| Weight | 3.2 lbs |
|---|---|
| Dimensions | 13.5 × 10.8 × 3 in |
| Brand | MSI |
| CPU Socket Type | AM5 |
| CPU Type | Ryzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series |
| Chipset | AMD B850 |
| 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 | Supports CUDIMM, Clock Driver bypass mode only |
| 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) |
| 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 |
| SATA RAID | Supports RAID 0, RAID 1, and RAID 10 for SATA storage devices Supports RAID 0 and RAID 1 for M.2 NVMe storage devices |
| Audio Chipset | Realtek ALC897 |
| Audio Channels | 7.1 Channels |
| Max LAN Speed | 2.5Gbps |
| Wireless LAN | Wi-Fi 802.11 ax |
| Bluetooth | Bluetooth 5.3 |
| Back I/O Ports | Clear CMOS Button 1 x DisplayPort 1 x 2.5G LAN 1 x USB 10Gbps Type-A 4 x USB 5Gbps Type-A 2 x Wi-Fi / Bluetooth 3 x Audio Connectors Flash BIOS Button 1 x HDMI 2 x USB 10Gbps Type-A 1 x USB 10Gbps Type-C |
| 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 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 head |
| 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) |
| Windows 11 | Supported |
| MPN | PRO B850-S WIFI6E |
| UPC | 824142433577 |
MSI PRO B850-S WIFI6E AM5 ATX Motherboard, DDR5, M.2 Gen5, Wi-Fi 6E, 2.5G LAN
Original price was: $169.99.$135.99Current price is: $135.99.
Save 20%Sale ends Dec 23Supports AMD Ryzen 9000 / 8000 / 7000 Series Desktop Processors Supports DDR5 Memory, Dual Channel DDR5 8200+ MT/s (OC)
In stock
- Free shipping on orders $49+ Standard Ground $4.00 on orders under $49. Ships in 1–2 business days (order by 5:00 PM CT on a business day to start today), then 3–5 business days in transit.
- 30-day returns We pay return shipping on defective, damaged or wrong items. No restocking fee.
- Manufacturer warranty New and factory sealed, with the full manufacturer's warranty.
- Secure checkout Visa, Mastercard, American Express and Discover.
Overview
Business Elegance
The PRO B850-S WIFI6E is a business-oriented ATX motherboard with a 12 Duet Rail Power System, constructed around the latest AMD B850 chipset which supports AMD Ryzen 9000 / 8000 / 7000 series desktop processors, featuring PCIe 5.0 M.2, 2.5G LAN, Wi-Fi 6E and DDR5 that delivers the capacity to support a broad spectrum of both cutting-edge and innovative hardware.
Supports AMD Ryzen 9000 / 8000 / 7000 Series Desktop Processors
The PRO B850-S WIFI6E motherboard supports AMD Ryzen 9000 / 8000 / 7000 Series processors. Form Factor: ATX Socket Type: AM5 Chipset: AMD B850
Ultra Power – 12 Duet Rail Power System with P-PAK
With exclusive Core Boost technology and EZ OC Tuning functions, the PRO B850-S WIFI6E is able to sustain heavy CPU power loads to support system-demanding settings: Digital PWM IC 12 Duet Rail Power System (P-PAK) 2 Phase SOC Power 1 Phase MISC Power
Frozr Design
Frozr Guard: VRM heatsink, 7W/mK MOSFET thermal pads, and M.2 Shield Frozr for improved thermal dissipation. Frozr Sync: Connect and synchronize cooling with strategically placed pin-headers – including CPU fan header (2A), Combo fan (3A, supports both pump fan and system fan) and system fans. Frozr Control: Manage speeds and temperature for all fans of your system in MSI Center with Cooling Wizard and Frozr AI Cooling.
4 x DDR5 Dual Channel (8200+ MT/s OC)*
Memory Boost: A fully-isolated DDR circuit delivers pure data signals for optimal gaming and overclocking performance. High-Efficiency Mode: Enabling High-Efficiency-Mode in the MSI BIOS increases memory bandwidth and reduces latency. Four different modes allow users to find out the optimal configuration based on the quality of their memory modules. EXPO Profiles in the MSI BIOS are MSI OC LAB optimized and can be easily enabled with auto power settings for optimized memory speed and stability.
Fortified PCIe 4.0 x16 Slot
MSI PCI Express Steel Armor slots are secured to the motherboard with extra solder points to support the weight of heavy graphics cards. When every advantage in games counts, Steel Armor also shields the point of contact from electromagnetic interference. 1 x PCIe 4.0/3.0 x16 slot (with Steel Armor and EZ PCIe Clip II) 1 x PCIe 4.0/3.0 x4 slot 1 x PCIe 3.0 x1 slot
Gen5 M.2 Connector
The PRO B850-S WIFI6E motherboard features MSI's M.2 slots: 1 x Gen5 x4 128Gbps slot (with M.2 Shield Frozr) 1 x Gen4 x4 64Gbps slot
EZ DIY
The DIY Friendly designs optimize the assemble process and experience. EZ PCIe Clip II: Allows for easy removal of the graphics card by pressing the tail-like lock with one finger, even in the cramped case spaces. EZ M.2 Clip II: Install or remove the SSD with a simple push of the latch, without using any screws. EZ Antenna: MSI's latest Wi-Fi antenna not only boasts a beautiful appearance but also features a magnetic design, making it easier to adjust the antenna's placement.
High-speed Connectivity
2.5G LAN: A Realtek 2.5Gbps LAN controller delivers a premium network experience. Wi-Fi 6E: Features the Wi-Fi 6E solution (ultra-low latency, high-bandwidth) & Bluetooth 5.3 technology. USB 10Gbps Type-C: Connect to devices and transfer files at high bandwidth rates. HD Audio: 7.1-Channel High Definition Audio with Audio Boost.

















