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ATX motherboard with black and silver heatsinks, RGB lighting zones, and pre-installed I/O shield

GIGABYTE

GIGABYTE B550 AORUS MASTER AMD motherboard

SKU CH-XSX0-ZP62B

An ATX AMD board with a 16-phase 70A VRM, triple M.2 slots with thermal guards, WIFI 6, 2.5 GbE LAN and 120 dB audio

  • ProcessorRyzen 5000 Series
  • CPU socketAM4
  • Stable power delivery from a 16-phase digital VRM with 70A power stages
  • Fast storage with triple PCIe 4.0 M.2 slots and thermal guards
  • Reliable connectivity via Intel WiFi 6 and 2.5 GbE LAN
  • Clear audio using ALC1220-VB with WIMA capacitors for 120dB SNR
  • Easy BIOS updates through Q-Flash Plus without installing CPU or memory

GIGABYTE B550 AORUS MASTER AM4 ATX Motherboard

This ATX motherboard uses the AMD B550 chipset and AM4 socket to support Ryzen 5000 series and 3rd Gen Ryzen processors. It delivers a direct 16-phase digital VRM with 70A power stages, advanced thermal design with fins-array heatsink and heatpipe, and triple M.2 slots with thermal guards. Connectivity includes Intel WiFi 6, 2.5GbE LAN, USB 3.2 Gen2 Type-C, and HDMI.

Who This Suits and Who Should Look Elsewhere

Builders wanting a feature-rich AM4 platform with strong VRM cooling, three PCIe 4.0 M.2 slots, integrated WiFi 6, 2.5GbE LAN, and high-end audio will find it well equipped. Buyers needing newer socket platforms, more than four DDR4 DIMM slots, or additional PCIe x16 slots for multi-GPU configurations should consider other options.

Deciding Specification: Triple PCIe 4.0 M.2 Slots

Three M.2 sockets wired for PCIe 4.0 x4 NVMe drives, each covered by a thermal guard, set the storage ceiling for this board. If your build requires three high-speed NVMe drives with onboard cooling, this specification fits; if you need fewer M.2 slots or only PCIe 3.0 speeds, a simpler board may suffice.

How it compares

Measured against everything we stock in Motherboards for AMD CPUs, at today’s prices. Recalculated every night.

Price $243.99
Typical for this category: the median of 1,906 items is $224.49.

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Specifications

Processor
ProcessorRyzen 5000 Series
CPU socketAM4

Questions about this item

What limits the VRM under sustained heavy loads?

The 16-phase digital VRM uses 70A power stages, so thermal capacity of the heatsink array and heatpipe becomes the first bottleneck during prolonged all-core workloads.

How loud and hot does the board get when running all day?

Smart Fan 5 reads multiple sensors and drives hybrid headers with fan-stop; the fins-array heatsink, direct-touch heatpipe and thermal baseplate keep VRM and M.2 temperatures in check, so noise stays low under typical 24/7 loads.

What must I already own for this motherboard to work?

An AM4-socket Ryzen 5000-series or 3rd-gen Ryzen processor, DDR4 memory modules, and an ATX power supply with 24-pin and 8-pin CPU connectors are required to boot.

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