Motherboards

Gigabyte B550 UD AC Gaming Motherboard with 10+3 Phases Digital Twin Power Design, PCIe 4.0 x16 Slot, Dual PCIe 4.0/3.0 x4 M.2, GbE LAN with Bandwidth Management, Front USB Type-C®, RGB FUSION 2.0, Q-Flash Plus

12,390.00

Out of Stock

The Gigabyte B550 UD AC Gaming Motherboard is a reliable ATX motherboard built on the AMD B550 chipset, designed for Ryzen AM4 processors. Gigabyte B550 UD AC Gaming Motherboard supports PCIe 4.0 graphics, dual M.2 NVMe storage, and up to 128GB DDR4 memory for strong gaming and multitasking performance. With integrated dual-band Wi-Fi, Bluetooth, Gigabit LAN, Smart Fan cooling, and Q-Flash Plus BIOS update, it delivers stable power, modern connectivity, and flexibility for gaming and productivity builds.
Specification Detail
Chipset AMD B550
CPU Socket AM4 (Ryzen support)
Memory 4 × DDR4 DIMMs, up to 128 GB
PCIe Slot PCIe 4.0 x16
M.2 Storage 2 × M.2 (PCIe 4.0/3.0 & SATA)
LAN Realtek Gigabit Ethernet
Wi-Fi & Bluetooth 802.11ac Dual-Band Wi-Fi + Bluetooth
USB USB 3.2 Gen1/Gen2 + USB Type-C
About the item:
  • Broad Ryzen Compatibility — Supports AMD Ryzen™ 5000, 4000 G, and 3000 series processors, offering flexibility for performance and upgrade paths.

  • Dual Storage Options — Gigabyte B550 UD AC Gaming Motherboard includes two M.2 slots with PCIe 4.0 and PCIe 3.0/SATA support for high-speed NVMe SSDs and legacy storage.

  • Advanced Connectivity — Built-in dual-band 802.11ac Wi-Fi and Bluetooth combined with gigabit ethernet delivers smooth networking for gaming and streaming.

  • Robust Power & Cooling — 10+3 phase digital power design and Smart Fan 5 support ensure stable performance under load.

  • Quality I/O & Expandability — Rear Type-C USB, HDMI output, multiple USB ports, and RGB headers make it ideal for gaming builds with versatile peripherals.

Description

About Gigabyte B550 UD AC Gaming Motherboard

Category Specification Detail
Motherboard Model Gigabyte B550 UD AC (Rev. 1.2)
Form Factor ATX (30.5 × 24.4 cm)
Chipset AMD B550
CPU Support AMD Ryzen™ 5000/5000 G/4000 G/3000/3000 G Series
Memory Type DDR4 Dual Channel
Max Memory Up to 128 GB
Memory Speed Support OC up to DDR4 4733 MHz
PCIe Slots 1 × PCIe 4.0 x16
M.2 Connectors 2 × M.2 PCIe & SATA support
SATA Ports 4 × SATA 6 Gb/s
Networking Realtek GbE LAN, Wi-Fi 802.11ac Dual-Band, Bluetooth
USB Ports USB 3.2 Gen2, USB 3.2 Gen1, USB 2.0, USB Type-C
Internal Headers Fan, RGB, USB, Clear CMOS, TPM
Display Output HDMI (via APU)
Audio High Definition Audio (Realtek Codec)
Cooling System Smart Fan 5 with hybrid fan headers
Special Features Q-Flash Plus BIOS update, RGB Fusion 2.0

Key feature about the Gigabyte B550 UD AC Gaming Motherboard

  • Comprehensive CPU Support — The Gigabyte B550 UD AC Gaming Motherboard supports a wide range of AMD Ryzen™ AM4 processors including 5000, 5000 G, 4000 G, and 3000 series, giving builders flexibility for high-performance or cost-effective CPUs.

  • Advanced AMD B550 Chipset — The AMD B550 chipset enables PCIe 4.0 bandwidth for graphics and storage, boosting data transfer speeds and gaming performance compared to legacy chipsets.

  • Large Memory Capacity — With support for up to 128 GB of dual-channel DDR4 memory across four DIMM slots, this board accommodates heavy multitasking and memory-intensive applications.

  • Memory Overclocking Support — The Gigabyte Ultra Durable Desktop Motherboard supports high-speed memory overclocking up to DDR4-4733 MHz (OC), enhancing responsiveness in demanding tasks like video editing and gaming.

  • Dual M.2 Slots for Storage — Dual M.2 connectors in the Gigabyte B550 UD AC Gaming Motherboard offer both PCIe 4.0 and PCIe 3.0/SATA support, enabling simultaneous high-speed NVMe SSDs for faster boot times and large capacity storage arrays.

  • High-Speed PCIe 4.0 Graphics Support — The PCIe 4.0 x16 slot ensures maximum bandwidth for modern GPUs, delivering smooth frame rates and reducing bottlenecks.

  • Stable Digital Power Design — A 10+3 phase pure digital power system with low RDS(on) MOSFETs delivers clean power for stable overclocking and heavy CPU workloads.

  • Smart Fan 5 Cooling System — Multiple hybrid fan headers and temperature sensors enable precise control of cooling performance, maintaining optimized thermals under load.

  • Dual-Band Wi-Fi & Bluetooth — Integrated Intel-class 802.11ac Wi-Fi and Bluetooth support offer reliable wireless connectivity for online gaming and peripheral devices without adapters.

  • Gigabit Ethernet LAN — Realtek gigabit LAN with bandwidth management provides stable wired network performance, reducing lag and optimizing packet flow during network-heavy use.

  • Wide USB Connectivity — Multiple USB 3.2 Gen1, Gen2, and USB Type-C ports on the rear I/O and internal headers give flexibility for fast data access and peripheral support.

  • HDMI Video Output — The HDMI support via compatible Ryzen GG-series processors in the Gigabyte DS3H Gaming Desktop Motherboard allows integrated graphics to output 4K at 60 Hz, suitable for multimedia and casual gaming.

  • High-Definition Audio — Realtek audio codec with high-quality capacitors and audio noise guard enhances sound fidelity for immersive gaming and media consumption.

  • RGB Fusion 2.0 Support — Onboard RGB headers and software control let users customize system lighting aesthetics to match build themes.

  • Q-Flash Plus BIOS Update — Dedicated BIOS flash button lets users update the BIOS without installing CPU, memory, or GPU, simplifying compatibility updates and system setup.

  • Dual SATA 6Gb/s Support — Four SATA ports support RAID configurations and legacy drives, enabling flexible combinations of performance and storage capacity.

  • Extensive I/O Headers — Internal headers for USB, RGB, fans, and TPM modules support expanded capabilities for future upgrades and system customization.

  • ECC & Non-ECC Memory Support — The ability to support both ECC and non-ECC unbuffered memory in the Gigabyte DS3H AMD Series Motherboard enhances system reliability, especially for workstation or productivity builds.

  • Enhanced Build Quality — Ultra-Durable Gigabyte construction with sulphur-resistant components increases long-term reliability under thermal and electrical stress.

  • Ideal for Mid-Range Gaming Builds — Combining strong CPU support, PCIe 4.0, fast storage interfaces, and robust networking, this board is well-suited for gaming rigs and performance-oriented PCs.

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