MSI PRO B840M-B AMD B840 Socket AM5 Micro ATX Motherboard
£93.65 Inc.VAT
In stock
In stock
Features
- Form Factor: Micro-ATX
- Socket: AM5
- Chipset: AMD B840
- DDR Type: DDR5
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- Free Pickup from our Central London Store.
- Standard Delivery (Free): Arrives in 2–3 working days.
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MSI PRO B840M-B Micro-ATX Motherboard – AMD B840 Chipset, Socket AM5, DDR5 Memory Support
Business Elegance and Professional Power
The MSI PRO B840M-B motherboard is tailored specifically for professionals looking to optimize productivity and workplace performance. Built around the advanced AMD B840 chipset and featuring the robust Socket AM5, this micro ATX form factor easily accommodates multitasking and heavy office workloads. It relies on an understated black aesthetic that seamlessly integrates into modern professional environments while supplying the core framework for reliable, long-term computing power.
Stable Energy Delivery and Thermal Management
Engineered with a Direct 7+2+1 digital power phase design, this motherboard utilizes an 8-pin connector to properly sustain system components during heavy loading tasks. Heat dissipation is handled effectively by a specialized chipset heatsink that limits dust accumulation and lowers overall operating noise. Combined with multi-layered controls inside the UEFI AMI BIOS, users can manage up to five chassis fan connectors alongside a dedicated water pump header to build a stable, cool, and exceptionally silent computer system.
High Bandwidth Memory and Storage
Equipped to handle cutting-edge data speeds, the motherboard features two DDR5 SDRAM slots that support dual-channel memory configurations up to 128 GB and extreme overclocked speeds reaching 8000 MHz. The internal layout includes dual high-speed M.2 storage slots utilizing PCI Express 4.0 architecture alongside four dedicated SATA III connectors. This configuration allows professionals to pair fast NVMe solid-state drives with standard high-capacity hard disks while simultaneously offering RAID 0, 1, and 10 arrays for essential data preservation.
Modern Networking and Peripheral I/O
Rear and internal input-output layouts provide a broad assortment of connectivity choices including a high-speed Realtek 2.5 Gigabit Ethernet port to facilitate ultra-fast data transfers and zero network latency. The physical expansion capabilities offer two separate PCI Express x16 slots alongside multiple internal USB 3.2 Gen 2 headers. For direct visual configurations out of compatible AMD processors, the back I/O layout offers an integrated HDMI 2.1 port capable of handling ultra-high-definition displays alongside traditional legacy USB 2.0 ports.
| Brand | MSI |
| Model | PRO B840M-B |
| Chipset | AMD B840 |
| CPU Socket | AM5 |
| Form Factor | Micro ATX |
| Memory Type | DDR5 SDRAM |
| Memory Slots | 2 x DIMM |
| Maximum Memory | 128 GB |
| Maximum Memory Clock Speed | 8000 MHz |
| Number of M2 Slots | 2 slots |
| SATA III Connectors | 4 ports |
| PCI Express x16 Slots | 2 slots |
| HDMI Port | 1 x Version 2.1 |
| USB 32 Gen 1 Type A Ports | 4 ports |
| USB 20 Ports | 2 ports |
| Ethernet LAN | 1 x 2.5 Gigabit Ethernet |
| LAN Controller | Realtek RTL8125D |
| Audio Chip | Realtek ALC897 7.1 Channels |
| RAID Support | RAID 0, 1, 10 |
| Operating System Support | Windows 11 x64 |
| Width | 226 mm |
| Depth | 243.8 mm |
| Power Phase Design | 7 plus 2 plus 1 Digital Phases |
| MPN | 911-7E76-002 |
| EAN | 4711377360166 |
| Warranty Duration | 3 Years Limited Warranty |
| Warranty Provider | MSI Authorized Service Manufacturer |
| Service Coverage | Repair or replacement of defective factory parts |
| Support Type | Carry In or Mail In Service Repair Depot |
| Terms Exclusions | Excludes user damage overclocking burns or alterations |
| Weight | 0.95 kg |
|---|---|
| Manufacturer | MSI |
| Chipset Manufacturer | AMD |
| DDR Type | DDR5 |
| Socket | AMD AM5 |
| Motherboard Form Factor | Micro ATX |
| Motherboard WIFI | No |
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Description
MSI PRO B840M-B Micro-ATX Motherboard – AMD B840 Chipset, Socket AM5, DDR5 Memory Support
Business Elegance and Professional Power
The MSI PRO B840M-B motherboard is tailored specifically for professionals looking to optimize productivity and workplace performance. Built around the advanced AMD B840 chipset and featuring the robust Socket AM5, this micro ATX form factor easily accommodates multitasking and heavy office workloads. It relies on an understated black aesthetic that seamlessly integrates into modern professional environments while supplying the core framework for reliable, long-term computing power.
