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Main image of MSI B850 GAMING PLUS WIFI PZ Motherboard & AMD Ryzen 9 9900X3D CPU Combo, 12+2+1 DRPS, DDR5, PCIe 5.0, Lighting Gen 5 x4 M.2, Wi-Fi 7, 5Gb LAN, USB 10Gbps Type-C

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Alt view image 5 of 7 - MSI B850 GAMING PLUS WIFI PZ Motherboard & AMD Ryzen 9 9900X3D CPU Combo, 12+2+1 DRPS, DDR5, PCIe 5.0, Lighting Gen 5 x4 M.2, Wi-Fi 7, 5Gb LAN, USB 10Gbps Type-C

Alt view image 6 of 7 - MSI B850 GAMING PLUS WIFI PZ Motherboard & AMD Ryzen 9 9900X3D CPU Combo, 12+2+1 DRPS, DDR5, PCIe 5.0, Lighting Gen 5 x4 M.2, Wi-Fi 7, 5Gb LAN, USB 10Gbps Type-C

Alt view image 7 of 7 - MSI B850 GAMING PLUS WIFI PZ Motherboard & AMD Ryzen 9 9900X3D CPU Combo, 12+2+1 DRPS, DDR5, PCIe 5.0, Lighting Gen 5 x4 M.2, Wi-Fi 7, 5Gb LAN, USB 10Gbps Type-C

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MSI B850 GAMING PLUS WIFI PZ Motherboard & AMD Ryzen 9 9900X3D CPU Combo, 12+2+1 DRPS, DDR5, PCIe 5.0, Lighting Gen 5 x4 M.2, Wi-Fi 7, 5Gb LAN, USB 10Gbps Type-C

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+CPU: +Ryzen 9 9900X3D

+Ryzen 5 9600X
+Ryzen 7 9700X
+Ryzen 7 9800X3D
+Ryzen 9 9900X
+Ryzen 9 9900X3D
+Ryzen 9 9950X
+Ryzen 9 9950X3D

Motherboard & CPU Combo
Motherboard:B850 GAMING PLUS WIFI PZ
AMD B850
Ryzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
Support DDR5 8200 - 5600 (OC) MT/s / 5600 - 4800 (JEDEC) MT/s
Back-Connect Design: The B850 GAMING PLUS WIFI PZ features a back-connect design, which relocates the motherboard power, CPU power, fan pins, SATA, and other interfaces to the back of the motherboard
Lightning Gen 5: The latest PCIe 5.0 solution with up to 128GB/s bandwidth for max transfer speed
M.2 Shield FROZR: Strengthened built-in M.2 thermal solution. Keeps M.2 SSDs safe while preventing throttling, making them run faster.
WIfi 7: The latest wireless solution with a new 320MHz channel,
achieving a maximum transmission speed of 5.8Gbps, which is
2.4 times faster than Wi-Fi 6/6E.
AMD Ryzen 9 9900X3D CPU
TSMC 4nm FinFET Granite Ridge (Zen 5) 120W
128MB L3 Cache
12MB L2 Cache
AMD Radeon Graphics

Overview

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Motherboard & CPU Combo

Motherboard:B850 GAMING PLUS WIFI PZ

AMD B850

Ryzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series

Support DDR5 8200 - 5600 (OC) MT/s / 5600 - 4800 (JEDEC) MT/s

Back-Connect Design: The B850 GAMING PLUS WIFI PZ features a back-connect design, which relocates the motherboard power, CPU power, fan pins, SATA, and other interfaces to the back of the motherboard

Lightning Gen 5: The latest PCIe 5.0 solution with up to 128GB/s bandwidth for max transfer speed

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

WIfi 7: The latest wireless solution with a new 320MHz channel,

achieving a maximum transmission speed of 5.8Gbps, which is

2.4 times faster than Wi-Fi 6/6E.

AMD Ryzen 9 9900X3D CPU

TSMC 4nm FinFET Granite Ridge (Zen 5) 120W

128MB L3 Cache

12MB L2 Cache

AMD Radeon Graphics

Model
Brand	MSI
Model	B850 GAMING PLUS WIFI PZ+R9 9900X3D

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
Channel Supported	Dual Channel
ECC Supported	Non-ECC
Buffer Supported	Un-buffered
Memory Feature	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 5600+ MT/s Supports AMD POR Speed and JEDEC Speed Supports Memory Overclocking and AMD EXPOTM Supports Dual-Channel mode Supports Non-ECC, Un-buffered memory Supports CUDIMM, Clock Driver bypass mode only

Expansion Slots
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 x4	PCI_E3 Gen PCIe 4.0 supports up to x4 (From Chipset) * PCI_E2, PCI_E3 & PCI_E4 share the bandwidth, PCI_E3 slot will run at x2 speed when installing devices in the PCI_E2 or PCI_E4 slot.
PCI Express x1	PCI_E2 Gen PCIe 3.0 supports up to x1 (From Chipset) PCI_E4 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 2280/2260 devices M.2_2 Source (From CPU) supports up to PCIe 4.0 x4 , supports 2280/2260 devices M.2_3 Source (From Chipset) supports up to PCIe 4.0 x2 , 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/ 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 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

Onboard Audio
Audio Chipset	Realtek ALC897
Audio Channels	7.1-Channel High Definition Audio

Onboard LAN
LAN Chipset	Realtek 8126VB 5G LAN
Max LAN Speed	5Gbps
Wireless LAN	Wi-Fi 802.11 be
Bluetooth	Bluetooth 5.4

Rear Panel Ports
Back I/O Ports	Clear CMOS Button 5G LAN Wi-Fi / Bluetooth Audio connectors S/PDIF-OUT Flash BIOS Button DisplayPort 1 x USB 10Gbps (Type-A) 4 x USB 2.0 2 x USB 10Gbps (Type-C) 1 x USB 5Gbps (Type-A)

Internal I/O Connectors
Onboard USB	4 x USB 2.0 ports 4 x USB 5Gbps Type A ports 1 x USB 5Gbps 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
Dimensions (W x L)	12.0" x 9.6"
Power Pin	1 x Power Connector(ATX_PWR) 2 x Power Connector(CPU_PWR) 1 x Power Connector(PCIE_PWR 8pin)

Software Feature
Windows 11	Supported

Additional Information
First Listed on Newegg	August 21, 2026

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MSI B850 GAMING PLUS WIFI PZ Motherboard & AMD Ryzen 9 9900X3D CPU Combo, 12+2+1 DRPS, DDR5, PCIe 5.0, Lighting Gen 5 x4 M.2, Wi-Fi 7, 5Gb LAN, USB 10Gbps Type-C

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Item#: 9SIBP4YM524262

Meet Your Seller

MSI B850 GAMING PLUS WIFI PZ Motherboard & AMD Ryzen 9 9900X3D CPU Combo, 12+2+1 DRPS, DDR5, PCIe 5.0, Lighting Gen 5 x4 M.2, Wi-Fi 7, 5Gb LAN, USB 10Gbps Type-C

Learn more about the MSI B850 GAMING PLUS WIFI PZ+R9 9900X3D

Customer Reviews of the MSI B850 GAMING PLUS WIFI PZ+R9 9900X3D

Warranty & Returns

Warranty, Returns, And Additional Information

Warranty

Return Policies

Manufacturer Contact Info