Description
Motherboard ASUS PRIME B550M-A WIFI II in micro ATX format and AM4 socket for AMD Ryzen 3000 and 5000 series processors. It features four DIMM slots for dual-channel DDR4-SDRAM memory, with ECC support and a maximum capacity of 128 GB. It offers six ports for HDD and SSD drives, with M.2, PCI Express 3.0, PCI Express 4.0, and SATA III interfaces, as well as compatibility with RAID levels 0, 1, and 10. It integrates WiFi connectivity and is presented as a balanced option for compact builds.
Specifications
Processor
- Processor manufacturer: AMD
- Processor socket: Socket AM4
- Compatible processor series: AMD Ryzen 3000 Series, AMD Ryzen 5000 Series
- Supported processor sockets: Socket AM4
Memory
- 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, 4866 MHz
- Maximum internal memory: 128 GB
- Unbuffered memory: Yes
Storage controllers
- 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
Graphics
- Parallel processing technology support: Not supported
- On-board graphics card: No
Internal I/O
- 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
Rear panel I/O ports
- 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: 1
- Microphone in: Yes
- WiFi-AP antenna jack: 1
- USB connector type: USB Type-A
Network
- 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 6 (802.11ax)
- 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: Yes
- Bluetooth version: 5.2
Features
- Motherboard chipset: AMD B550
- Audio output channels: 7.1 channels
- Product colour: Multicolour
- Component for: PC
- Motherboard form factor: micro ATX
- Motherboard chipset family: AMD
- Windows operating systems supported: Windows 10 x64, Windows 11 x64
Expansion slots
- 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
- BIOS type: UEFI AMI
- BIOS memory size: 256 Mbit
- Clear CMOS jumper: Yes
Logistics data
- Harmonized System (HS) code: 84733020
Weight & dimensions
- Width: 244 mm
- Depth: 244 mm
- Height: 67 mm
Packaging content
- Cables included: SATA
- Drivers included: Yes
Other features
- Weight: 845 g
- Packaging content: 2 x SATA 6Gb/s cables 1 x ASUS Wi-Fi moving antennas 1 x I/O Shield 1 x M.2 SSD screw package 1 x Support DVD 1 x User manual
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