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Gigabyte B550M DS3H AC AM4 mATX Motherboard - OPENED BOX 75442 (GA-B550M-DS3H-AC-75442)

Gigabyte B550M DS3H AC AM4 mATX Motherboard - OPENED BOX 75442 (GA-B550M-DS3H-AC-75442)
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  • Product Name:
    Gigabyte B550M DS3H AC AM4 mATX Motherboard - OPENED BOX 75442 (GA-B550M-DS3H-AC-75442)
  • Model Number:
  • Brand:
  • Manufacturer Warranty:
    1 Year


Icon  Product condition:  OPENED BOX
This item is in excellent, new or like-new condition with no or minimal wear, Depending on the manufacturer or supplier, this item is either covered by original manufacturer’s warranty or three months standard warranty provided by Biz1. This item may be missing the original packaging or protective wrapping, or may be in the original packaging but not sealed, but we guarantee the item is well-packed with sufficient protection during order collection or delivery. This item may be missing original or minor accessories but we will provide necessary components to make sure the major element(s) is/are fully functional.




AMD Socket AM4, support for: AMD   Ryzen™ 5000 Series/ Ryzen™ 5000 G-Series/ Ryzen™ 4000 G-Series and Ryzen™   3000 Series Processors    

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


AMD B550     


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


Realtek® Audio CODEC       

High Definition Audio          


* 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.      


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   



4 x USB 3.2 Gen 1 ports   on the back panel


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.


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.           



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


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.       


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