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Black ATX motherboard with carbon-fibre pattern heatsinks and red accents

MSI

MSI B450 GAMING PRO CARBON AC AMD motherboard

SKU CH-QTFA-80EVF

Supports first and second generation Ryzen CPUs with up to 128GB DDR4 memory and 7.1-channel audio

  • ProcessorFirst and second generation AMD Ryzen processors with AM4 pi
  • ChipsetAMD B450
  • CPU socketSocket AM4
  • Supported memorySupport dual-channel DDR4 1866/2133/2400/2667/2800/2933/3000
  • Max supported RAM128 GB
  • PCI slots1 PCIe 3.0 x16 slot (PCI_E1) First and second generation AMD
  • Supports first and second generation Ryzen processors with Socket AM4
  • 128GB maximum DDR4 memory across dual-channel slots
  • Realtek ALC1220 audio chipset delivers 7.1-channel sound
  • Intel I211AT Gigabit LAN provides wired network connectivity
  • USB 3.1 Gen2 Type-C and Type-A ports on rear I/O panel

B450 Chipset ATX Board

The MSI B450 GAMING PRO CARBON AC is an AMD B450 motherboard built for Socket AM4 processors. It supports first and second generation Ryzen CPUs with integrated RadeonVega graphics. Four DDR4 slots accept up to 128 GB of system memory across a wide range of speeds. The ATX form factor measures 23.6 by 20.0 cm.

Sustained Load Behaviour

The board provides one PCIe 3.0 x16 slot running at x16 with Ryzen CPUs and x8 with APUs. A second PCIe 2.0 x16 slot operates at x4 and three PCIe 2.0 x1 slots add further expansion. Six SATA III ports and two M.2 interfaces handle storage throughput without bottlenecking the chipset lanes. The Intel I211AT Gigabit LAN controller maintains steady network traffic under continuous use.

Thermals Noise Power

The Realtek ALC1220 audio codec delivers 7.1 channel output with S/PDIF for clean sound during long sessions. Rear I/O includes one USB 3.1 Gen2 Type-C and one Type-A port at 10 Gbps plus additional USB 3.1 Gen1 connections. No wireless or Bluetooth hardware is present on this model. The CPU socket draws power through standard ATX and EPS connectors.

How it compares

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

Price $93.99
Cheaper than about 78% of the 1,906 comparable items (median $224.49).

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Specifications

Product
Brand nameMSI
Product lineMSI B450 GAMING PRO CARBON AC
Model nameMSI B450 GAMING PRO CARBON AC
Processor
ProcessorFirst and second generation AMD Ryzen processors with AM4 pins and RadeonVega graphics
CPU socketSocket AM4
ChipsetAMD B450
Memory
Supported memorySupport dual-channel DDR4 1866/2133/2400/2667/2800/2933/3000/3066/3200/3466 MHz memory
Max supported RAM128 GB
Storage
SATA and RAID support2XM.2 interface, 6xSATA III interface
Audio & video
Audio chipRealtek ALC1220 decoding chip
7.1-Channel high-quality sound effects
Supports S/PDIF output
Connectivity
Ethernet controller1 Intel I211AT Gigabit network interface card
Ports & slots
PCI slots1 PCIe 3.0 x16 slot (PCI_E1)
First and second generation AMD Ryzen processors support x16 speed
Ryzen processors with RadeonVega graphics support x8 speeds
1 PCIe 2.0 x16 slot (PCI_E4, supports x4 mode)
3 PCIe 2.0 x1 slots
PCI_E2, PCI_E3, PCI_E4 and PCI_E5 slots will be unavailable when installing M.2 PCIe SSD in M2_2 slot.
PCI_E4 will run x1 speed when installing devices in any PCIe 2.0 × 1 slot

Questions about this item

How much power does the MSI B450 GAMING PRO CARBON AC draw when running all day?

The board uses the AMD B450 chipset and includes an Intel I211AT Gigabit LAN controller, a Realtek ALC1220 audio codec and onboard USB 3.1 Gen2 Type-C and Type-A ports, all powered through the 24-pin ATX and 8-pin CPU connectors.

What memory must I already own to use this motherboard?

You need dual-channel DDR4 modules rated from 1866 up to 3466 MHz; the board supports a maximum of 128 GB across four slots.

Can I keep my existing SATA drives and expansion cards with this board?

Yes, it provides six SATA III ports, one PCIe 3.0 x16 slot, one PCIe 2.0 x16 slot running at x4 mode and three PCIe 2.0 x1 slots for older add-in cards.

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