MSI PRO B840M-B AMD B840 Socket AM5 Micro ATX Motherboard

SKU Code: WCM-32122 MPN: 4711377360166 EAN: 4711377360166 Brand:
SKU Code: WCM-32122 MPN: 4711377360166 EAN: 4711377360166

£93.65 Inc.VAT

In stock

In stock

Features
  • Form Factor: Micro-ATX
  • Socket: AM5
  • Chipset: AMD B840
  • DDR Type: DDR5

Spread the cost with 0% interest for 4 months on PayPal Credit.

Split the cost into 3 interest-free payments with Klarna.

Select Clearpay at checkout to split your cost into 4.

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
Weight0.95 kg
ManufacturerMSI
Chipset ManufacturerAMD
DDR TypeDDR5
SocketAMD AM5
Motherboard Form FactorMicro ATX
Motherboard WIFINo

Customer Reviews

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

Frequently Asked Questions

We accept all major credit and debit cards (Visa, Mastercard, American Express), as well as PayPal, Apple Pay, and Google Pay for secure and fast checkout.

Yes, we offer flexible financing options at checkout. You can choose to split your payment into manageable installments through our designated finance partners.

We offer a range of delivery options. For UK mainland addresses, we provide Next Working Day delivery if you order before our daily cut-off time. Standard delivery typically takes 2-3 working days.

Currently, we primarily ship within the UK. For specific international shipping requests or enterprise orders, please contact our support team to discuss available logistics and rates.

We offer a 14-day standard return policy. If you change your mind, you can return the item to us unopened and in its original condition for a full refund.

Yes, all our tech products are brand new and come with a standard manufacturer's warranty, which is typically 1 to 3 years depending on the brand and component.

Yes, all our tech products are brand new and come with a standard manufacturer's warranty, which is typically 1 to 3 years depending on the brand and component.

Our technical support team is ready to help! You can reach out to us via the "Contact Us" page, open a support ticket through your account dashboard, or email us directly with your order number.