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GIGABYTE B550 UD AC ATX Motherboard, AMD B550 Chipset

VENDOR: GIGABYTE Mfg Part#: B550 UD AC UPC#: 889523035313
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$119.99
$119.99
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  • Supports AMD Ryzen 5000/4000/3000 Series and G-Series processors
  • AMD B550 chipset with ATX form factor (30.5 cm x 24.4 cm)
  • Socket AM4 interface and 1 x PCIe x16 expansion slot
  • Up to 128GB DDR4 Dual Channel ECC/Non-ECC unbuffered memory
  • Connectivity includes HDMI, USB ports, RJ-45 Ethernet, and SMA antenna connectors
  • Built-in audio jacks and integrated video output capabilities

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Key Benefits

Eye-Insights
  • Wide processor compatibility across multiple Ryzen generations ensures long-term upgradeability
  • Supports up to 128GB high-speed DDR4 memory with ECC/Non-ECC options for versatility in professional or personal builds
  • Integrated HDMI, PCIe x16 slot, and extensive I/O give it outstanding value for gaming or media builds

Product Overview

The GIGABYTE B550 UD AC is a high-performance ATX motherboard engineered for advanced AMD desktop computing. Built on the AMD B550 chipset, it supports a wide array of AMD Ryzen processors through the Socket AM4 interface. It accommodates up to 128GB of Dual Channel DDR4 memory, including both ECC and non-ECC options, for exceptional performance and reliability.

With connectivity essentials such as a PCIe x16 slot, HDMI video interface, multiple USB ports, RJ-45 Ethernet, and SMA antenna connectors, this board is well-equipped for diverse applications. Its ATX form factor (30.5 cm x 24.4 cm) ensures seamless integration into standard PC cases, making it an optimal choice for gaming and professional builds alike.

Specifications

Product Overview
Model B550 UD AC
Manufacturer GIGABYTE
Chipset AMD B550
Form Factor ATX
CPU Socket Type AM4
Supported CPU Series AMD Ryzen 5000, 5000G, 4000G, 3000, and 3000G Series
Maximum Supported Memory 128 GB
Memory Technology Dual Channel DDR4
Memory Types Supported ECC and Non-ECC Unbuffered DIMM
Number of Memory Slots 4 x DIMM
Power Requirements 24-pin ATX main power connector, 8-pin ATX 12V power connector
UPC 889523035313

Wireless Features
Wireless Standard Wi-Fi 5 (802.11ac)
Bluetooth Version Bluetooth 4.2
Antenna Connectors 2 x SMA connectors (for Wi-Fi/Bluetooth antenna)

Compliance & Origin
Country of Origin China
Compliance Standards RoHS, CE, FCC
Certifications ErP Ready, Energy Star

Advanced Security Features
Trusted Platform Module (TPM) TPM header onboard (for discrete TPM module)
Secure Boot Yes
Platform Trust Technology (PTT) Yes

Interfaces
Expansion Slots 1 x PCIe 4.0 x16, 2 x PCIe 3.0 x1, 1 x PCIe 3.0 x16 (x4 mode)
M.2 Slots 2 x M.2 connectors (1 with PCIe 4.0 x4, 1 with PCIe 3.0 x2 & SATA support)
SATA Ports 4 x SATA 6Gb/s connectors
USB Ports (Rear) 1 x USB 3.2 Gen 2 Type-C, 1 x USB 3.2 Gen 2 Type-A, 4 x USB 3.2 Gen 1, 4 x USB 2.0
USB Ports (Internal Headers) 2 x USB 3.2 Gen 1 headers, 2 x USB 2.0 headers
LAN Port 1 x RJ-45 (Realtek GbE LAN)
Audio Jacks 3 x Audio jacks (Mic-in, Line-out, Line-in)
Video Output 1 x HDMI 2.1 port (max resolution 4096x2160@60Hz)

Physical & Environmental
Width 30.5 cm
Depth 24.4 cm
Motherboard Dimensions 12.0" x 9.6"
Operating Temperature 0°C to 80°C
Storage Temperature -40°C to 85°C
Humidity (Operating) 10% to 90% non-condensing

Cloud Management & Licensing
BIOS Management UEFI AMI BIOS
BIOS Features Q-Flash Plus, Secure Boot, Platform Trust Technology (PTT)
Firmware Update Method USB BIOS Flashback (Q-Flash Plus)
Cloud Management
Software Utilities GIGABYTE APP Center, EasyTune, @BIOS