MSI PRO B850M-P WIFI + Ryzen 5 9600X AMD motherboard CPU combo
- AM5
- AMD B850
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MSI
Pairs an AMD X870E ATX board with a 16-core Ryzen 9 9950X3D, four DDR5 slots to 256 GB, triple M.2, USB 40G, 5 Gbps LAN and Wi-Fi 7
CPU +Ryzen 9 9950X3D
This motherboard and CPU bundle pairs an AMD X870E chipset board with the Ryzen 9 9950X3D processor. The AM5 socket supports Ryzen 9000, 8000 and 7000 series desktop chips. The included CPU uses TSMC 4nm FinFET Granite Ridge architecture with 128MB L3 cache, 16MB L2 cache and integrated Radeon graphics. It is rated at 170W TDP.
The board provides four DDR5 UDIMM slots for up to 256GB in dual-channel mode. Supported speeds range from 4800 MT/s JEDEC to 8200 MT/s overclocked depending on processor and population. Three M.2 connectors are onboard: one CPU-linked PCIe 5.0 x4 slot for 2280 or 2260 drives and two chipset-linked PCIe 4.0 x4 slots. Four SATA 6Gb/s ports and RAID 0, 1, 10 for SATA plus RAID 0, 1, 5 for NVMe complete the storage options.
Networking uses Wi-Fi 7 with a 320MHz channel for up to 5.8Gbps throughput, 2.4 times faster than Wi-Fi 6, plus a 5G LAN port. A built-in USB 4 port delivers 40Gbps transmission speed. The PCIe layout includes one PCIe 5.0 x16 slot from the CPU, one PCIe 4.0 x16 and two PCIe 3.0 x16 slots from the chipset, plus a PCIe 3.0 x1 slot. Audio Boost provides studio-grade sound quality.
| Brand | MSI |
|---|---|
| Model | X870E GAMING PLUS WIFI+R9 9950X3D |
| Part Number | X870E GAMING PLUS WIFI+R9 9950X3D |
| CPU Socket Type | AM5 |
| CPU Type | Supports AMD Ryzen™ 9000/ 8000/ 7000 Series Desktop Processors |
| Chipset | AMD X870E |
| Number of Memory Slots | 4x DDR5 UDIMM, Maximum Memory Capacity 256GB |
| Memory Standard | Memory Support DDR5 8200 - 5600 (OC) MT/s / 5600 - 4800 (JEDEC) MT/s Ryzen™ 9000 Series Processors max. overclocking frequency: • 1DPC 1R Max speed up to 8200+ MT/s • 1DPC 2R Max speed up to 6400+ MT/s • 2DPC 1R Max speed up to 6400+ MT/s • 2DPC 2R Max speed up to 6400+ MT/s |
| Maximum Memory Supported | 256GB |
| Channel Supported | Dual Channel |
| ECC Supported | Non-ECC |
| Memory Feature | Supports AMD POR Speed and JEDEC Speed Supports Memory Overclocking and AMD EXPOTM Supports Non-ECC, Un-buffered memory Supports CUDIMM, Clock Driver bypass mode only* * CUDIMM support and POR boot frequency may vary by CPU series, with manual overclocking available after boot. Certain CPUs may fail to boot, but future BIOS updates will improve compatibility. • The DIMM slots on this motherboard have double-sided latches. • Memory compatibility and supported speeds can vary depending on the CPU and memory configuration. For detailed information, please refer to the Memory Compatibili |
| PCI Express 5.0 x16 | 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 processor) |
| PCI Express 4.0 x16 | 1 x PCI Express 4.0 x16 |
| PCI Express 3.0 x16 | 1 x PCI Express 3.0 x16 |
| PCI Express x1 | 1 x PCI Express x1 |
| PCI Slots | PCI_E1 Gen PCIe 5.0 supports up to x16 (From CPU) PCI_E2 Gen PCIe 3.0 supports up to x1 (From Chipset) PCI_E3 Gen PCIe 4.0 supports up to x4 (From Chipset) PCI_E4 Gen PCIe 3.0 supports up to x1 (From Chipset) |
| Serial ATA (SATA) | 4 x SATA 6Gb/s |
