Memory (RAM) Compatibility
| Specification | Details |
|---|---|
| Memory Type | DDR4 |
| Memory Slots | 4 x DIMM |
| Maximum Capacity | 128GB |
| Max Per Slot | 32GB |
| Form Factor | 288-pin DIMM |
| Chipset | Intel Z790 |
| Socket | LGA1700 |
Recommended RAM Upgrades
The MSI MAG Z790 Tomahawk WiFi DDR4 supports DDR4 memory across 4 DIMM slots, with a maximum capacity of 128GB. For best performance, install RAM in matched pairs to enable dual-channel mode.
Shop Compatible DDR4 RAM
View DDR4 RAM on Amazon →RAM Upgrade Tips for Z790 Motherboards
- Dual-channel configuration: Install matching pairs in slots A2 and B2 first for optimal performance
- XMP profiles: Enable in BIOS to run RAM at its rated speed — DDR4-3200 or higher recommended
- Check QVL: MSI’s QVL (Qualified Vendor List) confirms tested and compatible memory modules for this board
- Capacity planning: 32GB per slot means you can reach 128GB with 4 modules
Storage (SSD) Compatibility
| Specification | Details |
|---|---|
| M.2 Slots | 3 x M.2 (M-key) |
| Primary M.2 Interface | PCIe 3.0/4.0 x4 NVMe |
| Form Factor | M.2 2280 |
| SATA Support | Yes (6Gb/s SATA III ports available) |
Recommended SSD Upgrades
With 3 M.2 slots, the MSI MAG Z790 Tomahawk WiFi DDR4 offers excellent storage expansion. The primary M.2 slot connects directly to the CPU for maximum NVMe performance, while additional slots may route through the chipset.
Shop Compatible NVMe SSDs
View NVMe SSDs on Amazon →SSD Installation Tips
- M.2 heatsink: Most Z790 boards include M.2 heatsinks — remove them before installing, then reattach
- PCIe generation: Check which slots support Gen 4 vs Gen 5 — the CPU-direct slot is usually fastest
- BIOS setup: New SSDs may need to be initialised in Windows Disk Management after installation
About the MSI MAG Z790 Tomahawk WiFi DDR4
The MSI MAG Z790 Tomahawk WiFi DDR4 is a ATX motherboard built on the Intel Z790 chipset with LGA1700 socket support. It features 4 DDR4 DIMM slots supporting up to 128GB of memory and 3 M.2 slots for NVMe SSD storage. As an enthusiast-class board, it supports CPU overclocking and high-speed memory profiles.
Related Upgrade Guides
Related Resources
- Laptop Upgrade Compatibility Checker — Check RAM, SSD & charger compatibility for 3,195+ models
- RAM Compatibility Guide — DDR4, DDR5 & LPDDR5 explained
- SSD Compatibility Guide — NVMe, SATA & M.2 sizes
- Charger Compatibility Guide — USB-C, Power Delivery & GaN
- Docking Station Compatibility Guide — Thunderbolt, USB-C & DisplayLink
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Ready to Upgrade?
Find compatible RAM and SSDs for this motherboard on Amazon UK.
Browse RAM Browse SSDsRecommended DDR4 Laptop RAM
Kingston Technology
Kingston Technology KCP432SS8/8 memory module 8 GB 1 x 8 GB DDR4 3200
£96.47
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