Carte mère Biostar B550MHP AMD B550 socket AM4 micro ATX

The Biostar B550MHP is a Micro ATX motherboard with an AMD B550 chipset and Socket AM4, compatible with AMD Ryzen 3000, 4000 and 5000 series processors. It supports Dual DDR4 memory up to 64 GB, offers PCIe 4.0 and PCIe 3.0 connectivity including M.2 slots, SATAIII 6 Gbps storage interfaces, integrated HDMI with HDCP output and onboard Realtek networking for reliable LAN performance. The board includes UEFI BIOS with BIO-Flasher, Smart Update utilities and several hardware protections and durability features aimed at stable system operation.

Advantages

The B550 chipset provides PCIe Gen4 support and advanced platform control for tweakers and overclockers, while PCIe 4.0 M.2 and PCIe M.2 deliver high bandwidth and low latency for NVMe drives. Dual DDR4 support and SATAIII 6Gbps ensure broad memory and storage compatibility. Additional features include HD audio, integrated HDMI 4K output, USB 3.2 Gen1 Type-A ports, Super Durable solid capacitors, moistureproof PCB, and OC/OV/OH protection to improve reliability and component lifespan.

Suitable for

• Compact gaming and productivity PC builds using AM4 Ryzen CPUs
• Systems requiring fast NVMe storage via PCIe 4.0/3.0 M.2
• Home or office PCs needing reliable Gigabit LAN and HDMI display output
• Enthusiast users who want BIOS-level control for tuning and updates

Key specifications

• Form factor: Micro ATX
• Chipset: AMD B550
• Socket: AM4 (supports Ryzen 3000/4000/5000 series)
• Memory: Dual DDR4, up to 64 GB
• Storage: PCIe M.2 (PCIe 4.0/3.0 support), SATAIII 6 Gbps
• Expansion: PCIe 3.0 slots; PCIe 4.0 support via chipset/CPU
• USB: USB 3.2 Gen1 Type-A (up to 5 Gbps)
• Audio: HD Audio
• Video output: HDMI with HDCP, supports 4K2K
• LAN: Realtek RTL8111H Gigabit Ethernet
• BIOS/Tools: UEFI BIOS, BIO-Flasher, Smart Update
• Protection & durability: Super Durable solid caps, moistureproof PCB, OC/OV/OH protection

How to use

Install the motherboard into a compatible Micro ATX chassis and fit an AM4 processor, CPU cooler, and DDR4 memory modules according to the manual. Connect storage devices to the M.2 slot(s) or SATAIII ports and attach graphics and expansion cards to the PCIe slots as required. Hook up power connectors from the PSU, connect front-panel headers, USB and audio cables, and attach an HDMI cable to the onboard HDMI port for video output. Enter the UEFI BIOS on first boot to configure boot order, memory settings and enable or adjust A.I TP and A.I FAN controls if needed. Use BIO-Flasher or Smart Update to apply BIOS and driver updates.

Recommendations

For optimal performance, use a PCIe 4.0-capable Ryzen processor and PCIe 4.0 NVMe SSD to take full advantage of M.2 bandwidth, populate memory channels in pairs for best DDR4 performance, keep BIOS and drivers up to date using BIO-Flasher or Smart Update, and ensure adequate case airflow when overclocking or running high-load tasks.