# Motherboard MSI PRO B850-S WIFI6E ATX, AMD B850, Socket AM5, DDR5, 4x DIMM, 2x M.2, Wi‑Fi 6E, 2.5Gb LAN

**URL:** https://aio.lv/en/product--msi-pro-b850-s-wifi6e--11510811
**Data updated:** 2026-01-21 12:08 (EET)
**Category:** Motherboards
**Manufacturer:** MSI
**Manufacturer code:** PRO B850-S WIFI6E
**EAN:** 4711377365338
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 135.49 €
**Prices and availability valid until:** 2026-07-23 23:59
**Price without VAT (21%):** 111.98 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--msi-pro-b850-s-wifi6e--11510811

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.89 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

MSI PRO B850-S WIFI6E is an ATX motherboard for Socket AM5 processors (AMD Ryzen 7000 Series) with AMD B850 chipset. Supports DDR5 up to 256 GB across 4 DIMM slots in dual-channel, two M.2 (PCIe 5.0 + PCIe 4.0) and four SATA III drives with RAID 10. Built-in Wi‑Fi 6E, Bluetooth 5.3, Realtek 2.5Gb LAN, HDMI 2.1 and DisplayPort 1.4. Onboard Realtek ALC897 7.1 audio, multiple USB ports, RGB header, Clear CMOS button, antennas and SATA cables included.

## Long description

The MSI PRO B850-S WIFI6E is an ATX motherboard for Socket AM5 systems, compatible with AMD Ryzen 7000, 8000 and 9000 series processors. It supports DDR5 memory up to 256 GB across four DIMM slots, M.2 and SATA storage with RAID support, 2.5 Gigabit Ethernet and Wi‑Fi 6E for high-bandwidth network connections. The board includes robust power delivery, PCIe 5.0/Gen4 storage options, EZ installation features and multiple onboard protections to suit professional and productivity-focused PC builds.
Advantages
The PRO B850-S WIFI6E combines a 12+2+1 digital power stage design, dual CPU power connectors and optimized PCB to deliver stable power for high-end processors. DDR5 support with MSI Memory Boost and Latency Killer improves memory performance and compatibility. Built-in Wi‑Fi 6E and 2.5G LAN provide low-latency networking, while M.2 Shield Frozr and MOSFET thermal pads enhance thermal reliability for sustained workloads. Practical EZ features such as EZ PCIe Clip II, EZ M.2 Clip II, EZ Antenna and onboard diagnostic LEDs simplify installation and troubleshooting.
Suitable for
Productivity and multitasking workstations
Content creation and multimedia editing
Office and professional desktop PCs
Custom PC builds requiring Wi‑Fi 6E and 2.5G networking
Key specifications
Processor support: AMD Ryzen 7000 / 8000 / 9000 Series (Socket AM5)
Form factor: ATX
Chipset: AMD B850
Memory: DDR5, 4 DIMM, up to 256 GB, dual channel, 8200+ MT/s (OC)
Power design: 12+2+1 digital power phases, dual 8-pin CPU power connectors
Expansion: PCIe 4.0/Gen5 capable slots, Lightning Gen 5 x4 M.2, PCIe Steel Armor
Storage: M.2 and SATA with RAID support
Networking: 2.5 Gigabit Ethernet, Wi‑Fi 6E (802.11ax), Bluetooth 5.3
Audio: Realtek ALC897, 7.1 channels
I/O features: Clear CMOS button, anti‑corrosive stainless steel I/O shield
How to use
Install the motherboard into a compatible ATX case using the supplied standoffs and screws, ensuring the protective paint around screw holes aligns to prevent damage. Fit a compatible AM5 CPU and attach the CPU cooler to the dedicated pump‑fan or CPU fan headers. Install DDR5 modules into the DIMM slots in recommended dual‑channel pairs and secure M.2 devices using the EZ M.2 Clip II. Connect power using the 24‑pin and dual 8‑pin connectors and attach storage and expansion cards; use the EZ PCIe Clip II for easier GPU removal. Attach the EZ Antenna for Wi‑Fi 6E reception and connect network, USB and audio peripherals via the rear I/O.
Usage recommendations
For optimal stability with high-frequency DDR5 kits, enable MSI Memory Boost features and Latency Killer in BIOS, update to the latest CLICK BIOS X version, and ensure proper cooling with MSI cooling headers and Frozr AI Cooling enabled. Use quality power supplies to support the 12+2+1 power design and connect both CPU power connectors for heavy workloads.

