Tech specs
Brand
ASUS
Product Line
ASUS
Model
PRIME B550M-A WIFI II
Manufacturer
Asus
Compatible Processors
Ryzen
Processor Socket
Socket AM4
Processors Installed
0
Total Processor Supported
1
Features
Dual channel memory architecture
Max Memory Supported
128 GB
Memory Slots
4 DIMM slots
Mainboard Supported RAM
DDR4 SDRAM
Supported Memory Speed
2133 MHz, 2400 MHz, 2666 MHz, 2800 MHz, 2933 MHz, 3000 MHz, 3200 MHz, 3333 MHz (O.C.), 3400 MHz (O.C.), 3466 MHz (O.C.), 3600 MHz (O.C.), 3733 MHz (O.C.), 3866 MHz (O.C.), 4000 MHz (O.C.), 4133 MHz (O.C.), 4200 MHz (O.C.), 4266 MHz (O.C.), 4333 MHz (O.C.), 4400 MHz (O.C.), 4466 MHz (O.C.), 4600 MHz (O.C.), 4800 MHz (O.C.), 4866 MHz (O.C.)
Storage Interfaces
SATA-600 / PCIe 3.0 -connectors: 1 x M.2, SATA-600 / PCIe 4.0 -connectors: 1 x M.2, SATA-600 -connectors: 4 x 7pin Serial ATA - RAID 0 / RAID 1 / RAID 10
Data Link Protocols
802.11ax, Bluetooth 5.2, Ethernet, Fast Ethernet, Gigabit Ethernet, IEEE 802.11a, IEEE 802.11ac, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n
Network
802.11a/b/g/n/ac/ax, Bluetooth 5.2, Gigabit Ethernet
Expansion Slots
1 x CPU, 1 x PCIe 4.0 x16 (PCIe 4.0 x16 mode (Ryzen 5000 Series/ 3000 Series CPUs); PCIe 3.0 x16 mode (Ryzen 5000 G-Series / 4000 G-Series CPUs)), 2 x PCIe 3.0 x1, 4 x DIMM 288-pin
Interface Provided
1 x audio line-in - mini-jack, 1 x audio line-out - mini-jack, 1 x DVI-D, 1 x HDMI, 1 x LAN (Gigabit Ethernet), 1 x microphone - mini-jack, 1 x PS/2 keyboard / mouse, 1 x VGA, 2 x USB 3.2 Gen 2, 4 x USB 3.2 Gen 1
Internal Interfaces
1 x audio - header, 1 x serial - header, 1 x SPDIF out - header, 1 x speaker - header, 2 x USB 3.2 Gen 1 - header, 4 x USB 2.0 - header
Storage
M.2 socket, Serial ATA-600 (RAID)
Storage Ports
4 x SATA-600 (RAID), 2 x M.2
USB & FireWire
USB 3.2 Gen 1, USB 3.2 Gen 2
USB & FireWire Ports Configuration (Active)
2 x USB 3.2 Gen 2 + 4 x USB 3.2 Gen 1
USB & FireWire Ports Configuration (Headers)
2 x USB 3.2 Gen 1 + 4 x USB 2.0
Type
Graphics adapter (CPU required)
Audio Output
High Definition Audio (8-channel)
Compliant Standards
High Definition Audio
Output Type
Sound card
Included Software
ASUS AI Charger, ASUS AI Suite III, ASUS AURA Creator, ASUS CPU-Z, ASUS EZ Flash 3, DAEMON Tools, Drivers & Utilities, Norton AntiVirus (Trial), WinRAR
Chipset Type
AMD B550
Compatible Processors Comments
Supports Ryzen 3000 Series/ 4000 G-Series/ 5000 Series/ 5000 G-Series
Form Factor (Motherboard)
Micro ATX
Power Connectors
24-pin main power connector, 8-pin ATX12V connector
Supported RAM (Registered or Buffered)
Unbuffered
Supported RAM Integrity Check
ECC, Non-ECC
BIOS Features
ASUS EZ Flash 3, UEFI BIOS
BIOS Type
AMI
Hardware Features
Armoury Crate, ASUS 5X Protection III, ASUS Aura Sync, ASUS DIGI+ VRM, ASUS EPU (Energy Processing Unit), ASUS EZ DIY, ASUS Fan Xpert 2+, ASUS Overvoltage Protection, ASUS Q-Design, ASUS SafeSlot Core, ASUS Stainless Steel Back I/O, ASUS TurboV EVO, Audio jack detect technology, CrashFree BIOS 3, Jack retasking, LANGuard, Preboot eXecution Environment (PXE), Q-DIMM, Q-Slot
Packaged Quantity
1
Product Type
Motherboard
Sleep/Wake Up
Wake on LAN (WOL), Wake on PME
Cables
2 x Serial ATA cable
Included Accessories
1 x M.2 screw, ASUS Wi-Fi moving antenna, I/O back cover
Width
24.4 centimetre
Depth
24.4 centimetre
ENERGY STAR Certified
No
EPEAT Compliant
No
TCO Certified
No
