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ATX motherboard with back-connect design, black PCB and silver heatsinks

MSI

MSI B850 GAMING PLUS WIFI PZ AMD motherboard

SKU CH-SX67-GAJ0D MPN B850 GAMING PLUS WIFI PZ

ATX AM5 board with back-connect layout, 12+2+1 power, DDR5 to 8200 MT/s, PCIe 5.0 M.2, Wi-Fi 7 and 5Gb LAN

  • CPU Socket TypeAM5
  • CPU TypeRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
  • ChipsetAMD B850
  • Number of Memory Slots4x288pin (DDR5)
  • Memory StandardSupport DDR5 8200 - 5600 (OC) MT/s / 5600 - 4800 (JEDEC) MT/
  • Maximum Memory Supported256GB

Option B850 GAMING PLUS WIFI PZ

  • Cleaner front view with back-connect design moving power and fan headers to the rear
  • Easier cable management by eliminating front-to-back cable routing across the motherboard
  • DDR5 memory support up to 8200 MT/s overclocked for Ryzen 9000 series processors
  • PCIe 5.0 x4 M.2 slot delivering up to 128GB/s bandwidth for fastest storage
  • Wi-Fi 7 with 320MHz channel enabling 5.8Gbps maximum wireless transmission speed

AM5 Back-Connect Motherboard

The MSI B850 GAMING PLUS WIFI PZ is an ATX motherboard built on the AMD B850 chipset for AM5 socket processors. It supports Ryzen 7000 Series, Ryzen 8000 Series and Ryzen 9000 Series CPUs. The back-connect design moves power, fan and storage headers to the rear for a cleaner front appearance and simpler cable routing.

DDR5 256GB Capacity With EXPO

Four 288-pin slots accept up to 256 GB of dual-channel DDR5 memory. JEDEC speeds run at 4800-5600 MT/s while AMD EXPO profiles reach 5600-8200 MT/s overclocked. With Ryzen 9000 Series processors a single-rank single-DIMM configuration can exceed 8200 MT/s, while two-rank or two-DIMM setups top out lower at 6400 MT/s or below.

PCIe 5.0 M.2 And Wi-Fi 7 Connectivity

The primary M.2 slot runs at PCIe 5.0 x4 from the CPU for 2280 or 2260 drives. A second CPU-linked slot provides PCIe 4.0 x4 and a chipset slot offers PCIe 4.0 x2. Four SATA 6Gb/s ports support RAID 0, 1, 10 and NVMe RAID 0, 1, 5. Wi-Fi 7 with a 320 MHz channel delivers up to 5.8 Gbps alongside 5Gb LAN and USB 10Gbps Type-C.

Highlights

  • Cleaner front view with back-connect design moving power and fan headers to the rear
  • Easier cable management by eliminating front-to-back cable routing across the motherboard
  • DDR5 memory support up to 8200 MT/s overclocked for Ryzen 9000 series processors
  • PCIe 5.0 x4 M.2 slot delivering up to 128GB/s bandwidth for fastest storage
  • Wi-Fi 7 with 320MHz channel enabling 5.8Gbps maximum wireless transmission speed

Specifications

BrandMSI
ModelB850 GAMING PLUS WIFI PZ
CPU Socket TypeAM5
CPU TypeRyzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
ChipsetAMD B850
Number of Memory Slots4x288pin (DDR5)
Memory StandardSupport DDR5 8200 - 5600 (OC) MT/s / 5600 - 4800 (JEDEC) MT/s
Maximum Memory Supported256GB
Channel SupportedDual Channel
Memory Performance ProfileAMD EXPO
ECC SupportedNon-ECC
Buffer SupportedUn-buffered
Memory FeatureMemory 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
PCI Express 5.0 x16PCI_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 x4PCI_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 x1PCI_E2 Gen PCIe 3.0 supports up to x1 (From Chipset)
PCI_E4 Gen PCIe 3.0 supports up to x1 (From Chipset)
Serial ATA (SATA)4 x SATA 6Gb/s
M.2M.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 RAIDSupports 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 ChipsetRealtek ALC897
Audio Channels7.1-Channel High Definition Audio
LAN ChipsetRealtek 8126VB 5G LAN
Max LAN Speed5Gbps
Wireless LANWi-Fi 802.11 be
BluetoothBluetooth 5.4
Back I/O PortsClear 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)
Onboard USB4 x USB 2.0 ports
4 x USB 5Gbps Type A ports
1 x USB 5Gbps Type C ports
Other Connectors1 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)
Form FactorATX
Dimensions (W x L)12.0" x 9.6"
Power Pin1 x Power Connector(ATX_PWR)
2 x Power Connector(CPU_PWR)
1 x Power Connector(PCIE_PWR 8pin)
Windows 11Supported
Shipping weight2.13 kg
Package size356 × 279 × 76 mm

Other versions of this model

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Questions about this item

Will my existing Ryzen 7000 series processor work with the AM5 socket on this B850 motherboard?

Yes, the board supports Ryzen 7000, 8000 and 9000 series desktop processors on the AM5 socket.

How can I verify the PCIe 5.0 x16 slot is running at full speed with my Ryzen 9000 CPU?

Check the BIOS or GPU-Z to confirm the PCI_E1 slot reports PCIe 5.0 x16 link width when a Ryzen 9000 series processor is installed.

Does the box include Wi-Fi 7 antennas and SATA cables for the four 6Gb/s ports?

The board ships with Wi-Fi 7 antennas; SATA cables are not included and must be purchased separately.

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