MSI B850 Gaming Plus Wifi DDR5 AMD Motherboard
MPN MSI-B850-GAMING-PLUS-WIFI · Brand MSI
The MSI B850 Gaming Plus WiFi is an AM5 ATX motherboard featuring AMD B850 chipset, Wi-Fi 7, PCIe 5.0, and DDR5 support up to 8200+ MT/s, built for AMD Ryzen 9000, 8000, and 7000 series processors
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Overview
The MSI B850 Gaming Plus WiFi is an ATX motherboard built on the AMD B850 chipset, designed for the AM5 socket and compatible with AMD Ryzen 9000, 8000, and 7000 series desktop processors. It pairs next-generation connectivity with MSI's tool-free EZ DIY ecosystem, making it a capable platform for gamers and PC builders who want future-ready features without moving to the top-tier X870E chipset. At the heart of its connectivity offering is Wi-Fi 7 (802.11be), delivered via a pre-installed M.2 Key-E wireless module. The adapter supports tri-band operation across 2.4 GHz, 5 GHz, and 6 GHz bands with 320 MHz channel width, MU-MIMO transmit and receive, MLO (Multi-Link Operation), and 4K-QAM modulation, achieving wireless speeds up to 5.8 Gbps. Bluetooth 5.4 is included. For wired networking the board carries a 5G (5 Gigabit) Ethernet LAN port managed by MSI's AI LAN Manager software, which classifies and prioritises latency-sensitive gaming traffic automatically. Memory support spans four DDR5 UDIMM slots with a maximum capacity of 256 GB. Under the AMD EXPO overclocking profile, Ryzen 9000 series CPUs can push DDR5 to 8200+ MT/s in a single-rank, single-DIMM-per-channel configuration, while JEDEC-standard speeds range from 4800 to 5600 MT/s. The board also supports CUDIMM in Clock Driver bypass mode. Storage is handled by three M.2 slots: M.2_1 (CPU, up to PCIe 5.0 x4 for Ryzen 9000/7000), M.2_2 (CPU, up to PCIe 4.0 x4), and M.2_3 (chipset, up to PCIe 4.0 x2), supplemented by four SATA 6 Gb/s ports. The primary PCIe x16 slot runs at PCIe 5.0 x16 with Ryzen 9000 or 7000 processors. MSI's EZ M.2 Shield Frozr II heatsinks and tool-free EZ M.2 CLIP II retention system allow SSD installation and removal with a single finger. Power delivery uses a 12+2+1 Duet Rail digital VRM fed by dual 8-pin CPU power connectors plus a supplemental 8-pin PCIe power connector. MSI's Performance Preset (PBO Auto / PBO Enable) and Pro Thermal Point profiles let users configure power limits and CPU temperature ceilings (85°C, 75°C, or 65°C) directly in Click BIOS 5, while Config TDP provides ECO Mode (65 W) and custom PPT/TDC/EDC settings. Audio is provided by the Realtek ALC897 codec supporting 7.1-channel High Definition Audio. The rear I/O includes a DisplayPort 1.2 output (up to 4K 60 Hz, dependent on APU support), two USB 10 Gbps Type-C ports, one USB 10 Gbps Type-A port, one USB 5 Gbps Type-A port, and four USB 2.0 Type-A ports. Internal headers add four USB 5 Gbps Type-A, one USB 5 Gbps Type-C, and four USB 2.0 connections for front-panel use. RGB lighting headers include three ARGB V2 connectors and one standard RGB connector. Verified Specifications: - Chipset: AMD B850 - Socket: AM5 (Ryzen 9000 / 8000 / 7000) - Memory: 4x DDR5 UDIMM, max 256 GB, DDR5-4800–5600 (JEDEC), up to DDR5-8200+ MT/s (OC/EXPO) - Primary PCIe slot: PCIe 5.0 x16 (CPU, Ryzen 9000/7000) - M.2 slots: 3 (PCIe 5.0 x4 / PCIe 4.0 x4 / PCIe 4.0 x2) - SATA: 4x SATA 6 Gb/s - Wireless: Wi-Fi 7 (802.11be), tri-band, up to 5.8 Gbps, MU-MIMO, MLO, 4K-QAM - Bluetooth: 5.4 - LAN: 5 Gigabit Ethernet with AI LAN Manager - Audio: Realtek ALC897, 7.1-channel HD Audio - VRM: 12+2+1 Duet Rail, dual 8-pin CPU power - USB (rear): 2x USB 10Gbps Type-C, 1x USB 10Gbps Type-A, 1x USB 5Gbps Type-A, 4x USB 2.0 - Display: 1x DisplayPort 1.2 (4K 60 Hz, APU-dependent) - RGB: 3x ARGB V2, 1x RGB header - Form factor: ATX
Datasheet
| Chipset | AMD B850 |
|---|---|
| CPU Type | Supports AMD Ryzen™ 9000/ 8000/ 7000 Series Desktop Processors Socket AM5 |
| Raid | 4x USB 2.0 (Rear) 4x USB 2.0 (Front) 1x USB 5Gbps Type A (Rear) 4x USB 5Gbps Type A (Front) 1x USB 5Gbps Type C (Front) 1x USB 10Gbps Type A (Rear) 2x USB 10Gbps Type C (Rear) |
| Slot | 4x PCI-E x16 slot 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) 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) |
| Audio | Realtek® ALC897 7.1-Channel High Definition Audio |
| Memory | 4x DDR5 UDIMM, Maximum Memory Capacity 256GB 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 4800+ 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* |
| Storage | 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 CPU) supports up to PCIe 4.0 x4 , supports 22110/2280 devices M.2_3 Source (From Chipset) supports up to PCIe 4.0 x2 , supports 2280/2260 devices 4x SATA 6G 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) |
| Internal Io | 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) 4x System Fan 1x EZ Conn-header (JAF_1) 2x Front Panel (JFP) 1x Chassis Intrusion (JCI) 1x Front Audio (JAUD) 1x Com Port (JCOM) 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) 4x USB 2.0 ports 4x USB 5Gbps Type A ports 1x USB 5Gbps Type C ports |
| Onboard Graphics | 1x DisplayPort Support DisplayPort 1.2, maximum resolution of 4K 60Hz* |
| Wireless Lan & Bluetooth | Wi-Fi 7 Solution 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 Supports Bluetooth® 5.4**, MLO, 4KQAM |




