ASUS PRIME B550M-A AC AMD B550 Socket AM4 micro ATX
Part number PRIME B550M-A AC
AMD AM4 MATX MOTHERBOARD WITH PCIE 4.0, DUAL M.2
- AMD AM4 socket: Ready for Ryzen™ 5000 Series/ 4000 G-Series/ 3000 Series Desktop Processors
- Comprehensive cooling: VRM heatsink, PCH heatsink, Fan Xpert 2+
- Ultrafast connectivity: Dual M.2, PCIe 4.0, 802.11ac Wi-Fi, USB 3.2 Gen 2 Type-A
- Aura Sync RGB: Synchronizable LED effects across a vast portfolio of compatible PC gear, including addressable RGB strips
- Manufacturer
- ASUS
- Part number
- PRIME B550M-A AC
- Condition
- New
- Category
- System Components › Motherboards
- 1GPA category
- Hardware
Overview
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.
Intuitive Graphical Fan Control
Fine-tune individual fan settings simply by dragging a curve with the mouse.
EZ XMP
Improve DRAM performance with one click.
Aura On/Off mode (Stealth)
Easily enable or disable Aura RGB lighting or every onboard LED, for a subdued aesthetic touch.
Cool to the Core
Prime B550 series is engineered with multiple onboard heatsinks and an array of hybrid fan headers to ensure your rig stays cool and stable under intense workloads.
VRM Heatsink and Thermal Pads
A VRM heatsink with underneath thermal pad improves heat transfer from the MOSFETs and chokes for better cooling performance.
Cooler by Design
Prime B550 series features comprehensive cooling controls that are configurable via Fan Xpert 2+ software or via the UEFI BIOS.
Multiple Temperature Sources
Each header can dynamically reference three thermal sensors. Fan Xpert 2+ allows you to map the temperature of supported ASUS graphics cards to optimize cooling for GPU- and CPU-intensive tasks.
Smart Protection
A dedicated integrated circuit protects each fan header from overheating and overcurrent.
4-Pin PWM/DC Fan
Specifications
| Processor manufacturer | AMD |
|---|---|
| Processor socket | Socket AM4 |
| Compatible processor series | AMD Ryzen 3000 Series, AMD Ryzen 5000 Series |
| Supported processor sockets | Socket AM4 |
| Supported memory types | DDR4-SDRAM |
|---|---|
| Number of memory slots | 4 |
| Memory slots type | DIMM |
| Memory channels | Dual-channel |
| ECC сompatibility | ECC |
| Supported memory clock speeds | 2133,2400,2666,2800,3000,3200,3333,3466,3600,3733,3866,4000,4133,4266,4400,4466,4600,4800 MHz |
| Maximum internal memory | 128 GB |
| Unbuffered memory | Yes |
| Supported storage drive types | HDD & SSD |
|---|---|
| Supported storage drive interfaces | M.2, PCI Express 3.0, PCI Express 4.0, SATA III |
| Number of storage drives supported | 6 |
| RAID support | Yes |
| RAID levels | 0, 1, 10 |
| Parallel processing technology support | Not supported |
|---|---|
| Maximum resolution | 3840 x 2160 pixels |
| USB 2.0 connectors | 2 |
|---|---|
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 1 |
| Number of SATA III connectors | 4 |
| S/PDIF out connector | Yes |
| Front panel audio connector | Yes |
| ATX Power connector (24-pin) | Yes |
| Number of EATX power connectors | 1 |
| CPU fan connector | Yes |
| Number of chassis fan connectors | 2 |
| EPS power connector (8-pin) | Yes |
| Number of COM connectors | 1 |
| TPM connector | Yes |
| 12V power connector | Yes |
| RGB LED pin header | Yes |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 4 |
|---|---|
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 2 |
| Ethernet LAN (RJ-45) ports | 1 |
| PS/2 ports quantity | 1 |
| VGA (D-Sub) ports quantity | 1 |
| HDMI ports quantity | 1 |
| HDMI version | 2.1 |
| DVI-D ports quantity | 1 |
| Headphone outputs | 3 |
| Microphone in | Yes |
| WiFi-AP antenna jack | 1 |
| USB connector type | USB Type-A |
| Ethernet LAN | Yes |
|---|---|
| Ethernet interface type | Gigabit Ethernet |
| LAN controller | Realtek RTL8111H |
| Wake-on-LAN ready | Yes |
| Wi-Fi | Yes |
| Top Wi-Fi standard | Wi-Fi 5 (802.11ac) |
| Wi-Fi standards | 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac) |
| WLAN controller model | Realtek RTL8821CE |
| Bluetooth | Yes |
| Bluetooth version | 5.0 |
| Motherboard chipset | AMD B550 |
|---|---|
| Audio chip | Realtek ALC887 / Realtek ALC897 |
| Audio output channels | 7.1 channels |
| Component for | PC |
| Motherboard form factor | micro ATX |
| Motherboard chipset family | AMD |
| Windows operating systems supported | Windows 10 x64 |
| PCI Express x1 (Gen 3.x) slots | 2 |
|---|---|
| PCI Express x16 (Gen 3.x) slots | 1 |
| PCI Express x16 (Gen 4.x) slots | 1 |
| Number of M.2 (M) slots | 2 |
| BIOS type | UEFI AMI |
|---|---|
| BIOS memory size | 256 Mbit |
| Clear CMOS jumper | Yes |
| Harmonized System (HS) code | 84733020 |
|---|
| Width | 244 mm |
|---|---|
| Depth | 244 mm |
| Cables included | SATA |
|---|---|
| Drivers included | Yes |
Product photos and overview provided by the manufacturer through Icecat. Confirm specifications with your rep before ordering.