Motherboard - micro ATX - Socket AM4 - AMD B550 Chipset - USB 3.2 Gen 1, USB 3.2 Gen 2 - Gigabit LAN, Wi-Fi 6, Bluetooth - onboard graphics (CPU required) - HD Audio (8-channel)
| Main Specifications | |
|---|---|
| Product Description | ASUS PRIME B550M-A WIFI II - motherboard - micro ATX - Socket AM4 - AMD B550 |
| Product Type | Motherboard - micro ATX |
| Chipset Type | AMD B550 |
| Processor Socket | 1 x Socket AM4 |
| Compatible Processors | Ryzen (supports Ryzen 3000 Series/ 4000 G-Series/ 5000 Series/ 5000 G-Series) |
| Max RAM Size | 128 GB |
| RAM Supported | 4 DIMM slots - DDR4, ECC, non-ECC, unbuffered |
| Storage Ports | 4 x SATA-600 (RAID), 2 x M.2 |
| USB / FireWire Ports | 2 x USB 3.2 Gen 2 + 4 x USB 3.2 Gen 1 + (2 x USB 3.2 Gen 1 + 4 x USB 2.0 via headers) |
| Audio | HD Audio (8-channel) |
| LAN | Gigabit Ethernet, 802.11a/b/g/n/ac/ax, Bluetooth 5.2 |
| General | |
| Product Type | Motherboard - micro ATX |
| Chipset Type | AMD B550 |
| Processor Socket | Socket AM4 |
| Max Processors Qty | 1 |
| Compatible Processors | Ryzen (supports Ryzen 3000 Series/ 4000 G-Series/ 5000 Series/ 5000 G-Series) |
| Expansion / Connectivity | |
| Expansion Slots | 1 x CPU ¦ 4 x DIMM 288-pin ¦ 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 |
| Storage Interfaces | SATA-600 -connectors: 4 x 7pin Serial ATA - RAID 0 / RAID 1 / RAID 10 ¦ SATA-600 / PCIe 4.0 -connectors: 1 x M.2 ¦ SATA-600 / PCIe 3.0 -connectors: 1 x M.2 |
| Interfaces | 1 x VGA ¦ 1 x DVI-D ¦ 1 x LAN (Gigabit Ethernet) ¦ 4 x USB 3.2 Gen 1 ¦ 2 x USB 3.2 Gen 2 ¦ 1 x audio line-in - mini-jack ¦ 1 x audio line-out - mini-jack ¦ 1 x microphone - mini-jack ¦ 1 x PS/2 keyboard / mouse ¦ 1 x HDMI |
| Internal Interfaces | 4 x USB 2.0 - header ¦ 2 x USB 3.2 Gen 1 - header ¦ 1 x SPDIF out - header ¦ 1 x audio - header ¦ 1 x serial - header ¦ 1 x speaker - header |
| Power Connectors | 24-pin main power connector, 8-pin ATX12V connector |
| Miscellaneous | |
| Included Accessories | ASUS Wi-Fi moving antenna, 1 x M.2 screw, I/O back cover |
| Cables Included | 2 x Serial ATA cable |
| Software Included | Drivers & utilities, ASUS AURA Creator, ASUS AI Suite III, ASUS CPU-Z, ASUS AI Charger, DAEMON Tools, WinRAR, Norton AntiVirus (Trial), ASUS EZ Flash 3 |
| Width | 9.6 in |
| Depth | 9.6 in |
| Audio | |
| Type | HD Audio (8-channel) |
| Compliant Standards | High Definition Audio |
| Features | |
| BIOS Type | AMI |
| BIOS Features | UEFI BIOS, ASUS EZ Flash 3 |
| Sleep / Wake Up | Wake on LAN (WOL), wake on PME |
| Hardware Features | Preboot eXecution Environment (PXE), LANGuard, jack retasking, audio jack detect technology, ASUS 5X Protection III, ASUS DIGI+ VRM, ASUS Overvoltage Protection, ASUS SafeSlot Core, ASUS Stainless Steel Back I/O, ASUS Q-Design, Q-DIMM, Q-Slot, ASUS Aura Sync, Armoury Crate, ASUS TurboV EVO, ASUS EPU (Energy Processing Unit), ASUS Fan Xpert 2+, ASUS EZ DIY, CrashFree BIOS 3 |
| LAN | |
| Network Interfaces | Gigabit Ethernet, 802.11a/b/g/n/ac/ax, Bluetooth 5.2 |
| Supported RAM | |
| Max Size | 128 GB |
| Technology | DDR4 |
| Bus Clock | 2400 MHz, 2133 MHz, 2800 MHz, 3000 MHz, 2666 MHz, 2933 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.) |
| Supported RAM Integrity Check | ECC, non-ECC |
| Registered or Buffered | Unbuffered |
| Features | Dual channel memory architecture |