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ASUS Prime series is expertly engineered to unleash the full potential of 3rd Generation AMD Ryzen platform. Boasting a robust power design, comprehensive cooling solutions and intelligent tuning options, Prime B550 series motherboards provide daily users and DIY PC builders a range of performance tuning options via intuitive software and firmware features.
Tune It Your Way
Comprehensive controls form the foundation of the ASUS Prime series. The Prime B550 motherboard packs flexible tools to tune every aspect of your system, enabling you to tweak performance settings to perfectly match the way you work – maximizing your productivity.
UEFI BIOS
The renowned ASUS UEFI BIOS provides everything you need to configure, tweak and tune your system. It offers intelligently simplified options for PC DIY beginners, as well as comprehensive features for seasoned veterans.
Advanced Tuning for Serious Tweakers
An intuitive Advanced mode offered via the UEFI lets you take complete control. A built-in search feature makes it easy to find options, and various Advanced functions let you intelligently make nuanced adjustments so you can dial in performance just the way you want.
Search Function
Quickly and easily find the option or setting you need.
ASUS User Profile
Port configuration settings between different BIOS versions or share them with friends.
Quick and Simple Setup
EZ mode displays vital settings and stats and also offers guided wizards, drag-and-drop functionality, and one-click application of important settings — all to help you get your rig up and running in no time.
FORM FACTOR | Micro ATX |
SOCKET TYPE | AM4 |
COMPATIBLE PROCESSORS | AMD Ryzen™ 3, AMD Ryzen™ 5, AMD Ryzen™ 7, 3rd Generation AMD Ryzen™ 9, AMD Ryzen 9 5th Gen |
CHIPSET | AMD B550 |
MEMORY STANDARD | DDR4-SDRAM |
MEMORY SLOTS | 4 |
MEMORY CHANNELS | Dual-channel |
MAXIMUM INTERNAL MEMORY | 128GB |
PORTS | USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity: 2 Ethernet LAN (RJ-45) ports: 1 WiFi-AP antenna jack: 1 HDMI ports quantity: 1 USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity: 4 DVI-D ports quantity: 1 PS/2 ports quantity: 1 VGA (D-Sub) ports quantity: 1 |
ETHERNET | Gigabit Ethernet |
ONBOARD USB 2.0 | 2 |
ONBOARD USB 3.1 | 1 |
M.2 SLOTS | 2 |
SATA III CONNECTORS | 4 |
S/PDIF OUT | Yes |
FRONT PANEL AUDIO | Yes |
MAIN POWER CONNECTOR | ATX Power connector (24-pin) |
CPU FAN CONNECTOR | Yes |
CHASSIS FAN CONNECTORS | 2 |
TPM | Yes |
RGB LED HEADER | Yes |
AUDIO CHIPSET | Realtek ALC887 / Realtek ALC897 |
AUDIO CHANNELS | 7.1 channels |
PCI EXPRESS X1 | 2 |
PCI EXPRESS X16 | PCI Express x16 (Gen 4.x) slots: 1 PCI Express x16 (Gen 3.x) slots: 1 |
RAID | 0, 1, 10 |
CROSSFIRE | No |
SUPPORTED OPERATING SYSTEMS | Windows 10 x64 |
BLUETOOTH | Yes |
WIFI | Yes |
RESOLUTION | 3840 x 2160 pixels |
WAKE-ON-LAN READY | Yes |