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Here are the 5 best motherboards for your Ryzen 9 9900X that will be able to run the CPU without thermal constraints.
The Ryzen 9 9900X is a high-end Zen 5 processor with 12 cores and 24 threads. It has nearly identical power consumption (120W) to the 9950X, requiring premium motherboards. Below are a few selections that would be a great fit.
1. ASUS ROG Crosshair X870E Hero
The ROG Crosshair is for system builders, integrators, and enthusiastic gamers unwilling to compromise on motherboard choices. The VRM solution provided is outright supreme and will handle the 9900X and future products with ease. For I/O, there are 5 M.2 slots and 2 PCIe 5.0 x16 slots for GPUs. Additionally, this board is also known for its memory overclocking capabilities, making it particularly rewarding for enthusiasts.
Also Read: 5 Best Motherboards for AMD Ryzen 7 9700X
| Specifications | Details |
|---|---|
| VRM | 18+2+2 phases with 110A SPS |
| Chipset | AMD X870E |
| Socket type | AM5 (LGA 1718) |
| Memory | 4 x DDR5 DIMM slots, supports up to 256GB, DDR5 up to 8200+ MT/s (OC) with Dual Channel and EXPO |
| NVMe Storage | 5 x M.2 slots |
| GPU support | 2 x PCIe 5.0 x16 slots (x16 or x8/x8 modes), 1 x PCIe 5.0 x4 slot |
2. MSI MPG X870E Carbon WiFi
The X870E Carbon shares many similarities with the Crosshair Hero, but its VRM design is slightly toned down. Despite that, it is still sufficient to efficiently power future-generation processors, including the 9900X.
| Specifications | Details |
|---|---|
| VRM | 18+2+1 phases with 90A SPS |
| Chipset | AMD X870E |
| Socket type | AM5 (LGA 1718) |
| Memory | 4 x DDR5 DIMM slots, supports up to 256GB, DDR5 up to 8000+ MT/s (OC) with Dual Channel and EXPO |
| NVMe Storage | 5 x M.2 slots |
| GPU support | 2 x PCIe 5.0 x16 slots (x16 or x8/x8 modes), 1 x PCIe 4.0 x16 slot (x4 mode) |
3. Gigabyte X870E Aorus Master
The Aorus Master is Gigabyte’s flagship for gamers and tech enthusiasts, with premium build aesthetics. As for the BIOS, the Aorus BIOS is one of the most simplistic and intuitive, easily understandable for anyone operating it. Regarding I/O, there are 4 M.2 slots, 1 PCIe 5.0 x16 slot, and 2 PCIe 4.0 x16 slots.
| Specifications | Details |
|---|---|
| VRM | 16+2+2 phases with 110A SPS |
| Chipset | AMD X870E |
| Socket type | AM5 (LGA 1718) |
| Memory | 4 x DDR5 DIMM slots, supports up to 256GB, DDR5 up to 8600+ MT/s (OC) with Dual Channel and EXPO |
| NVMe Storage | 4 x M.2 slots |
| GPU support | 1 x PCIe 5.0 x16 slot (x16 mode), 2 x PCIe 4.0 x16 slots (x4 mode) |
4. ASUS TUF Gaming X870-Plus WiFi
The TUF is for gamers with a mid-range budget seeking a powerful motherboard. VRM-wise, the foundation is competent enough to power the 9900X seamlessly. For I/O, the board has 4 M.2 slots, 1 PCIe 5.0 x16 slot, 1 PCIe 4.0 x16 slot (x4 mode), and 2 PCIe 3.0 x1 slots. The additional PCIe slots can also double as M.2 expansion with the correct adapter.
| Specifications | Details |
|---|---|
| VRM | 16+2+2 phases with Dr.MOS |
| Chipset | AMD X870 |
| Socket type | AM5 (LGA 1718) |
| Memory | 4 x DDR5 DIMM slots, supports up to 256GB, DDR5 up to 8000+ MT/s (OC) with Dual Channel and EXPO |
| NVMe Storage | 4 x M.2 slots |
| GPU support | 1 x PCIe 5.0 x16 slot (x16 mode), 1 x PCIe 4.0 x16 slot (x4 mode), 2 x PCIe 3.0 x1 slots |
5. MSI MAG X870 Tomahawk WiFi
The Tomahawk is for mid-range buyers looking for a powerful board without requiring the full X870E capabilities. VRM-wise, the board is excellent for powering the 9900X and future-generation processors. For I/O, there are 4 M.2 slots, 1 PCIe 5.0 x16 slot, and 2 PCIe 4.0 x16 slots (x4 mode).
| Specifications | Details |
|---|---|
| VRM | 14+2+1 phases with 80A SPS |
| Chipset | AMD X870 |
| Socket type | AM5 (LGA 1718) |
| Memory | 4 x DDR5 DIMM slots, supports up to 256GB, DDR5 up to 8000+ MT/s (OC) with Dual Channel and EXPO |
| NVMe Storage | 4 x M.2 slots |
| GPU support | 1 x PCIe 5.0 x16 slot (x16 mode), 2 x PCIe 4.0 x16 slots (x4 mode) |
Verdict
All of the motherboards listed are an excellent fit for the 9900X. For memory tuners and hardcore overclockers, the X870E Hero is the best choice. For enthusiastic gamers looking for a plug-and-play solution, the MSI MPG X870E Carbon WiFi and Aorus Master are great options. The remaining boards are solid budget contenders, highly capable, and reliable.
Also Read: 5 Best Motherboards for Intel Core Ultra 5 245K
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