MSI PRO B850M-P WIFI + Ryzen 9 9900X AMD motherboard CPU combo
- AM5
- AMD B850
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AM5 combo pairs an X870E board with DDR5 up to 8200 MT/s, Wi‑Fi 7, 5G LAN, PCIe 5.0 x16 and a Ryzen 7 9700X 8‑core processor
CPU +Ryzen 7 9700X
This bundle pairs an MSI PRO X870E-P WIFI motherboard with an AMD Ryzen 7 9700X processor for AM5 builds. The board supports Ryzen 7000, 8000 and 9000 series CPUs and delivers DDR5 speeds up to 8200 MT/s when overclocked. It targets enthusiasts who want a ready-to-run platform with PCIe 5.0 graphics bandwidth, 5 Gbps wired networking and Wi-Fi 7 wireless.
The motherboard uses a 60A SPS VRM design to feed the 8-core, 16-thread Zen 5 CPU under sustained loads. Frozr AI Cooling monitors CPU and GPU temperatures and adjusts system fan duty automatically, keeping airflow matched to demand. M.2 Shield Frozr covers the three onboard M.2 slots, helping storage temperatures stay controlled during heavy transfers.
Ez PCIe Clip II lets you remove graphics cards from the PCIe 5.0 x16 slot without tools, simplifying upgrades. A built-in USB4 port provides 40 Gbps connectivity for fast external storage or docks. Wi-Fi 7 with a 320 MHz channel enables up to 5.8 Gbps wireless throughput, while Bluetooth 5.4 handles peripheral pairing. The Realtek 8126 5G LAN controller adds a high-speed wired option.
Measured against everything we stock in Motherboards for AMD CPUs, at today’s prices. Recalculated every night.
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| Product | |
|---|---|
| Brand name | MSI |
| Model name | PRO X870E-P WIFI+R7 9700X |
| Part number | PRO X870E-P WIFI+R7 9700X |
| Processor | |
| CPU socket | AM5 |
| Chipset | AMD X870E |
| Memory | |
| Memory slot count | 4 × 288pin (DDR5) |
| Max supported RAM | 256 GB |
| Memory channels | Dual Channel |
| Storage | |
| SATA ports | 4 x SATA 6Gb/s |
| M.2 slots | 1 x M.2 Gen5 x4 128 Gbit/s slots, 2 x M.2 Gen4 × 4 64 Gbit/s slots, |
| Connectivity | |
| Ethernet controller | Realtek@ 8126 5G LAN |
| Wi-Fi standard | Wi-Fi 7 Solution, |
| Bluetooth support | 5.4 |
| Ports & slots | |
| PCIe 5.0 x16 slots | PCI_E1 slot - Supports PCIe 5.0 x16 (For Ryzen 9000/ 7000 Series processors) - Supports PCIe 4.0 x8 (For Ryzen 8700/ 8600/ 8400 Series processors) - Supports PCIe 4.0 x4 (For Ryzen 8500/ 8300 Series processors) |
| PCIe 4.0 x16 slots | 1 x PCI Express 4.0 x16 |
| PCIe x4 slots | PCI_E3 Gen PCIe 4.0 supports up to x4 (From Chipset) |
| PCIe x1 slots | PCI_E2 Gen PCIe 3.0 supports up to x1 (From Chipset) PCI_E4 Gen PCIe 3.0 supports up to x1 (From Chipset) |
| HDMI ports | Support 4K@60 Hz as specified in HDMITM 2.1 |
| Ethernet port | 1 x RJ45 |
| USB 3.1 ports | 2x USB 10 Gbit/s Type-A 1 x USB 5 Gbit/s Type- A |
| USB 2.0 ports | 4 x USB 2.0 |
| USB-C ports | 1 x USB4 port supports USB Type-C display output, - Requires Processor Graphics 1 x USB 20 Gbit/s Type-C |
| Audio jacks | 8-Channel(7.1) HD Audio with Audio Boost. |
| Size & build | |
| Form factor | ATX |
Other versions of this model
Lift the socket lever, align the triangle on the CPU with the socket corner, place the chip gently without pressure, lower the lever until it clicks, then attach the cooler using the AM5 mounting holes supplied with the motherboard.
Dust the VRM heatsinks and M.2 Shield Frozr regularly so the 60A SPS VRM and the three M.2 slots stay cool; reapply thermal paste on the 8-core 16-thread CPU if temperatures rise after several years.
The 60A SPS VRM thermal ceiling or the CPU max boost behaviour will throttle the 9700X before the DDR5 8200 MT/s memory ceiling or the PCIe 5.0 x16 bandwidth is reached.
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