ASUS PRIME B550M-A WIFI II AMD B550 Socket AM4 micro ATX
AsusRatings: 5.0/5 (3)
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AMD B550 (Ryzen AM4) micro ATX motherboard with dual M.2, PCIe 4.0, Wi-Fi 6, 1 Gb Ethernet, HDMI, DVI-D, D-Sub, SATA 6 Gbps, USB 3.2 Gen 2 Type-A, and Aura Sync RGB lighting support
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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 4.x) slots
- 1
- Number of M.2 (M) slots
- 2
- 1st M.2 largest key size
- 22110
- 1st M.2 highest PCI Express generation
- 4.0
- 2nd M.2 largest key size
- 2280
- 2nd M.2 highest PCI Express generation
- 3.0
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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