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MSI B850 GAMING PLUS WIFI PZ AM5 AMD B850 ATX Back-Connect motherboard, 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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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.

The Open Box Product Disclaimer applies to this product. Please note that this product is non-returnable and non-refundable.

Specs

Learn more about the MSI B850 GAMING PLUS WIFI PZ

Model
Brand	MSI
Model	B850 GAMING PLUS WIFI PZ

Supported CPU
CPU Socket Type	AM5
CPU Type	Ryzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series

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
Memory Performance Profile	AMD EXPO
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

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	January 11, 2026