## Specifications

### Features

| Feature | Value |
|---|---|
| Motherboard form factor | ATX |
| Motherboard chipset | AMD B850 |
| Component for | PC |
| Audio output channels | 7.1 |
| Motherboard chipset family | AMD |
| Power source type | ATX |

| Feature | Value |
|---|---|
| Product colour | Black |

### Processor

| Feature | Value |
|---|---|
| Processor manufacturer | AMD |
| Processor socket | Socket AM5 |

### Memory

| Feature | Value |
|---|---|
| Number of memory slots | 4 |
| Maximum internal memory | 256 GB |
| Supported memory types | DDR5-SDRAM |
| Memory channels | Dual-channel |
| Unbuffered memory | Yes |
| Memory slots type | DIMM |
| ECC сompatibility | non-ECC |

### Expansion slots

| Feature | Value |
|---|---|
| PCI Express x1 (Gen 3.x) slots | 1 |
| Number of M.2 (M) slots | 2 |
| PCI Express x16 (Gen 4.x) slots | 1 |
| PCI Express x4 (Gen 4.x) slots | 1 |
| 1st M.2 highest PCI Express generation | 5.0 |
| 2nd M.2 highest PCI Express generation | 4.0 |

### Network

| Feature | Value |
|---|---|
| Bluetooth version | 5.3 |
| Ethernet LAN | Yes |
| Bluetooth | Yes |
| LAN controller | Realtek RTL8125 |
| Wi-Fi | Yes |
| Ethernet interface type | 2.5 Gigabit Ethernet |
| Top Wi-Fi standard | Wi-Fi 6E (802.11ax) |

### Internal I/O

| Feature | Value |
|---|---|
| USB 2.0 connectors | 4 |
| CPU fan connector | Yes |
| Number of COM connectors | 1 |
| Chassis intrusion connector | Yes |
| Front panel audio connector | Yes |
| Power fan connector | Yes |
| TPM connector | Yes |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 2 |
| Number of SATA III connectors | 4 |
| Clear CMOS button | Yes |
| Audio connector | Yes |
| Front panel connector | Yes |
| RGB LED pin header | Yes |
| Number of CPU fan connectors | 1 |

### Rear panel I/O ports

| Feature | Value |
|---|---|
| Ethernet LAN (RJ-45) ports | 1 |
| HDMI ports quantity | 1 |
| HDMI version | 2.1 |
| DisplayPorts quantity | 1 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 4 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 3 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity | 1 |

### Storage controllers

| Feature | Value |
|---|---|
| RAID levels | 10, 1 |
| Supported storage drive types | HDD & SSD |
| RAID support | Yes |
| Supported storage drive interfaces | SATA, M.2 |

### Weight & dimensions

| Feature | Value |
|---|---|
| Width | 243.84 mm |
| Depth | 304.8 mm |

### Other features

| Feature | Value |
|---|---|
| Wi-Fi standards | 802.11a, Wi-Fi 6E (802.11ax), Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n), 802.11g, 802.11b |
| DisplayPort version | 1.4 |
| Audio chip | Realtek ALC897 |

### Packaging content

| Feature | Value |
|---|---|
| Cables included | SATA |
| Screws included | Yes |
| Antenna included | Yes |

## FAQ

### How much does the MSI PRO B850-S WIFI6E ATX motherboard cost, and is it available for purchase?

The price is 135.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 470 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on 09.07.2026 at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can MSI PRO B850-S WIFI6E ATX motherboard be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All MSI products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized MSI service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: motherboard form factor, motherboard chipset, component for, processor socket, number of memory slots, maximum internal memory, pci express x1 (gen 3.x) slots, supported memory types, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

### Where can I download the instructions for MSI PRO B850-S WIFI6E ATX motherboard?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/11510811/66614140_large.webp