MSI MAG B850M Mortar WiFi (mATX)
MSIenthusiastall critical fields sourced
Specifications
| socket | am5 | high confidence |
| chipset | B850 | high confidence |
| form factor | matx | high confidence |
| ram generation | ddr5 | high confidence |
| m2 slots | 3 | unsourced detail |
Best for
- The mATX AM5 default — PCIe 5.0 x16 + Gen5 M.2, WiFi 7 ($239.99)
Not ideal for
- Full-ATX expansion needs; tight budgets (B650M boards cost less)
Ecosystem fit
AMD AM5 (native)DDR5 (native)Micro-ATX (native)PCIe 5.0 (native)
Sources (6)
Report an issue with this data →Every product carries its receipts. Field-level sources pin individual specs; flagged fields say so instead of guessing. Last researched 2026-06-10.
- primaryMSI — B850M Mortar WiFi product pagemanufacturer · high
- productWccftech review — solid mATX AM5 (~$200-240)review · medium
- chipsetB850 per MSImanufacturer · high
- form_factormicroATX per Micro Centerretailer · high
- ram_generationDDR5 per listingretailer · high
- socketAM5 per MSImanufacturer · high