Stable Energy Delivery and Thermal Management
Engineered with a Direct 7+2+1 digital power phase design, this motherboard utilizes an 8-pin connector to properly sustain system components during heavy loading tasks. Heat dissipation is handled effectively by a specialized chipset heatsink that limits dust accumulation and lowers overall operating noise. Combined with multi-layered controls inside the UEFI AMI BIOS, users can manage up to five chassis fan connectors alongside a dedicated water pump header to build a stable, cool, and exceptionally silent computer system.
High Bandwidth Memory and Storage
Equipped to handle cutting-edge data speeds, the motherboard features two DDR5 SDRAM slots that support dual-channel memory configurations up to 128 GB and extreme overclocked speeds reaching 8000 MHz. The internal layout includes dual high-speed M.2 storage slots utilizing PCI Express 4.0 architecture alongside four dedicated SATA III connectors. This configuration allows professionals to pair fast NVMe solid-state drives with standard high-capacity hard disks while simultaneously offering RAID 0, 1, and 10 arrays for essential data preservation.
Modern Networking and Peripheral I/O
Rear and internal input-output layouts provide a broad assortment of connectivity choices including a high-speed Realtek 2.5 Gigabit Ethernet port to facilitate ultra-fast data transfers and zero network latency. The physical expansion capabilities offer two separate PCI Express x16 slots alongside multiple internal USB 3.2 Gen 2 headers. For direct visual configurations out of compatible AMD processors, the back I/O layout offers an integrated HDMI 2.1 port capable of handling ultra-high-definition displays alongside traditional legacy USB 2.0 ports.
Specifications
| Brand | MSI |
| Model | PRO B840M-B |
| Chipset | AMD B840 |
| CPU Socket | AM5 |
| Form Factor | Micro ATX |
| Memory Type | DDR5 SDRAM |
| Memory Slots | 2 x DIMM |
| Maximum Memory | 128 GB |
| Maximum Memory Clock Speed | 8000 MHz |
| Number of M2 Slots | 2 slots |
| SATA III Connectors | 4 ports |
| PCI Express x16 Slots | 2 slots |
| HDMI Port | 1 x Version 2.1 |
| USB 32 Gen 1 Type A Ports | 4 ports |
| USB 20 Ports | 2 ports |
| Ethernet LAN | 1 x 2.5 Gigabit Ethernet |
| LAN Controller | Realtek RTL8125D |
| Audio Chip | Realtek ALC897 7.1 Channels |
| RAID Support | RAID 0, 1, 10 |
| Operating System Support | Windows 11 x64 |
| Width | 226 mm |
| Depth | 243.8 mm |
| Power Phase Design | 7 plus 2 plus 1 Digital Phases |
| MPN | 911-7E76-002 |
| EAN | 4711377360166 |
Warranty
| Warranty Duration | 3 Years Limited Warranty |
| Warranty Provider | MSI Authorized Service Manufacturer |
| Service Coverage | Repair or replacement of defective factory parts |
| Support Type | Carry In or Mail In Service Repair Depot |
| Terms Exclusions | Excludes user damage overclocking burns or alterations |
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