Chipset
AM5MSI Pro B840M-B
General info
| Cpu socket i | AM5MSI Pro B840M-B |
| Chipset i | B840 (5 others) |
| Form factor i | Micro-ATX (91 others) |
| Release date i | 8 months ago05/09/2025 (2 others) |
| Supports wi fi i | ✖ |
| Has bluetooth i | ✖ |
| Hdmi version i | HDMI 2.1 (295 others) |
| Easy To Overclock i | ✔ (90 others) |
| Has rgb lighting i | ✔ (27 others) |
Memory
| Maximum memory amount i | 128GB (143 others) |
| Ram speed (max) i | 5600 MHz (94 others) |
| Overclocked ram speed i | 8000 MHz (50 others) |
| Memory slots i | 2 (60 others) |
| Ddr memory version i | 5 (328 others) |
| Memory channels i | 2 (412 others) |
| Supports ecc memory i | ✖ |
Ports
| Usb 3.2 gen 2 ports (usb a) i | 0 |
| Usb 3.2 gen 1 ports (usb a) i | 4 |
| Usb 3.2 gen 2 ports (usb c) i | 0 |
| Usb 3.2 gen 1 ports (usb c) i | 0 |
| Usb 2.0 ports i | 2 |
| Usb 3.2 gen 2x2 ports i | 0 |
| Usb 4 40gbps ports i | 0 (197 others) |
| Usb 4 20gbps ports i | 0 (359 others) |
| Thunderbolt 4 Ports i | 0 (188 others) |
Connectors
| Usb 3.2 gen 1 ports (through expansion) i | 2 |
| Usb 3.2 gen 2 ports (through expansion) i | 0 |
| Usb 3.2 gen 2x2 ports (through expansion) i | 0 |
| Usb c 3.2 gen 2 ports (through expansion) i | 0 |
| Usb 2.0 ports (through expansion) i | 4 |
| Sata 3 connectors i | 4 (253 others) |
| Fan headers i | 3 (27 others) |
| Usb 3.0 ports (through expansion) i | 2 |
| M.2 Sockets i | 2 |
Expansion slots
| Pcie 4.0 x16 slots i | 1 |
| Pcie 5.0 x16 slots i | 0 |
| Pcie 3.0 x16 slots i | 0 |
| Pcie x1 slots i | 1 (127 others) |
| Pci slots i | 0 (438 others) |
| Pcie 2.0 x16 slots i | 0 |
| Pcie x4 slots i | 0 (336 others) |
| Pcie x8 slots i | 0 (431 others) |
Audio
| Audio channels i | 7.1 (395 others) |
| Has s/pdif out port i | ✖ |
| Audio connectors i | 3 (113 others) |
Storage
| Supports raid 1 i | ✔ (440 others) |
| Supports raid 10 (1+0) i | ✔ (429 others) |
| Supports raid 5 i | ✖ |
| Supports raid 0 i | ✔ (441 others) |
| Supports raid 0+1 i | ✖ |
Similar products
Frequently Asked Questions
What is the DDR memory version of the MSI Pro B840M-B?
At 5, the MSI Pro B840M-B ranks #1 out of 430 — see ranking motherboard products — one of the Highest DDR memory version in this category.
What is the fan headers of the MSI Pro B840M-B?
At 3, the MSI Pro B840M-B is 54% below the category average for fan headers, ranking #408 out of 451 — see ranking motherboard products.
What is the memory slots of the MSI Pro B840M-B?
At 2, the MSI Pro B840M-B is 51% below the category average for memory slots, ranking #392 out of 452 — see ranking motherboard products.
How much memory does the MSI Pro B840M-B support?
At 128GB, the MSI Pro B840M-B is 37% below the category average for maximum memory, ranking #260 out of 452 — see ranking motherboard products.
How many USB 2.0 ports does the MSI Pro B840M-B have?
At 2, the MSI Pro B840M-B is 34% below the category average for USB 2.0 ports, ranking #150 out of 291 — see ranking motherboard products.
How many USB 3.0 ports (through expansion) does the MSI Pro B840M-B have?
At 2, the MSI Pro B840M-B is 33% below the category average for USB 3.0 ports (through expansion), ranking #192 out of 396 — see ranking motherboard products.
What is the pcie x1 slots of the MSI Pro B840M-B?
At 1, the MSI Pro B840M-B is 33% below the category average for pcie x1 slots, ranking #82 out of 209 — see ranking motherboard products.
How many USB 3.2 Gen 1 ports (through expansion) does the MSI Pro B840M-B have?
At 2, the MSI Pro B840M-B is 30% below the category average for USB 3.2 Gen 1 ports (through expansion), ranking #151 out of 355 — see ranking motherboard products.
What is the pcie 4.0 x16 slots of the MSI Pro B840M-B?
At 1, the MSI Pro B840M-B is 28% below the category average for pcie 4.0 x16 slots, ranking #68 out of 240 — see ranking motherboard products.
What is the RAM speed of the MSI Pro B840M-B?
At 5600 MHz, the MSI Pro B840M-B is 20% above the category average for RAM speed, ranking #52 out of 393 — see ranking motherboard products.
What is the sata 3 connectors of the MSI Pro B840M-B?
At 4, the MSI Pro B840M-B is 19% below the category average for sata 3 connectors, ranking #168 out of 452 — see ranking motherboard products.
What is the audio connectors of the MSI Pro B840M-B?
At 3, the MSI Pro B840M-B is 14% below the category average for audio connectors, ranking #182 out of 448 — see ranking motherboard products.
How does it compare?
How does the MSI Pro B840M-B's fan headers compare to similar motherboardss?
At 3, the MSI Pro B840M-B trails the MSI MEG X870E Ace Max (8) by 63%.
How does the MSI Pro B840M-B's maximum memory compare to similar motherboardss?
At 128GB, the MSI Pro B840M-B trails the MSI MEG X870E Ace Max (256GB) by 50%.
How does the MSI Pro B840M-B's memory slots compare to similar motherboardss?
At 2, the MSI Pro B840M-B trails the MSI MEG X870E Ace Max (4) by 50%.
How does the MSI Pro B840M-B's USB 3.2 Gen 1 ports (through expansion) compare to similar motherboardss?
At 2, the MSI Pro B840M-B trails the MSI MEG X870E Ace Max (4) by 50%.
How does the MSI Pro B840M-B's USB 3.0 ports (through expansion) compare to similar motherboardss?
At 2, the MSI Pro B840M-B trails the MSI MEG X870E Godlike (4) by 50%.
How does the MSI Pro B840M-B's audio connectors compare to similar motherboardss?
At 3, the MSI Pro B840M-B leads the MSI MEG X870E Ace Max (2) by 33%.
How does the MSI Pro B840M-B's audio channels compare to similar motherboardss?
At 7.1, the MSI Pro B840M-B leads the ASRock Z890 Taichi (5.1) by 28%.
How does the MSI Pro B840M-B's overclocked ram speed compare to similar motherboardss?
At 8000 MHz, the MSI Pro B840M-B trails the ASRock Z890 Nova WiFi (9200 MHz) by 13%.