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MSI PRO B840M-B motherboard AMD B840 Socket AM5 micro ATX
139.00 €
Monthly payment from 4,48 €
3823399 PRO B840M-B
4711377360166
Shipping 1-2 b.d.
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All about the product
BUSINESS ELEGANCEThe PRO Series is tailored to professionals from all walks of life. The lineup features impressive performance and high quality, while aiming to provide users incredible experience. Users who care about productivity and efficiency can definitely count on the MSI PRO Series to assist you with multitasking and increasing efficiency.
MSI motherboards are designed with advanced hardware and technology, well-supporting the demanding computing usage of gaming and AI. Moreover, we also introduce AI to MSI Center and BIOS, making everything more effortless than before.
DIRECT 7+2+1 POWER DESIGN
Unleash and sustain the maximum performance with a VRM design built with a total of 7+2+1 digital power phases. With an 8-pin power connector, PRO B840M-B is ready for the challenge of heavy-loading tasks.
Chipset Heatsink
The chipset heatsink is designed to reduce dust and noise and capable of maintaining high efficiency of heat dissipation.
HIGH-BANDWIDTH AND LOW-LATENCY NETWORK
MSI’s premium network solution provides incredible data transfer speed for demanding users.
Processor | |
| Compatible processor series | AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series |
| Processor socket | Socket AM5 |
| Supported processor sockets | Socket AM5 |
| Processor manufacturer | AMD |
Memory | |
| Maximum internal memory | 128 GB |
| Supported memory clock speeds | 4800, 5600, 8000 |
| Supported memory types | DDR5-SDRAM |
| Memory channels | Dual-channel |
| Memory slots type | DIMM |
| Number of memory slots | 2 |
| Supported memory clock speed (max) | 8000 MHz |
| ECC сompatibility | Non-ECC |
Storage controllers | |
| RAID levels | 0, 1, 10 |
| Number of HDDs supported | 4 |
| Supported storage drive types | HDD & SSD |
| Supported storage drive interfaces | M.2, Micro SATA III |
| Number of storage drives supported | 6 |
| RAID support | Yes |
Graphics | |
| On-board graphics card | No |
Internal I/O | |
| Number of SATA connectors | 0 |
| USB 2.0 connectors | 4 |
| Number of chassis fan connectors | 5 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 2 |
| Number of SATA II connectors | 0 |
| Number of SATA III connectors | 4 |
| Number of SATA Express connectors | 0 |
| USB 3.2 Gen 2 (3.1 Gen 2) connectors | 1 |
| Total number of SATA connectors | 4 |
| RGB LED pin header | Yes |
| Number of CPU fan connectors | 1 |
| Number of RGB LED pin headers | 3 |
| Number of water pump connectors | 1 |
Rear panel I/O ports | |
| USB 2.0 ports quantity | 2 |
| Ethernet LAN (RJ-45) ports | 1 |
| VGA (D-Sub) ports quantity | 0 |
| DVI-D ports quantity | 0 |
| HDMI ports quantity | 1 |
| HDMI version | 2.1 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 4 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity | 0 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 0 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity | 0 |
Network | |
| LAN controller | Realtek RTL8125D |
| Ethernet interface type | 2.5 Gigabit Ethernet |
| Ethernet LAN | Yes |
| Wi-Fi | No |
Features | |
| Motherboard form factor | micro ATX |
| Motherboard chipset | AMD B840 |
| Audio output channels | 7.1 channels |
| Motherboard chipset family | AMD |
| Component for | PC |
| Windows operating systems supported | Windows 11 x64 |
| Audio chip | Realtek ALC897 |
| Product colour | Black |
Expansion slots | |
| PCI Express x16 slots | 2 |
| Number of M.2 (M) slots | 2 |
| 1st M.2 largest key size | 2280 |
| 1st M.2 highest PCI Express generation | 4.0 |
| 2nd M.2 largest key size | 2280 |
| 2nd M.2 highest PCI Express generation | 4.0 |
BIOS | |
| BIOS type | UEFI AMI |
| BIOS memory size | 256 Mbit |
| ACPI version | 6.5 |
| System Management BIOS (SMBIOS) version | 3.7 |
Weight & dimensions | |
| Width | 226 mm |
| Depth | 243.8 mm |
Other features | |
| mSATA ports quantity | 0 |










