AMD B550, AM4, 4x DDR4, HDMI, SATA III, M.2, USB 3.2, USB 2.0, ATX, 128 GB
It features the AMD B550 Chipset, a socket AM4, and 4 DDR4 memory slots supporting up to 128GB of memory.
The motherboard also includes a range of modern connectivity options, such as USB 3.2 Gen 2, M.2 Gen3 x4 32Gbps slot, and 6 SATA 6Gb/s ports. Additionally, it supports RAID 0, RAID 1, and RAID 10 for SATA storage devices.
MSI motherboards let you manage speeds and temperatures for all your system and CPU fans. Total Fan Control allows you check your primary system characteristics in a simplified graphical interface. You can also set up to 4 temperature targets for CPU and motherboard, which will adjust the fan speeds automatically.
MSI B550 motherboards support all the latest storage standards, which allows users to connect any ultra-fast storage device. Higher efficiency makes your work easier.
Make sure you enjoy the purest sound quality in both stereo and surround sound.
A high fidelity sound experience with exceptional acoustics and realism for studio level headphones is ensured.
Keep your sound perfect by transmit your audio with pure digital signal.
| Memory slots type | DIMM |
| Number of memory slots | 4 |
| Supported memory types | DDR4-SDRAM |
| Memory channels | Dual-channel |
| Non-ECC | |
| Supported memory clock speeds | 1866,2133,2400,2667,2800,2933,3000,3066,3200,3466,3600,3733,3866,4000,4133,4266,4400 MHz |
| Maximum internal memory | 128 GB |
| Unbuffered memory |
| Processor manufacturer | AMD |
| Compatible processor series | AMD Ryzen 3 3rd Gen, AMD Ryzen 5 3rd Gen, AMD Ryzen 7 3rd Gen, AMD Ryzen 9 3rd Gen |
| Processor socket | Socket AM4 |
| Maximum number of SMP processors | 1 |
| RAID levels | 0,1,10 |
| USB 2.0 connectors | 2 |
| USB 3.0 (3.1 Gen 1) connectors | 2 |
| Supported storage drive interfaces | SATA III |
| Number of SATA III connectors | 6 |
| Front panel audio connector | |
| ATX Power connector (24-pin) | |
| CPU fan connector | |
| Number of chassis fan connectors | 2 |
| Chassis intrusion connector | |
| 12V power connector | |
| RGB LED pin header |
| PS/2 ports quantity | 1 |
| HDMI ports quantity | 1 |
| DVI-D ports quantity | 1 |
| HDMI version | 2.0b |
| S/PDIF out port | |
| Digital audio optical out | 1 |
| USB 2.0 ports quantity | 2 |
| USB 3.0 (3.1 Gen 1) Type-A ports quantity | 2 |
| USB 3.1 (3.1 Gen 2) Type-A ports quantity | 1 |
| USB 3.1 (3.1 Gen 2) Type-C ports quantity | 1 |
| Ethernet LAN (RJ-45) ports | 1 |
| Ethernet LAN | |
| Ethernet interface type | Gigabit Ethernet |
| LAN controller | Realtek RTL8111H |
| Wi-Fi | |
| Bluetooth |
| Audio chip | Realtek ALC897 |
| Component for | PC |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B550 |
| Motherboard form factor | ATX |
| Audio output channels | 7.1 channels |
| Maximum graphics adapter memory | 16000 MB |
| Maximum resolution | 4096 x 2160 pixels |
| Number of M.2 (M) slots | 1 |
| BIOS type | UEFI AMI |
| Clear CMOS jumper | |
| BIOS memory size | 256 MB |
| Width | 305 mm (11.9 ") |
| Depth | 244 mm (9.52 ") |
| Cables included | SATA |
| Drivers included |
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