The Story
Gigabyte B550 UD AC Overview
Get your gaming build off on the right foot with the B550 UD AC ATX AM4 Motherboard from GIGABYTE. Sporting multiple inputs and a wide range of headers with a flexible and expansive design, you can focus on building a solid foundation for your next rig.
The UD AC is built on AMD's B550 chipset, giving you access to an AM4 CPU socket for AMD 3000, 4000, and 5000 series processors. Four dual-channel DIMM slots allow you to easily install up to 128GB of DDR4 memory for faster multitasking capabilities. Take advantage of enhanced storage capabilities with four SATA III ports and two M.2 PCIe connectors. Additionally, install various graphics and utility cards with one PCIe 4.0 x16 and four PCIe 3.0 x16 (x1) slots. Between internal headers and the back panel of the UD AC, you get an array of USB 3.2 Gen 1, Gen 2, and 2.0 ports for your peripherals. Bluetooth 5.0 technology allows you to use various wireless peripherals such as headphones and mice for a true cable-free experience. Additionally, a 1 Gigabit LAN port allows you to experience enhanced network bandwidth, essential for competitive online gaming, while Wi-Fi 5 is available if you prefer to connect to your wireless network.
Items Included
- Gigabyte B550 UD AC ATX AM4 Motherboard
- Limited 3-Year Manufacturer Warranty
Additional Resources
Gigabyte B550 UD AC Specs
| Chipset |
AMD B550
|
| CPU Socket |
AM4
|
| Memory Slots |
4x 288-Pin
|
| Memory Support |
DDR4 2133, 2400, 2667, 2933, 3200, 3400, 3466, 3600, 3733, 3866, 4000, 4133, 4266, 4400, 4600, 4733 MT/s
|
| Storage Slots |
1x M.2 (M Key) 2242, 2260, 2280, 22110 (PCIe 4.0 x4, SATA III)
1x M.2 (M Key) 2242, 2260, 2280, 22110 (PCIe 3.0 x4, PCIe 3.0 x2) |
| Expansion Slots |
1x PCIe 4.0 x16
4x PCIe 3.0 x1 |
| Wi-Fi |
Wi-Fi 5 (802.11ac); Dual-Band (2.4 & 5 GHz) with MU-MIMO Support (2 x 2)
|
| Form Factor |
ATX
|
| Chipset |
AMD B550
|
| CPU Socket |
AM4
|
| USB |
4x USB-A (USB 2.0)
1x USB-A (USB 3.1/3.2 Gen 2) 2x USB-A (USB 3.0 / 3.1/3.2 Gen 1) 1x USB-C (USB 3.0 / 3.1/3.2 Gen 1) |
| Thunderbolt |
No
|
| Display |
1x HDMI
|
| Audio |
3x 1/8" / 3.5 mm
|
| Ethernet / Controller |
1x Realtek Gigabit
|
| Wi-Fi Antenna |
2x Connector
|
| Buttons |
BIOS Flashback
|
| Memory Slots |
4x 288-Pin
|
| Memory Support |
DDR4 2133, 2400, 2667, 2933, 3200, 3400, 3466, 3600, 3733, 3866, 4000, 4133, 4266, 4400, 4600, 4733 MT/s
|
| Maximum Capacity |
128 GB
|
| Channel Architecture |
Dual Channel
|
| ECC Support |
Non-ECC Unbuffered
|
| SATA |
4x SATA III
|
| Storage Slots |
1x M.2 (M Key) 2242, 2260, 2280, 22110 (PCIe 4.0 x4, SATA III)
1x M.2 (M Key) 2242, 2260, 2280, 22110 (PCIe 3.0 x4, PCIe 3.0 x2) |
| Optane Memory Support |
No
|
| RAID Support |
RAID 0, 1, 10 (SATA)
|
| Expansion Slots |
1x PCIe 4.0 x16
4x PCIe 3.0 x1 |
| USB |
1x USB 3.0 / 3.1/3.2 Gen 1 Header (Supports 1 USB-C Port)
1x USB 3.0 / 3.1/3.2 Gen 1 Header (Supports 2 USB-A Port) 2x USB 2.0 Header (Supports 4 USB-A Port) |
| Air Cooling |
1x 4-Pin CPU
3x 4-Pin System |
| Liquid Cooling |
1x 4-Pin Pump
|
| Power Connectors |
1x 24-Pin Mainboard
1x 8-Pin CPU |
| Security |
TPM Module
|
| LED Header |
5x RGB
|
| Diagnostics |
Clear CMOS
|
| ROM |
128 Mb
|
| Front Panel I/O |
AAFP
|
| Audio Codec |
Realtek (7.1-Channel)
|
| DAC |
No
|
| Wi-Fi |
Wi-Fi 5 (802.11ac); Dual-Band (2.4 & 5 GHz) with MU-MIMO Support (2 x 2)
|
| Bluetooth |
5.0
|
| OS Compatibility |
Windows 10 to 11
|
| Form Factor |
ATX
|
| Dimensions |
9.6 x 12.0" / 24.4 x 30.5Â cm
|
| Package Weight |
2.815 lb
|
| Box Dimensions (LxWxH) |
13.8 x 10.7 x 3.2"
|
All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Details & Craftsmanship
Every detail has been carefully considered to bring you the perfect product.
