Model:
TUF GAMING B550M-PLUS WIFI II
 
CPU:
AMD Ryzen™ 5000 Series/ 5000 G-Series/ 4000 G-Series/ 3000 Series Desktop Processors
* Refer to www.asus.com for CPU support list.
 
Chipset:
B550
 
Memory:
4 x DIMM, Max. 128GB, DDR4 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*
Dual Channel Memory Architecture
* ECC Memory (ECC mode) support varies by CPU.
* Refer to www.asus.com for the Memory QVL (Qualified Vendors Lists), and memory frequency support depends on the CPU types.
 
Graphics:
1 x DisplayPort**
1 x HDMI®port***
* Graphics specifications may vary between CPU types.
** Supports max. 4K@60Hz as specified in DisplayPort 1.2.
*** Supports 4K@60Hz as specified in HDMI 2.1.
 
Expansion Slots:
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 PCIEX1 slot is used.
 
Storage:
Supports 2 x M.2 slots and 4 x SATA 6Gb/s ports
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
 
Ethernet:
TUF LANGuard
 
Wireless & Bluetooth:
2x2 Wi-Fi 6 (802.11 a/b/g/n/ac/ax) + BT5.2
 
USB:
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
 
Audio:
Realtek 7.1 Surround Sound High Definition Audio CODEC
- Supports: Jack-detection, Multi-streaming, Front Panel Jack-retasking
- Supports up to 24-Bit/192 kHz playback
Audio Features
- Audio Shielding
- Rear optical S/PDIF out port
- Premium audio capacitors
- Dedicated audio PCB layers
- Audio cover
 
Back Panel I/O 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, one port can be switched to USB BIOS FlashBack™)
2 x USB 2.0 ports (2 x Type-A)
1 x DisplayPort
1 x HDMI® port
1 x Wi-Fi Module
1 x Realtek 2.5Gb Ethernet port
5 x Audio jacks
1 x Optical S/PDIF out port
1 x BIOS FlashBack™ button
1 x PS/2 Keyboard/Mouse combo port
 
Internal I/O Connectors:
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
 
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
 
Software Features:
ASUS Exclusive Software
Armoury 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
 
BIOS:
256 Mb Flash ROM, UEFI AMI BIOS
 
Manageability:
WOL by PME, PXE
 
Accessories:
Cables
2 x SATA 6Gb/s cables
Miscellaneous
1 x ASUS Wi-Fi moving antennas
1 x I/O Shield
1 x M.2 Rubber package
1 x M.2 SSD screw package
1 x TUF Gaming sticker
Installation Media
1 x Support DVD
Documentation
1 x TUF Certification card
1 x User guide
 
Operating System:
Windows 10 64bit
Windows® 11 ready
Windows® 10 64-bit
 
Form Factor
microATX
24.4cm x 24.4cm