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 5400(O.C.) / 5300(O.C.) / 5200(O.C.) / 5100(O.C.) / 4800(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    

Onboard Graphics

Integrated Graphics Processor + Intel® Thunderbolt™ 3 Controller:           

2 x Intel® Thunderbolt™ 3 connectors (USB Type-C™ ports), supporting DisplayPort and Thunderbolt™ video outputs and a maximum resolution of 5120x2880@60 Hz with 24 bpp     

* Because of the limited I/O resources of the PC architecture, the   number of Thunderbolt™ devices that can be used is dependent on the number of the PCI Express devices being installed. (Refer to Chapter 1-6, "Back   Panel Connectors," for more information.)      

* Support for DisplayPort 1.4 version, HDCP 2.3, and HDR.            

Integrated in the 3rd Generation AMD Ryzen™ with Radeon™ Graphics processors:         

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® ALC1220-VB codec       

* The back panel line out jack supports DSD audio.           

Support for DTS:X® Ultra              

High Definition Audio    

2/4/5.1/7.1-channel       

Support for S/PDIF Out 

LAN

Intel® 2.5GbE LAN chip (2.5 Gbit/1000 Mbit/100 Mbit) (LAN1)    

Realtek® 2.5GbE LAN chip (2.5 Gbit/1000 Mbit/100 Mbit) (LAN2)              

Wireless Communication module

Intel® Wi-Fi 6 AX200       

WIFI a, b, g, n, ac with wave 2 features, ax, supporting 2.4/5 GHz Dual-Band         

BLUETOOTH 5   

Support for 11ax 160MHz wireless standard and up to 2.4 Gbps 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 (PCIEX8), integrated in the CPU:

3rd Generation AMD Ryzen™ processors support PCIe 4.0 x8 mode          

3rd Generation AMD Ryzen™ with Radeon™ Graphics processors support PCIe 3.0 x8 mode          

* The PCIEX8 slot shares bandwidth with the PCIEX16 slot. When the PCIEX8 slot is populated, the PCIEX16 slot operates at up to x8 mode.         

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

Supporting PCIe 3.0 x4 mode     

* The PCIEX4 slot shares bandwidth with the M2B_SB connector. The PCIEX4 slot becomes unavailable when a device is installed in the M2B_SB   connector.    

Multi-Graphics Technology

Support for AMD Quad-GPU CrossFire™ and 2-Way AMD CrossFire™ technologies            

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 2242/2260/2280/22110 SSDs:    

Supporting SATA and PCIe 3.0 x4/x2 SSDs             

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

Support for RAID 0, RAID 1, and RAID 10

USB

Integrated in the CPU:  

3 x USB 3.2 Gen 1 ports on the back panel            

1 x USB 3.2 Gen 2 Type-A port (red) on the back panel    

Chipset+Intel® Thunderbolt™ 3 Controller:          

2 x USB Type-C™ ports on the back panel, with USB 3.2 Gen 2 support    

Chipset:              

1 x USB Type-C™ port with USB 3.2 Gen 1 support, available through the internal USB header      

1 x USB 3.2 Gen 2 Type-A port (red) on the back panel    

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

1 x USB 2.0/1.1 port on the back panel  

Chipset+2 USB 2.0 Hubs:              

5 x USB 2.0/1.1 ports (1 port on the back panel, 4 ports available through the internal USB headers)         

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         

1 x water cooling CPU fan header            

4 x system fan headers 

2 x system fan/water cooling pump 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 SATA DOM power connector

1 x front panel header  

1 x front panel audio header      

1 x USB Type-C™ port, with USB 3.2 Gen 1 support           

1 x USB 3.2 Gen 1 header            

2 x USB 2.0/1.1 headers

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

2 x temperature sensor headers

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 DisplayPort In port   

1 x HDMI port   

2 x SMA antenna connectors (2T2R)        

2 x USB 3.2 Gen 2 Type-A ports (red)      

2 x Thunderbolt™ 3 connectors (USB Type-C™ port, with USB 3.2 Gen 2 support)

3 x USB 3.2 Gen 1 ports

2 x USB 2.0/1.1 ports     

2 x RJ-45 ports  

1 x optical S/PDIF Out connector              

5 x audio jacks  

I/O Controller

iTE® I/O Controller Chip

H/W Monitoring

Voltage detection           

Temperature detection

Fan speed detection      

Water cooling flow rate detection           

Overheating warning     

Fan fail warning

Fan speed control           

* Whether the fan (pump) speed control function is supported will depend on the fan (pump) 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 Centre

* Available applications in APP Centre 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)

cFosSpeed         

Operating System

Support for Windows 10 64-bit  

Form Factor

ATX Form Factor; 30.5cm 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.