Description
Gigabyte B550 UD AC Overview
Get your gaming build off on the right foot with the B550 UD AC ATX AM4 Motherboard from GIGABYTE. Sporting multiple inputs and a wide range of headers with a flexible and expansive design, you can focus on building a solid foundation for your next rig.
The UD AC is built on AMD's B550 chipset, giving you access to an AM4 CPU socket for AMD 3000, 4000, and 5000 series processors. Four dual-channel DIMM slots allow you to easily install up to 128GB of DDR4 memory for faster multitasking capabilities. Take advantage of enhanced storage capabilities with four SATA III ports and two M.2 PCIe connectors. Additionally, install various graphics and utility cards with one PCIe 4.0 x16 and four PCIe 3.0 x16 (x1) slots. Between internal headers and the back panel of the UD AC, you get an array of USB 3.2 Gen 1, Gen 2, and 2.0 ports for your peripherals. Bluetooth 5.0 technology allows you to use various wireless peripherals such as headphones and mice for a true cable-free experience. Additionally, a 1 Gigabit LAN port allows you to experience enhanced network bandwidth, essential for competitive online gaming, while Wi-Fi 5 is available if you prefer to connect to your wireless network.
Items Included
- Gigabyte B550 UD AC ATX AM4 Motherboard
- Limited 3-Year Manufacturer Warranty
Additional Resources
Gigabyte B550 UD AC Specs
| Chipset |
AMD B550
|
| CPU Socket |
AM4
|
| Memory Slots |
4x 288-Pin
|
| Memory Support |
DDR4 2133, 2400, 2667, 2933, 3200, 3400, 3466, 3600, 3733, 3866, 4000, 4133, 4266, 4400, 4600, 4733 MT/s
|
| Storage Slots |
1x M.2 (M Key) 2242, 2260, 2280, 22110 (PCIe 4.0 x4, SATA III)
1x M.2 (M Key) 2242, 2260, 2280, 22110 (PCIe 3.0 x4, PCIe 3.0 x2) |
| Expansion Slots |
1x PCIe 4.0 x16
4x PCIe 3.0 x1 |
| Wi-Fi |
Wi-Fi 5 (802.11ac); Dual-Band (2.4 & 5 GHz) with MU-MIMO Support (2 x 2)
|
| Form Factor |
ATX
|
| Chipset |
AMD B550
|
| CPU Socket |
AM4
|
| USB |
4x USB-A (USB 2.0)
1x USB-A (USB 3.1/3.2 Gen 2) 2x USB-A (USB 3.0 / 3.1/3.2 Gen 1) 1x USB-C (USB 3.0 / 3.1/3.2 Gen 1) |
| Thunderbolt |
No
|
| Display |
1x HDMI
|
| Audio |
3x 1/8" / 3.5 mm
|
| Ethernet / Controller |
1x Realtek Gigabit
|
| Wi-Fi Antenna |
2x Connector
|
| Buttons |
BIOS Flashback
|
| Memory Slots |
4x 288-Pin
|
| Memory Support |
DDR4 2133, 2400, 2667, 2933, 3200, 3400, 3466, 3600, 3733, 3866, 4000, 4133, 4266, 4400, 4600, 4733 MT/s
|
| Maximum Capacity |
128 GB
|
| Channel Architecture |
Dual Channel
|
| ECC Support |
Non-ECC Unbuffered
|
| SATA |
4x SATA III
|
| Storage Slots |
1x M.2 (M Key) 2242, 2260, 2280, 22110 (PCIe 4.0 x4, SATA III)
1x M.2 (M Key) 2242, 2260, 2280, 22110 (PCIe 3.0 x4, PCIe 3.0 x2) |
| Optane Memory Support |
No
|
| RAID Support |
RAID 0, 1, 10 (SATA)
|
| Expansion Slots |
1x PCIe 4.0 x16
4x PCIe 3.0 x1 |
| USB |
1x USB 3.0 / 3.1/3.2 Gen 1 Header (Supports 1 USB-C Port)
1x USB 3.0 / 3.1/3.2 Gen 1 Header (Supports 2 USB-A Port) 2x USB 2.0 Header (Supports 4 USB-A Port) |
| Air Cooling |
1x 4-Pin CPU
3x 4-Pin System |
| Liquid Cooling |
1x 4-Pin Pump
|
| Power Connectors |
1x 24-Pin Mainboard
1x 8-Pin CPU |
| Security |
TPM Module
|
| LED Header |
5x RGB
|
| Diagnostics |
Clear CMOS
|
| ROM |
128 Mb
|
| Front Panel I/O |
AAFP
|
| Audio Codec |
Realtek (7.1-Channel)
|
| DAC |
No
|
| Wi-Fi |
Wi-Fi 5 (802.11ac); Dual-Band (2.4 & 5 GHz) with MU-MIMO Support (2 x 2)
|
| Bluetooth |
5.0
|
| OS Compatibility |
Windows 10 to 11
|
| Form Factor |
ATX
|
| Dimensions |
9.6 x 12.0" / 24.4 x 30.5Â cm
|
| Package Weight |
2.815 lb
|
| Box Dimensions (LxWxH) |
13.8 x 10.7 x 3.2"
|
All product and company names are trademarks™ or registered® trademarks of their respective holders. Use of them does not imply any affiliation with or endorsement by them.
