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Main image of MSI B850 GAMING PLUS WIFI6E Motherboard & AMD Ryzen 9 9950X3D CPU Combo, AM5 - DDR5 Memory Boost 8200+ MT/s (OC), PCIe 4.0 x16, M.2 Gen5, Wi-Fi 6E, 2.5G LAN

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MSI B850 GAMING PLUS WIFI6E Motherboard & AMD Ryzen 9 9950X3D CPU Combo, AM5 - DDR5 Memory Boost 8200+ MT/s (OC), PCIe 4.0 x16, M.2 Gen5, Wi-Fi 6E, 2.5G LAN

Item #: 9SIVF24M505130
Mfr. Part #: B850 GAMING PLUS WIFI6E+R9 9950X3D
UNSPSC: 43201513

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Motherboard & CPU Combo
Motherboard:B850 GAMING PLUS WIFI6E
Latest DDR5 Memory: A huge step of DDR performance enhancement with the latest DDR5 memory and MSI Memory Boost technology.
Wi-Fi 6E: The latest wireless solution supports 6GHz spectrum, MU-MIMO
and BSS color technology, delivering speeds up to 2400Mbps.
2.5G Network Solution: Featuring premium 2.5G LAN to deliver better network
experience.
Dual M.2 Connectors: Onboard 2x M.2 Connectors with one PCIe 5.0 solution,
strengthened by M.2 Shield Frozr.
Extended Heatsink Design: MSI extended PWM heatsink and enhanced circuit design ensures even high-end processors to run in full speed.
M.2 Shield FROZR: Strengthened built-in M.2 thermal solution. Keeps M.2 SSDs safe while preventing throttling, making them run faster.
Pre-installed I/O Shielding: Better EMI protection and more convenience for installation
EZ Antenna: EZ Antenna makes the process effortless by simply attaching
fasteners to the motherboard without rotation.
AMD Ryzen 9 9950X3D CPU
TSMC 4nm FinFET Granite Ridge (Zen 5) 170W
128MB L3 Cache
16MB L2 Cache
AMD Radeon Graphics

Overview

Specs

Reviews

Motherboard & CPU Combo

Motherboard:B850 GAMING PLUS WIFI6E

Latest DDR5 Memory: A huge step of DDR performance enhancement with the latest DDR5 memory and MSI Memory Boost technology.

Wi-Fi 6E: The latest wireless solution supports 6GHz spectrum, MU-MIMO

and BSS color technology, delivering speeds up to 2400Mbps.

2.5G Network Solution: Featuring premium 2.5G LAN to deliver better network

experience.

Dual M.2 Connectors: Onboard 2x M.2 Connectors with one PCIe 5.0 solution,

strengthened by M.2 Shield Frozr.

Extended Heatsink Design: MSI extended PWM heatsink and enhanced circuit design ensures even high-end processors to run in full speed.

M.2 Shield FROZR: Strengthened built-in M.2 thermal solution. Keeps M.2 SSDs safe while preventing throttling, making them run faster.

Pre-installed I/O Shielding: Better EMI protection and more convenience for installation

EZ Antenna: EZ Antenna makes the process effortless by simply attaching

fasteners to the motherboard without rotation.

AMD Ryzen 9 9950X3D CPU

TSMC 4nm FinFET Granite Ridge (Zen 5) 170W

128MB L3 Cache

16MB L2 Cache

AMD Radeon Graphics

Model
Brand	MSI
Model	B850 GAMING PLUS WIFI6E+R9 9950X3D

Supported CPU
CPU Socket Type	AM5

Chipsets
Chipset	AMD B850

Memory
Number of Memory Slots	4x288pin (DDR5)
Memory Standard	Support DDR5 8200 - 5600 (OC) MT/s / 5600 - 4800 (JEDEC) MT/s
Maximum Memory Supported	256GB
ECC Supported	Non-ECC
Buffer Supported	Un-buffered
Memory Feature	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 6000+ MT/s Supports AMD POR Speed and JEDEC Speed 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.

Expansion Slots
PCI Express 4.0 x16	PCI_E1 Gen PCIe 4.0 supports up to x16 (From CPU) PCI_E1 slot - Supports PCIe 4.0 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 x4	PCI_E3 Gen PCIe 4.0 supports up to x4 (From Chipset)
PCI Express x1	PCI_E2 Gen PCIe 3.0 supports up to x1 (From Chipset)

Storage Devices
Serial ATA (SATA)	4 x SATA 6Gb/s
M.2	M.2_1 Source (From CPU) supports up to PCIe 5.0 x4 , supports 22110/2280 devices M.2_2 Source (From CPU) supports up to PCIe 4.0 x4 , supports 2280/2260 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) M2_2 slot - Supports up to PCIe 4.0 x4 (For Ryzen 9000/ 8700/ 8600/ 8400/ 7000 Series processors) - Supports up to PCIe 4.0 x2 (For Ryzen 8500/ 8300 Series processors)
SATA RAID	Supports RAID 0, RAID 1 and RAID 10 for SATA storage devices
Additional RAID Controller	Supports RAID 0 and RAID 1 for M.2 NVMe storage devices

Onboard LAN
LAN Chipset	Realtek 8125D 2.5G LAN
Max LAN Speed	2.5Gbps
Wireless LAN	Wi-Fi 802.11 be
Bluetooth	Bluetooth 5.3

Internal I/O Connectors
Onboard USB	4 x USB 2.0 ports 2 x USB 5Gbps Type A ports 1 x USB 10Gbps Type C ports
Other Connectors	1 x CPU Fan 1 x Combo Fan (Pump_Sys Fan) 4 x System Fan 1 x EZ Conn-header (JAF_1) 2 x Front Panel (JFP) 1 x Chassis Intrusion (JCI) 1 x Front Audio (JAUD) 1 x Com Port (JCOM) 1 x Tuning Controller connector(JDASH) 3 x Addressable V2 RGB LED connector (JARGB_V2) 1 x RGB LED connector(JRGB) 1 x TPM pin header(Support TPM 2.0)

Physical Spec
Form Factor	ATX
LED Lighting	4 x EZ Debug LED 1 x EZ Memory Detection LED
Dimensions (W x L)	12.0" x 9.6"
Power Pin	1 x Power Connector(ATX_PWR) 2 x Power Connector(CPU_PWR)

Software Feature
Windows 11	Supported

Packaging
Package Contents	EZ Wi-Fi Antenna Cable Sticker EZ M.2 Clip II Remover 1 to 2 EZ Conn-Cable (V1) SATA Cable European Union Regulatory Notice Quick Installation Guide

Additional Information
First Listed on Newegg	August 20, 2026

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MSI B850 GAMING PLUS WIFI6E Motherboard & AMD Ryzen 9 9950X3D CPU Combo, AM5 - DDR5 Memory Boost 8200+ MT/s (OC), PCIe 4.0 x16, M.2 Gen5, Wi-Fi 6E, 2.5G LAN

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Item#: 9SIVF24M505130

Meet Your Seller

MSI B850 GAMING PLUS WIFI6E Motherboard & AMD Ryzen 9 9950X3D CPU Combo, AM5 - DDR5 Memory Boost 8200+ MT/s (OC), PCIe 4.0 x16, M.2 Gen5, Wi-Fi 6E, 2.5G LAN

Learn more about the MSI B850 GAMING PLUS WIFI6E+R9 9950X3D

Customer Reviews of the MSI B850 GAMING PLUS WIFI6E+R9 9950X3D

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info