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ATX motherboard in black with silver heatsinks and four DDR4 slots

GIGABYTE

GIGABYTE B450 AORUS PRO AMD motherboard

SKU CH-X9QN-4E9VF

ATX board for AM4 Ryzen CPUs with four DDR4 slots up to 64 GB, two M.2 sockets, six SATA ports and 7.1 audio

  • ProcessorRyzen Series
  • ChipsetAMD B450
  • Form factorATX
  • CPU socketAM4
  • Memory slot count4 × 288pin (DDR4)
  • Supported memoryDDR4 3200
  • Supports up to 64GB DDR4 memory for demanding workloads
  • Dual-channel DDR4 at 3200MHz delivers responsive system performance
  • AMD B450 chipset enables Ryzen processor compatibility
  • Six SATA 6Gb/s ports provide ample storage connectivity
  • 1-channel audio output creates immersive sound experience

Socket AM4 ATX platform

The GIGABYTE B450 AORUS PRO is an ATX motherboard built around the AMD B450 chipset for Socket AM4 Ryzen processors. It provides four 288-pin DDR4 slots supporting memory speeds up to 3200 MHz and a maximum capacity of 64 GB. The board delivers a single PCI Express 3.0 x16 slot alongside two PCI Express 2.0 x16 slots and one x1 slot for expansion.

Builders needing one full-speed GPU slot

This board suits builders who need a single graphics card running at PCI Express 3.0 x16 speeds plus additional cards at x16 electrical x4 or x1 speeds. It also provides six SATA 6Gb/s ports and two M.2 sockets for storage. Users who require multiple full-speed x16 links should look at a different chipset.

One PCI Express 3.0 x16 slot

The decisive specification is the single PCI Express 3.0 x16 slot, which sets the limit for high-bandwidth add-in cards. If the build calls for only one such device, this motherboard matches the requirement; if it calls for more, a different platform is needed.

How it compares

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

Price $105.99
Cheaper than about 74% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameGIGABYTE
Product lineAORUS
Processor
ProcessorRyzen Series
CPU socketAM4
ChipsetAMD B450
Memory
Memory slot count4 × 288pin (DDR4)
Supported memoryDDR4 3200
Max supported RAM64 GB
Storage
SATA ports6 x SATA 6Gb/s
M.2 slots2 x M.2
Audio & video
Sound channels7.1 Channels
Connectivity
Maximum network speed1 Gbit/s
Ports & slots
PCIe 3.0 x16 slots1 x PCI Express 3.0 x16
PCIe x1 slots1 x PCI Express x1
Rear panel ports1 x HDMI / 4 x USB 2.0/1.1
HDMI ports1 x HDMI
USB 3.1 ports6 x USB 3.1
USB 2.0 ports4 x USB 2.0
Size & build
Form factorATX
More details
PCI express 2.0 x162 x PCI Express 2.0 x16

Questions about this item

How can I confirm the board is running DDR4 at 3200 MHz after setup?

Enter the BIOS or use a hardware monitor in Windows and verify the memory frequency reads 3200 MHz for the installed DDR4 modules.

What comes in the box and which essential parts must I purchase separately?

The motherboard includes the ATX board, I/O shield, SATA cables and manual; you must buy a Ryzen AM4 CPU, DDR4 DIMMs, storage drives and an ATX power supply separately.

Which memory capacity should I choose for the four DDR4 slots?

Populate the four slots with matching DDR4 modules up to 16 GB each to reach the 64 GB maximum; 8 GB sticks give 32 GB total, 16 GB sticks give 64 GB total.

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