







- Model: B550MH
- Supported CPU: Ryzen 3rd Gen and 4th Gen processors
- Supported RAM: 2x DIMM, DDR4 4933+(OC)
- Graphics Output: 1 x HDMI, 1 x VGA Port
- Features: 1 x M.2 Slot, Realtek RTL8111H
- Stock: In Stock
- Brand: BIOSTAR
- Model: B550MH
| Basic Information | |
| Audio | ALC887 7.1 Channels, High Definition Audio, Hi-Fi (Front) |
| Chipset | AMD B550 |
| Form Factor | Micro ATX Form Factor Dimension: 24.4cm x 20.8cm ( W x L ) |
| 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 |
| Connector & Ports | |
| Audio | 3 x Audio Jack |
| HDMI | 1 x HDMI Port |
| 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 |
| LAN Port (s) | Realtek RTL8111H 10/ 100/ 1000 Mb/s auto negotiation, Half / Full duplex capability Supports Super LAN Surge Protection |
| 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. |
| 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) |
| VGA | 1 x VGA Port |
| 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 |
| Graphics | |
| Graphics | By CPU model Supports DX12 Supports HDCP |
| Memory | |
| Maximum Memory | Up to 64 GB |
| 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 |
| Type | DDR4 |
| Others | |
| Bundled Software | BullGuard |
| Warranty Information | |
| Manufacturing Warranty | 3 Years |
BIOSTAR B550MH DDR4 AMD AM4 Micro ATX Motherboard
The Biostar B550MH is a micro ATX motherboard designed for use with the latest AMD Ryzen 3rd Gen and 4th Gen processors. It features the AM4 socket and supports DDR4 memory, providing users with high-speed performance and support for the latest hardware. The B550MH motherboard has a variety of features that make it perfect for both gaming and workstation builds. It has a robust power delivery system that provides stable and efficient power to the CPU, and it also features a high-quality audio subsystem that provides clear and immersive sound. The BIOSTAR B550MH also has a wide range of connectivity options, including support for PCIe 4.0, USB 3.2, and SATA III. Additionally, it has a high-speed Ethernet port and support for wireless connectivity, which makes it easy to connect to the internet and other devices. The BIOSTAR B550MH motherboard also has a range of advanced features that make it a great choice for overclockers and enthusiasts, such as the ability to adjust the CPU voltage and monitor the temperature of the system.




