard provides a range of essential connectivity options, including PCIe 4.0 and PCIe 3.0 slots for graphics cards, multiple SATA ports for storage devices, USB ports, and high-definition audio for immersive sound. The integrated network interface delivers stable wired internet connectivity for gaming, streaming, and professional work.
BIOSTAR’s robust power delivery system and premium components ensure system stability and durability, even under heavy workloads. The intuitive UEFI BIOS interface allows easy hardware configuration, system monitoring, and performance tuning, catering to both beginners and advanced users.
Whether you’re building a budget-friendly gaming rig, a home office PC, or a high-performance workstation, the BIOSTAR B550MH DDR4 AMD AM4 Micro-ATX Motherboard offers reliable performance, broad compatibility, and excellent value for modern PC systems.
The BIOSTAR B550MH DDR4 AMD AM4 Micro ATX Motherboard is now. You can buy the BIOSTAR B550MH DDR4 AMD AM4 Micro ATX Motherboard at the best price from our website or visit any of our showrooms When the product is available.
