MSI PRO B840M-B mATX AMD Ryzen 9000 Series Motherboard with DDR5, PCIe 4.0, 2.5G LAN & Type-C
MSI PRO B840M-B m-ATX AMD Motherboard
PRO B840M-B is engineered with many exclusive features of MSI, PCIe 4.0 M.2, EZ PCIe Clip II, 2.5G LAN, and Front Type-C, ready for the AMD Ryzen™ 9000 series processors.
PRO B840M-B
- Supports AMD Ryzen™ 9000 / 8000 / 7000 Series Desktop Processors
- Supports DDR5 Memory, Dual Channel DDR5 8000+ MT/s (OC)
- Ultra Performance: Direct 7+2+1 Power System with P-PAK, 8-pin CPU power connector, Core Boost, Memory Boost, 6-layer PCB made by 2oz thickened copper
- EZ DIY: EZ M.2 Clip II and EZ PCIe Clip II
- Lightning Fast Game experience: PCIe 4.0 slot and Lightning Gen 4 x4 M.2
- 2.5G LAN: the remarkable solution for professional and multimedia use, delivering secure, stable, and high-speed networking and data transmission
- Audio Boost: Reward your ears with studio grade sound quality for the most immersive gaming experience
| Feature | Specification |
|---|---|
| Chipset | AMD B840 |
| CPU | Supports AMD Ryzen™ 9000/ 8000/ 7000 Series Desktop Processors Socket AM5 |
| Memory | 2x DDR5 UDIMM, Maximum Memory Capacity 128GB Memory Support DDR5 8000 - 5600 (OC) MT/s / 5600 - 4800 (JEDEC) MT/s
|
| Onboard Graphics | 1x HDMI™
|
| Expansion Slots | 1x PCI-E x16 slot 1x PCI-E x1 slot
|
| Audio | Realtek® ALC897 7.1-Channel High Definition Audio |
| Storage | 2x M.2
|
| RAID | Supports RAID 0, RAID 1 and RAID 10 for SATA storage devices Supports RAID 0 and RAID 1 for M.2 NVMe storage devices |
| USB |
|
| LAN | Realtek® 8125D 2.5G LAN |
| Internal I/O |
|
| LED Feature | 4x EZ Debug LED 1x EZ Memory Detection LED |
| Weight | 1 kg |
|---|---|
| Brands |
MSI |
| Chipset |
B840 |
| Motherboard Series |
MSI PRO |
| Socket |
AM5 |
| Warranty |
3 Years |
| Memory Series |
DDR5 |
| Motherboard Size |
mATX |
| Platform |
AMD |
| RAM Type |
DDR5 |
| EAN / UPC Code |
4711377360166 |
MSI PRO B840M-B mATX AMD Ryzen 9000 Series Motherboard with DDR5, PCIe 4.0, 2.5G LAN & Type-C
MSI PRO B840M-B mATX AMD Ryzen 9000 Series Motherboard with DDR5, PCIe 4.0, 2.5G LAN & Type-C
MSI PRO B840M-B m-ATX AMD Motherboard
PRO B840M-B is engineered with many exclusive features of MSI, PCIe 4.0 M.2, EZ PCIe Clip II, 2.5G LAN, and Front Type-C, ready for the AMD Ryzen™ 9000 series processors.
PRO B840M-B
- Supports AMD Ryzen™ 9000 / 8000 / 7000 Series Desktop Processors
- Supports DDR5 Memory, Dual Channel DDR5 8000+ MT/s (OC)
- Ultra Performance: Direct 7+2+1 Power System with P-PAK, 8-pin CPU power connector, Core Boost, Memory Boost, 6-layer PCB made by 2oz thickened copper
- EZ DIY: EZ M.2 Clip II and EZ PCIe Clip II
- Lightning Fast Game experience: PCIe 4.0 slot and Lightning Gen 4 x4 M.2
- 2.5G LAN: the remarkable solution for professional and multimedia use, delivering secure, stable, and high-speed networking and data transmission
- Audio Boost: Reward your ears with studio grade sound quality for the most immersive gaming experience
| Feature | Specification |
|---|---|
| Chipset | AMD B840 |
| CPU | Supports AMD Ryzen™ 9000/ 8000/ 7000 Series Desktop Processors Socket AM5 |
| Memory | 2x DDR5 UDIMM, Maximum Memory Capacity 128GB Memory Support DDR5 8000 - 5600 (OC) MT/s / 5600 - 4800 (JEDEC) MT/s
|
| Onboard Graphics | 1x HDMI™
|
| Expansion Slots | 1x PCI-E x16 slot 1x PCI-E x1 slot
|
| Audio | Realtek® ALC897 7.1-Channel High Definition Audio |
| Storage | 2x M.2
|
| RAID | Supports RAID 0, RAID 1 and RAID 10 for SATA storage devices Supports RAID 0 and RAID 1 for M.2 NVMe storage devices |
| USB |
|
| LAN | Realtek® 8125D 2.5G LAN |
| Internal I/O |
|
| LED Feature | 4x EZ Debug LED 1x EZ Memory Detection LED |
| Weight | 1 kg |
|---|---|
| Brands |
MSI |
| Chipset |
B840 |
| Motherboard Series |
MSI PRO |
| Socket |
AM5 |
| Warranty |
3 Years |
| Memory Series |
DDR5 |
| Motherboard Size |
mATX |
| Platform |
AMD |
| RAM Type |
DDR5 |
| EAN / UPC Code |
4711377360166 |






