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® 11 ready       

Windows® 10 64-bit       

Form Factor

microATX            

24.4cm x 24.4cm