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General| Processor socket | Socket AM4 |
|---|---|
| Processor manufacturer | AMD |
| Compatible processor series | AMD Ryzen 3, AMD Ryzen 5, AMD Ryzen 7, AMD Ryzen 9 3rd Gen, AMD Ryzen 9 5th Gen |
| Audio chip | Realtek ALC1220P |
| Component for | - |
| Motherboard chipset | AMD B550 |
| Audio output channels | 7.1 channels |
| Motherboard form factor | micro ATX |
| Windows operating systems supported | Windows 10 x64, Windows 11 x64 |
| Non-ECC | Yes |
| Memory channels | Dual-channel |
| Memory slots type | DIMM |
| Number of memory slots | 4 |
| Supported memory types | DDR4-SDRAM |
| Maximum internal memory | 128 GB |
| Supported memory clock speeds | 2133, 2400, 2666, 2933, 3000, 3200, 3300, 3333, 3400, 3466, 3600, 3733, 3866, 4000, 4133, 4200, 4266, 4300, 4400 MHz |
| Number of SATA III connectors | 6 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 2 |
| Peripheral (Molex) power connectors (4-pin) | 1 |
| RAID levels | 0, 1, 10 |
| USB 2.0 ports quantity | USB 2.0 ports have a data transmission speed of 480 Mbps, and are backwards compatible with USB 1.1 ports. You can connect all kinds of peripheral devices to them. |
| LAN controller | Realtek RTL8125B |
| Wi-Fi standards | 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax) |
| Bluetooth version | 5.2 |
| Top Wi-Fi standard | Wi-Fi 6E (802.11ax) |
| Ethernet interface type | 2.5 Gigabit Ethernet |
| DirectX version | 12.0 |
| Parallel processing technology support | Crossfire |
Weight and Dimensions| Width | 244 mm |
|---|
Table showing LAN port LED status and descriptions.
Diagram illustrating audio port connections and channel configurations.
Information and diagram for installing the CPU onto the motherboard socket.
Details and recommendations for installing RAM modules into the DIMM slots.
Details on PCIe slots, M.2 slots, and SATA connectors for storage devices.
Information on front panel, power, USB, and fan connectors for system building.
Details on chassis intrusion, BIOS reset, RGB LEDs, and debug indicators.
Step-by-step guide for installing the operating system on the computer.
Instructions for installing necessary drivers from the MSI DVD or website.
Overview of the MSI Center application for system optimization and control.
Benefits and features of using the UEFI BIOS system.
Scenarios where UEFI BIOS might not be compatible, such as older graphics cards.
Procedure to verify the current BIOS mode (UEFI or Legacy).
Instructions on how to access the BIOS setup menu using keyboard keys.
List of function keys and their corresponding actions within the BIOS setup.
Link and QR code to access a detailed guide for BIOS settings.
Step-by-step guide for updating the BIOS using the M-FLASH utility.
Instructions for updating BIOS using the dedicated Flash BIOS button on the motherboard.
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