The MSI MAG B550M Mortar WiFi is a Micro-ATX motherboard based on the B550 chipset with an AM4 socket. It supports up to 128GB of DDR4 memory across 4 DIMM slots, and offers 2 M.2 slots for NVMe SSD storage. This guide covers compatible RAM and SSD upgrades with our top recommendations.
MSI MAG B550M Mortar WiFi Specifications
| Motherboard | MSI MAG B550M Mortar WiFi |
| Brand | MSI |
| Chipset | B550 |
| Socket | AM4 |
| Form Factor | Micro-ATX |
| Memory Type | DDR4 |
| Max Memory | 128GB |
| DIMM Slots | 4 |
| M.2 Slots | 2 |
| Release Year | 2020 |
Compatible RAM for MSI MAG B550M Mortar WiFi
The MSI MAG B550M Mortar WiFi supports DDR4 memory modules. With 4 DIMM slots, the maximum supported capacity is 128GB. For optimal performance, install memory in matched pairs across the same-coloured slots to enable dual-channel mode.
Recommended RAM Upgrades
| Configuration | Module | Buy |
|---|---|---|
| 16GB (2x8GB) | Corsair Vengeance LPX DDR4-3200 2x8GB | Check Price |
| 32GB (2x16GB) | Corsair Vengeance LPX DDR4-3200 2x16GB | Check Price |
| 64GB (2x32GB) | Corsair Vengeance LPX DDR4-3200 2x32GB | Check Price |
| 128GB (4x32GB) | Corsair Vengeance LPX DDR4-3200 4x32GB | Check Price |
Compatible SSD Storage for MSI MAG B550M Mortar WiFi
The MSI MAG B550M Mortar WiFi features 2 M.2 slots for NVMe SSD storage. These support PCIe 3.0/4.0 x4 NVMe drives.
Recommended SSD Upgrades
| Capacity | Drive | Buy |
|---|---|---|
| 500GB NVMe | Samsung 980 Pro 500GB PCIe 4.0 | Check Price |
| 1TB NVMe | Samsung 980 Pro 1TB PCIe 4.0 | Check Price |
| 2TB NVMe | Samsung 970 EVO Plus 2TB | Check Price |
Upgrade Tips for MSI MAG B550M Mortar WiFi
- Check QVL: MSI publishes a Qualified Vendor List (QVL) for this motherboard — check compatible modules before purchasing.
- Enable XMP/EXPO: After installing new RAM, enter BIOS and enable XMP to run memory at its rated speed.
- Matched pairs: Always install RAM in matched pairs for dual-channel performance.
- M.2 heatsink: Use the included M.2 heatsink or an aftermarket one to prevent thermal throttling on NVMe drives.
- BIOS update: Update to the latest BIOS before installing new memory, especially for newer RAM modules.
Frequently Asked Questions
What RAM is compatible with the MSI MAG B550M Mortar WiFi?
The MSI MAG B550M Mortar WiFi supports DDR4 memory, with a maximum of 128GB across 4 DIMM slots.
How many M.2 slots does the MSI MAG B550M Mortar WiFi have?
The MSI MAG B550M Mortar WiFi has 2 M.2 slots for NVMe SSD storage.
What is the maximum RAM for the MSI MAG B550M Mortar WiFi?
The maximum supported memory is 128GB using 4 DIMM slots.
Does the MSI MAG B550M Mortar WiFi support DDR5?
No, the MSI MAG B550M Mortar WiFi uses DDR4 memory modules.
Related MSI Upgrade Guides
- MSI PRO B460M-A
- MSI MAG B460 Torpedo
- MSI MAG B460M Mortar
- MSI MPG Z490 Gaming Edge WiFi
- MSI MAG Z490 Tomahawk
- MSI Upgrade Guide
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