| Basic Information | ||
| Supported CPU | AMD Ryzen 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors | |
| Chipset | B550 | |
| BIOS | 256 Mb Flash ROM, UEFI AMI BIOS | |
| Form Factor | microATX | |
| Expansion Slots | ||
| PCI | AMD Ryzen 5000 Series/ 3000 Series Desktop Processors 1 x PCIe 4.0 x16 slot (supports x16 mode) AMD Ryzen™ 5000 G-Series/ 4000 G-Series Desktop Processors 1 x PCIe 3.0 x16 slot (supports x16 mode)* AMD B550 Chipset 1 x PCIe 3.0 x16 slot (supports x4 mode) 1 x PCIe 3.0 x1 slot Support PCIe bifurcation for RAID on CPU function. PCIEX16_2 will run x2 mode when the PCIEX1 slot is used. |
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| M.2 Socket | Supports 2 x M.2 slots and 4 x SATA 6Gb/s ports | |
| Memory | ||
| Maximum Memory | 128GB | |
| Slots | 4 x DIMM | |
| Supported Memory | 4866(OC)/4800(OC)/4600(OC)/4466(OC)/4400(OC)/ 4333(OC)/4266(OC)/ 4200(OC)/4133(OC)/4000(OC)/3866(OC)/3733(OC)/ 3600(OC)/3466(OC)/ 3400(OC)/3333(OC)/3200/ 3000/ 2933/ 2800/2666/2400/ 2133, Un-buffered Memory | |
| Type | DDR4 | |
| Graphics | ||
| Graphics | 1 x DisplayPort 1 x HDMI port |
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| Connector & Ports | ||
| HDMI | 1 x HDMI 2.1(4K@60HZ) | |
| USB (s) | Rear USB:Total 8 ports 2 x USB 3.2 Gen 2 ports (1 x Type-A + 1 x USB Type-C) 4 x USB 3.2 Gen 1 ports (4 x Type-A) 2 x USB 2.0 ports (2 x Type-A) Front USB:Total 6 ports 1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports 2 x USB 2.0 headers support additional 4 USB 2.0 ports |
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| LAN Port (s) | TUF LANGuard | |
| Supported Storage | AMD Ryzen 5000 Series/ 3000 Series Desktop Processors M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 4.0 x4 & SATA modes) AMD Ryzen™ 5000 G-Series/ 4000 G-Series Desktop Processors M.2_1 slot (Key M), type 2242/2260/2280 (supports PCIe 3.0 x4 & SATA modes) AMD B550 Chipset M.2_2 slot (Key M), type 2242/2260/2280/22110 (supports PCIe 3.0 x4 & SATA modes) 4 x SATA 6Gb/s ports Support RAID 0, 1, 10 |
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| Internal I/O Ports | Fan and Cooling related 1 x 4-pin CPU Fan header 1 x 4-pin CPU OPT Fan header 2 x 4-pin Chassis Fan headers Power related 1 x 24-pin Main Power connector 1 x 8-pin +12V Power connector Storage related 2 x M.2 slots (Key M) 4 x SATA 6Gb/s ports USB 1 x USB 3.2 Gen 1 header supports additional 2 USB 3.2 Gen 1 ports 2 x USB 2.0 headers support additional 4 USB 2.0 ports Miscellaneous 1 x Addressable Gen 2 header 2 x AURA RGB headers 1 x Clear CMOS header 1 x COM Port header 1 x Front Panel Audio header (AAFP) 1 x Speaker header 1 x SPI TPM header (14-1pin) 1 x 10-1 pin System Panel header 1 x 10-1 pin System Panel header |
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| Display Port (s) | 1 x DisplayPort 1.2 | |
| TPM (Trusted Platform Module ) | 1 x SPI TPM header (14-1pin) | |
| Wireless Communication module | 2x2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax) + BT5.2 | |
| Others | ||
| Special Features | ASUS TUF PROTECTION - DIGI+ VRM (Digital power design with DrMOS) - Enhanced DRAM Overcurrent Protection - ESD Guards - TUF LANGuard - Overvoltage Protection - SafeSlot - Stainless-Steel Back I/O ASUS Q-Design - Q-DIMM - Q-LED (CPU [red], DRAM [yellow], VGA [white], Boot Device [yellow green]) - Q-Slot ASUS Thermal Solution - M.2 heatsink - VRM heatsink design ASUS EZ DIY - BIOS FlashBack button - BIOS FlashBack LED - ProCool AURA Sync - AURA RGB headers - Addressable Gen 2 header |
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| Bundled Software | ASUS Exclusive Software Armory Crate - Aura Creator - Aura Sync - Two-Way AI Noise Cancelation AI Suite 3 - Performance And Power Saving Utility TurboV EVO EPU DIGI+ VRM Fan Xpert 2+ - EZ update TUF GAMING CPU-Z AI Charger DAEMON Tools DTS Custom for GAMING Headsets Norton Anti-virus software (Free Trial version) WinRAR UEFI BIOS ASUS EZ DIY - ASUS CrashFree BIOS 3 - ASUS EZ Flash 3 - ASUS UEFI BIOS EZ Mode |
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| Warranty Information | ||
| Warranty | 3 Year | |
The Asus TUF GAMING B550M-PLUS WIFI II is a high-performance microATX motherboard engineered to unleash the full potential of AMD AM4 processors, including the legendary Ryzen 5000 series. Blending military-grade durability with essential gaming features, it serves as an rock-solid foundation for compact, high-performance rigs.
Equipped with an enhanced 8+2 DrMOS power stage VRM and a Digi+ VRM voltage regulator, this motherboard ensures rock-solid, clean power delivery to the CPU under intense gaming loads. To keep thermals in check during marathon sessions, it features enlarged VRM heatsinks, high-quality thermal pads, and a dedicated M.2 heatsink that prevents thermal throttling on high-speed NVMe SSDs.
PCIe 4.0 Ready: Features a PCIe 4.0 x16 slot and a PCIe 4.0 M.2 slot, offering double the bandwidth of previous generations for modern graphics cards and ultra-fast storage.
Ultrafast Networking: Onboard Wi-Fi 6 (802.11ax) and 2.5 Gb Ethernet deliver exceptionally low-latency online gaming, smoother streaming, and rapid file transfers.
Peripheral Support: Packed with rear-panel USB 3.2 Gen 2 Type-A and Type-C ports for high-speed external devices.
Gamers will appreciate the AI Noise-Canceling Microphone technology, which cleans up in-game voice chat by filtering out background noise. Sound quality is further elevated by the Realtek 7.1-channel high-definition audio codec.
For personalization, the motherboard integrates Aura Sync RGB lighting, allowing users to synchronize LEDs and strips across a massive ecosystem of compatible hardware. With its signature black-and-yellow TUF styling, standard-setting SafeSlot fortification, and BIOS FlashBack™ ease, the B550M-Plus WIFI II delivers premium, battle-tested value in a compact footprint.
Get specific details about this product from customers who own it.