MSI B840M-B PRO Motherboard
Best compact foundation for modern, high-performance AMD desktop builds.
This board is the perfect anchor for a compact, high-performance workstation that doesn't waste space. You sacrifice extra expansion slots for a streamlined footprint, but you gain essential modern connectivity and the raw power needed to handle the latest generation of processors.
$129.99
Who it's for
- Users planning for future CPU upgrades on the AM5 platform
- Builders creating compact systems for space-constrained desks
- Budget-conscious mainstream users seeking reliable core performance
Who should skip it
- Power users requiring multiple expansion cards or storage drives
- Enthusiasts pushing high-end processors with aggressive overclocking
- Gamers wanting premium audio, high-speed networking, or aesthetic flair
Performance breakdown
Memory Capacity
Dual DIMM slots handle 128GB, perfect for heavy multitasking workflows.
Networking Speed
Integrated 2.5G LAN ensures rapid, reliable data transfers for modern networks.
Storage Versatility
Dual M.2 slots provide essential high-speed storage for fast system responsiveness.
Build Compactness
MicroATX form factor fits easily into smaller, space-efficient desktop chassis.
Connectivity Options
Front panel Type-C header offers convenient access for modern peripheral devices.
Audio Fidelity
Realtek ALC897 provides standard 7.1 channel audio for everyday entertainment needs.
Key Specs
Chipset
AMD B650
CPU Socket
AM5
Memory Support
Dual Channel DDR5 up to 128GB
Storage
2 x M.2 (PCIe 4.0 support), 4 x SATA 6Gb/s
LAN Speed
2500Mbps
Expansion Slots
1 x PCIe 4.0 x16, 1 x PCIe x1
Form Factor
Micro-ATX
Dimensions
9.60 in. (243.84 mm) Depth x 8.90 in. (226.00 mm) Width
Warranty
3 Years Limited (Parts and Labor)
Audio Channels
7.1-Channel
Know before you buy
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