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Micro ATX motherboard with black PCB, silver heatsinks and rear I/O shield

GIGABYTE

GIGABYTE GA-AB350M-Gaming 3 rev. 1.0 AMD motherboard

SKU CH-71KB-EHQ3D

Micro-ATX board with AM4 socket, B350 chipset, four DDR4 slots up to 64 GB, one PCIe 3.0 x16 slot, four SATA 6 Gb/s ports, two eSATA 6 Gb/s ports, four USB 3.0 ports, HDMI output.

  • CPU socketAM4
  • ChipsetB350
  • Form factorMicro ATX
  • Memory slot count4 × 288pin (DDR4)
  • Supported memoryDDR4
  • Max supported RAM64 GB
  • Supports AMD Ryzen processors via AM4 socket
  • Four DDR4 slots allow up to 64GB dual-channel memory
  • PCI Express 3.0 x16 slot for graphics cards
  • Four SATA 6Gb/s and two eSATA 6Gb/s ports for storage
  • Realtek ALC887 7.1-channel audio with HDMI output

Socket AM4 B350 foundation

The GIGABYTE GA-AB350M-Gaming 3 rev. 1.0 is a Micro ATX board built around the AMD B350 chipset for Socket AM4 processors. It targets builders who want a compact platform for Ryzen 1st & 2nd Generation, Ryzen 2000 Series and 7th Generation A-series or Athlon CPUs without paying for a full-size ATX layout.

Upgrade from older AM4 or A320 boards

Moving to this board adds dual-channel DDR4 support up to 64 GB with overclocked speeds of 3200, 2933 and 2667 MHz, plus a single PCI Express 3.0 x16 slot and four SATA 6 Gb/s ports. The jump is worthwhile when you need faster memory headroom, more DIMM slots or the extra eSATA 6 Gb/s connectors that the basic A320 designs often omit.

Micro ATX build integration

The board fits Micro ATX and larger cases and supplies one HDMI output, four USB 3.0 ports and two eSATA ports for external drives. Onboard 7.1-channel ALC887 audio and dual LAN at 1 Gbps plus 100 Mbps free up expansion slots that would otherwise be occupied by separate sound or network cards.

How it compares

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

Price $70.99
Cheaper than about 85% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameGIGABYTE
Model nameGA-AB350M-Gaming 3
Processor
CPU socketAM4
ChipsetB350
Memory
Memory slot count4 × 288pin (DDR4)
Supported memoryDDR4
Max supported RAM64 GB
Memory channelsDual Channel
Storage
SATA ports4 x SATA 6Gb/s
Audio & video
Audio chipALC887
Sound channels7.1 Channels
Connectivity
Maximum network speed1 Gbit/s + 100 Mbit/s
Ports & slots
PCIe 3.0 x16 slots1 x PCI Express 3.0 x16
HDMI ports1 x HDMI
USB 3.0 ports4 x USB 3.0
Size & build
Form factorMicro ATX
More details
ESATA2 x eSATA 6Gb/s

Questions about this item

What are the exact dimensions and mounting-hole pattern of this Micro ATX board?

The board follows the standard Micro ATX form factor with mounting holes that align to Micro ATX standoffs in any compatible case.

How is the CPU installed in the AM4 socket, and which step is most often missed?

Lift the retention arm, align the gold triangle on the processor with the socket marker, place the chip gently without force, then lower and lock the arm; the step most often missed is removing the plastic socket cover before seating the CPU.

Which memory modules should I keep as spares for future upgrades on this DDR4 board?

Keep DDR4 288-pin DIMMs rated for 2133, 2400, 2667, 2933 or 3200 MHz; the board supports up to 64 GB across four slots in dual-channel mode.

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