| M.2 | 3x M.2 M.2_1 Source (From CPU) supports up to PCIe 5.0 x4 , supports 2280/2260 devices M.2_2 Source (From Chipset) supports up to PCIe 4.0 x4 , supports 2280/2260 devices M.2_3 Source (From Chipset) supports up to PCIe 4.0 x4 , supports 22110/2280 devices M2_1 slot • Supports up to PCIe 5.0 x4 (For Ryzen™ 9000/ 7000 Series processors) • Supports up to PCIe 4.0 x4 (For Ryzen™ 8000 Series processors) *Please refer to the manual for M.2 SSD heatsink restrictions. |
| SATA RAID | • Supports RAID 0 , RAID 1 and RAID 10 for SATA storage devices • Supports RAID 0, RAID 1 and RAID 5 for M.2 NVMe storage devices *RAID 5 configuration is only supported by Ryzen™ 9000 series processors. |
| Audio Chipset | Realtek ALC897 |
| Audio Channels | 7.1-Channel High Definition Audio |
| LAN Chipset | Realtek® 8126VB 5G LAN |
| Wireless LAN | Wi-Fi 7 The Wireless module is pre-installed in the M.2 (Key-E) slot Supports MU-MIMO TX/RX, 2.4GHz/ 5GHz/ 6GHz* (320MHz) up to 5.8Gbps Supports 802.11 a/ b/ g/ n/ ac/ ax/ be * 6GHz band support may depend on every country’s regulations and Wi-Fi 7 will be ready in Windows 11 version 24H2. |
| Bluetooth | Supports Bluetooth® 5.4**, MLO, 4KQAM ** The Bluetooth version may be updated, please refer to the Wi-Fi chipset vendor’s website for details. Bluetooth 5.4 will be ready in Windows 11 version 24H2. |
| HDMI | 1x HDMI™ Support HDMITM 2.1, maximum resolution of 4K 60Hz* |
| USB 3.1 | 2x USB 10Gbps Type A |
| USB 3.0 | 2x USB 5Gbps Type A |
| USB 1.1/2.0 | 4 x USB 2.0 |
| USB Type-C | 1x Type-C DisplayPort USB4® port, supporting DisplayPort 1.4 with HBR3 over USB Type-C, maximum resolution of 4K 120Hz* (1x USB 40Gbps Type C) *Available only on processors featuring integrated graphics. Graphics specifications may vary depending on the CPU installed. 1x USB 20Gbps Type C (Rear) |
| Audio Ports | 3 Ports |
| Onboard USB | 6x USB 2.0 ports 4x USB 5Gbps Type A ports 1x USB 10Gbps Type C ports |
| Other Connectors | 1x Power Connector(ATX_PWR) 2x Power Connector(CPU_PWR) 1x Power Connector(PCIE_PWR 8pin) 1x CPU Fan 1x Combo Fan (Pump_Sys Fan) 6x System Fan 1x EZ Conn-header (JAF_1) 2x Front Panel (JFP) 1x Chassis Intrusion (JCI) 1x Front Audio (JAUD) 1x Tuning Controller connector(JDASH) 3x Addressable V2 RGB LED connector (JARGB_V2) 1x RGB LED connector(JRGB) 1x TPM pin header(Support TPM 2.0) |
| Form Factor | ATX |
| Dimensions (W x L) | 243.84mmx304.8mm |
| Windows 11 | Support for Windows® 11 64-bit |
| Features | Lightning USB 40G Lightning Gen 5 EZ M.2 Shield Frozr II Triple M.2 Connectors EZ PCIe Clip II Extended Heatsink Design Latest DDR5 Memory 5G Network Solution Audio Boost 4x EZ Debug LED 1x EZ Memory Detection LED |
Other versions of this model
Same family, different memory, cooler or clock — compare before you commit.
Yes. The Ryzen 9 9950X3D enables PCIe 5.0 x16 on the primary PCI_E1 slot so a modern GPU can use the full 128GB/s bandwidth.
With Ryzen 9000 series processors the board supports up to 8200 MT/s overclocked on a 1DPC 1R configuration.
Yes. M.2_1 runs at PCIe 5.0 x4 from the CPU while M.2_2 and M.2_3 run at PCIe 4.0 x4 from the chipset, all accepting 2280 or 2260 devices.
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