| Weight | 2.75 lbs |
|---|---|
| Dimensions | 11 × 10.9 × 3.1 in |
| Brand | MSI |
| Part Number | PRO B850M-A WIFI |
| 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 | 4 DIMMs, Dual Channel DDR5 – 8200+ MT/s (OC) |
| Channel Supported | Dual Channel |
| PCI Express 5.0 x16 | 1 x PCI Express 5.0 x16 |
| PCI Express 4.0 x16 | 1 x PCIe 4.0 x4 slot |
| PCI Express 3.0 x16 | 1 x PCIe 3.0 x1 slot |
| Serial ATA (SATA) | 4 x SATA 6Gb/s |
| M.2 | 1 x M.2 Gen5 x4 128Gbps slot, 1 x M.2 Gen4 x4 64Gbps slot, |
| Audio Chipset | ALC897 |
| Audio Channels | 8-Channel (7.1) HD Audio with Audio Boost |
| LAN Chipset | Realtek® 8126 5G LAN |
| Wireless LAN | WiFI 7 |
| Bluetooth | Bluetooth 5.4 |
| HDMI | 1 x HDMI |
| RJ45 | 1 x RJ45 |
| DisplayPort | 1 x DisplayPort |
| USB 3.1 | 3 x USB 10Gbps Type-A 3 x USB 5Gbps Type-A |
| USB Type-C | 2 x USB 10Gbps Type-C |
| Audio Ports | 8-Channel(7.1)HD Audio with Audio Boost |
| Onboard USB | 4x USB 2.0 2x USB 5Gbps Type-A 1x USB 10Gbps type-C |
| Form Factor | Micro ATX |
| Features | Clear CMOS Button & Flash BIOS Button on back panel. |
| MPN | PRO B850M-A WIFI |
| UPC | 824142425459 |
MSI PRO B850M-A WIFI AM5 Micro-ATX Motherboard, Wi-Fi 7, 5G LAN, Dual M.2
Original price was: $169.99.$135.99Current price is: $135.99.
Save 20%Sale ends Dec 23AMD B850 Ryzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series
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 and American Express and Discover.
Overview
Business Elegance
The PRO B850M-A WIFI is a creation-oriented Micro-ATX motherboard that is constructed with the latest AMD B850 chipset which supports AMD Ryzen 9000 / 8000 / 7000 series desktop processors, featuring PCIe 5.0, 5G LAN, Wi-Fi 7, DDR5 and Frozr design 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 B850M-A WIFI motherboard supports AMD Ryzen 9000 / 8000 / 7000 Series processors. Form Factor: mATX Socket Type: AM5 Chipset: AMD B850
Ultra Power – Direct CPU Power with 60A Smart Power Stage
With exclusive Core Boost technology, 8+4 pin power connectors and EZ OC Tuning functions, the PRO B850M-A WIFI is able to sustain heavy CPU power loads to support system-demanding game settings: Digital PWM IC 8 Phase Direct CPU Power (60A / SPS) 2 Phase SOC Power 1 Phase MISC Power
Frozr Design
Frozr Guard: Extended Heatsink design, 7W/mK MOSFET thermal pads, extra choke thermal pads and EZ M.2 Shield Frozr II 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 5.0 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 5.0/4.0/3.0 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 * MSI Surface Mount Technology (SMT) solder welding improves signal clarity.
Gen5 M.2 Connector
The PRO B850M-A WIFI motherboard features MSI's M.2 slots: 1 x Gen5 x4 128Gbps slot (with EZ M.2 Shield Frozr II) 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 Shield Frozr II: MSI patented Shield Frozr cover features a tool-free design so users don't have to worry about lost screws or overtightening. 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 ante
High-speed Connectivity
5G LAN: A Realtek 5Gbps LAN controller delivers a premium network experience. Wi-Fi 7: Features the latest Wi-Fi 7 solution (ultra-low latency, high-bandwidth) & Bluetooth 5.4 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.















