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General| Processor socket | Socket AM4 |
|---|---|
| Processor manufacturer | AMD |
| Compatible processor series | AMD Ryzen 3, AMD Ryzen 5 |
| Maximum number of SMP processors | 1 |
| 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 | 3866, 4000, 4133, 4266, 4400, 4600, 4800, 5100 MHz |
| RAID levels | 0, 1, 10 |
| Number of storage drives supported | 8 |
| Supported storage drive interfaces | M.2, PCI Express 3.0, SATA |
| Number of displays supported | 2 |
| Parallel processing technology support | 2-Way SLI, 3-Way CrossFireX |
| Number of SATA II connectors | 0 |
| Number of SATA III connectors | 6 |
| DisplayPort version | 1.2 |
| USB 2.0 ports quantity | 5 |
| LAN controller | Intel I225-V |
| Bluetooth version | 5.1 |
| Top Wi-Fi standard | Wi-Fi 6 (802.11ax) |
| WLAN controller model | Intel Wi-Fi 6 AX200 |
| Ethernet interface type | 2.5 Gigabit Ethernet |
| Audio chip | SupremeFX S1220A |
| Component for | PC |
| Motherboard chipset | AMD B550 |
| Audio output channels | 7.1 channels |
| Motherboard form factor | ATX |
| Windows operating systems supported | Windows 10 x64 |
| BIOS type | UEFI AMI |
| BIOS memory size | 256 Mbit |
Weight and Dimensions| Depth | 244 mm |
|---|---|
| Width | 305 mm |
Precautions to prevent electrical hazards during system operation and maintenance.
Guidelines for safe handling and operation of the motherboard and system components.
Lists resources for additional product and software updates.
Explains symbols used in the manual for clarity.
Essential precautions before installing motherboard components or changing settings.
Diagram showing all motherboard components and connectors with numbered references.
Details about the AMD AM4 socket for Ryzen processors.
Information on installing DDR4 memory modules and configurations.
Description of PCIe slots and recommended VGA configurations.
Guide to connecting CPU fans, AIO pumps, and chassis fans.
Instructions for connecting ATX power supply to the motherboard.
Installation details for M.2 SSD modules.
Connecting SATA devices like HDDs and optical drives.
Front panel USB 3.2 Gen 2, Gen 1 connectors and USB 3.2 Gen 1 header.
Connecting USB 2.0 modules for additional ports.
Connecting individually addressable RGB WS2812B LED strips.
Connecting 5050 RGB multi-color LED strips.
Clearing RTC RAM and system setup parameters.
Front Panel Audio and S/PDIF Out header connections.
Connecting the chassis-mounted system warning speaker.
Connecting system power/HDD LEDs, power, and reset buttons.
Connecting a sensor to monitor temperature.
Thunderbolt header for I/O cards.
LED indicator for BIOS FlashBack™ status.
Q-Code LED and Q-LEDs for system status and error codes.
Step-by-step guide for assembling PC components.
Step-by-step guide for installing the CPU into the socket.
Instructions for installing CPU heatsinks, fans, and AIO coolers.
Procedures for installing and removing DDR4 memory modules.
Guide to installing M.2 SSD storage devices.
Steps to mount the motherboard into the PC chassis.
Connecting the main ATX power supply cables.
Connecting SATA data and power cables to devices.
Connecting front panel audio, USB, and speaker headers.
Installing PCIe x16 and PCIe x1 expansion cards.
Connecting the Wi-Fi antennas to the motherboard.
Using the BIOS FlashBack™ feature to update the BIOS easily.
Identifying and connecting rear panel ports like USB, LAN, DisplayPort, HDMI.
Connecting headphones, microphones, and speaker systems to audio jacks.
Initial system power-up, POST, and shutdown procedures.
Procedures for properly shutting down or putting the system into sleep mode.
Introduction to the ASUS UEFI BIOS interface and its functions.
How to enter and navigate the BIOS setup utility.
ASUS EZ Update and EZ Flash 3 for updating the motherboard BIOS.
Auto recovery tool for restoring BIOS files.
Supported RAID levels (0, 1, 10) and configuration utility.
Reference for motherboard diagnostic error codes.
Regulatory compliance information including FCC, ISED, and other regional statements.
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