Chipset

AMD B550     

Memory

4 x DDR4 DIMM sockets   supporting up to 128 GB (32 GB single DIMM capacity) of system memory        

Support for DDR4   4733(O.C.) / 4600(O.C.) / 4400(O.C.) / 4266(O.C.) / 4133(O.C.) / 4000(O.C.) /   3866(O.C.) / 3733(O.C.) / 3600(O.C.) / 3466(O.C) / 3400(O.C.) / 3200 / 2933 /   2667 / 2400 / 2133 MHz memory modules          

Dual channel memory   architecture

Support for ECC   Un-buffered DIMM 1Rx8/2Rx8 memory modules*      

* ECC memory (ECC mode)   support varies by CPU         

Support for non-ECC   Un-buffered DIMM 1Rx8/2Rx8/1Rx16 memory modules 

Support for Extreme   Memory Profile (XMP) memory modules   

(Please refer   "Memory Support List" for more information.)       

Onboard Graphics

Integrated Graphics   Processor:     

1 x DVI-D port,   supporting a maximum resolution of 1920x1200@60 Hz          

* The DVI-D port does   not support D-Sub connection by adapter.        

1 x HDMI port,   supporting a maximum resolution of 4096x2160@60 Hz          

* Support for HDMI 2.1   version, HDCP 2.3, and HDR.       

Maximum shared memory   of 16 GB

Audio

Realtek® Audio CODEC       

High Definition Audio          

2/4/5.1/7.1-channel  

* To configure   7.1-channel audio, you need to open the audio software and select Device   advanced settings > Playback Device to change the default setting first.   Please visit GIGABYTE's website for details on configuring the audio   software.      

LAN

Realtek® GbE LAN chip   (1000 Mbit/100 Mbit)      

Wireless Communication   module

Intel® Wi-Fi AC 3168 

WIFI 802.11a/b/g/n/ac,   supporting 2.4/5 GHz Dual-Band

BLUETOOTH 4.2       

Support for 11ac   wireless standard and up to 433 Mbps data rate        

* Actual data rate may   vary depending on environment and equipment.        

Expansion Slots

1 x PCI Express x16   slot (PCIEX16), integrated in the CPU:          

AMD Ryzen™ 5000 Series   and Ryzen™ 3000 Series Processors support PCIe 4.0 x16 mode 

AMD Ryzen™ Ryzen™ 5000   G-Series and Ryzen™ 4000 G-Series Processors support PCIe 3.0 x16 mode   

* For optimum performance,   if only one PCI Express graphics card is to be installed, be sure to install   it in the PCIEX16 slot.           

1 x PCI Express x16   slot (PCIEX4), integrated in the Chipset:      

Supporting PCIe 3.0 x4   mode        

1 x PCI Express x1 slot   (PCIEX1), integrated in the Chipset:         

Supporting PCIe 3.0 x1   mode         

Storage Interface

1 x M.2 connector   (M2A_CPU), integrated in the CPU, supporting Socket 3, M key, type   2242/2260/2280/22110 SSDs:        

AMD Ryzen™ 5000 Series   and Ryzen™ 3000 Series Processors support SATA and PCIe 4.0 x4/x2 SSDs         

AMD Ryzen™ Ryzen™ 5000   G-Series and Ryzen™ 4000 G-Series Processors support SATA and PCIe 3.0 x4/x2   SSDs      

1 x M.2 connector   (M2B_SB), integrated in the Chipset, supporting Socket 3, M key, type   2242/2260/2280 SSDs:       

Supporting SATA and   PCIe 3.0 x2 SSDs   

4 x SATA 6Gb/s   connectors, integrated in the Chipset: 

Support for RAID 0,   RAID 1, and RAID 10   

USB

CPU:  

4 x USB 3.2 Gen 1 ports   on the back panel

Chipset:        

2 x USB 3.2 Gen 1 ports   available through the internal USB header       

6 x USB 2.0/1.1 ports   (4 ports on the back panel, 2 ports available through the internal USB   header) 

Internal I/O Connectors

1 x 24-pin ATX main   power connector      

1 x 8-pin ATX 12V power   connector

1 x CPU fan header   

2 x system fan headers       

2 x addressable LED   strip headers 

2 x RGB LED strip   headers  

1 x CPU cooler LED   strip/RGB LED strip header    

2 x M.2 Socket 3   connectors          

4 x SATA 6Gb/s   connectors

1 x front panel header          

1 x front panel audio   header

1 x USB 3.2 Gen 1   header     

1 x USB 2.0/1.1 header         

1 x Trusted Platform   Module (TPM) header (2x6 pin, for the GC-TPM2.0_S module only)           

1 x serial port header

1 x Clear CMOS jumper       

1 x Q-Flash Plus button        

＊All fan headers are subject to support   AIO_Pump, Pump and high performance fan with the capability of delivering up   to 2A/12V @ 24W.    

Back Panel Connectors

1 x PS/2 keyboard/mouse   port       

1 x DVI-D port

2 x SMA antenna   connectors (1T1R)

1 x HDMI port

4 x USB 3.2 Gen 1 ports       

4 x USB 2.0/1.1 ports

1 x RJ-45 port

3 x audio jacks         

I/O Controller

iTE® I/O Controller   Chip      

H/W Monitoring

Voltage detection    

Temperature detection       

Fan speed detection

Overheating warning          

Fan fail warning       

Fan speed control    

* Whether the fan speed   control function is supported will depend on the cooler you install.

BIOS

1 x 256 Mbit flash     

Use of licensed AMI   UEFI BIOS       

PnP 1.0a, DMI 2.7, WfM   2.0, SM BIOS 2.7, ACPI 5.0          

Unique Features

Support for APP Center       

* Available   applications in APP Center may vary by motherboard model. Supported functions   of each application may also vary depending on motherboard specifications.           

@BIOS

EasyTune      

Fast Boot       

Game Boost  

ON/OFF Charge       

RGB Fusion   

Smart Backup           

System Information   Viewer

Support for Q-Flash   Plus     

Support for Q-Flash 

Support for Xpress   Install   

Bundled Software

Norton® Internet   Security (OEM version)  

Realtek® 8118 Gaming   LAN Bandwidth Control Utility     

Operating System

Support for Windows 10   64-bit      

Form Factor

Micro ATX Form Factor;   24.4cm x 24.4cm

Remark

Due to different Linux   support condition provided by chipset vendors, please download Linux driver   from chipset vendors' website or 3rd party website.         

Most hardware/software   vendors may no longer offer drivers to support Win9X/ME/2000/XP. If drivers   are available from the vendors, we will update them on the GIGABYTE website.