# Motherboard MSI PRO B850-S EVO WIFI — AMD B850 Chipset, Socket AM5, ATX, DDR5, Wi‑Fi 7, 2.5GbE

**URL:** https://aio.lv/en/product--msi-7e97-001r--12118643
**Data updated:** 2026-04-20 15:27 (EEST)
**Category:** Motherboards
**Manufacturer:** MSI
**Manufacturer code:** 7E97-001R
**EAN:** 4711377422765
**Warranty:** 3 Years
**Availability:** Available for order
**Price:** 186.49 €
**Prices and availability valid until:** 2026-07-15 23:59
**Price without VAT (21%):** 154.12 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--msi-7e97-001r--12118643

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Thursday | free |
| Pickup points | 25.06.2026 | 1.99 EUR |
| Courier delivery to door | 25.06.2026 | 4.99 EUR |

## Summary description

ATX motherboard MSI PRO B850-S EVO WIFI with AMD B850 chipset and Socket AM5 supports AMD Ryzen 7000/8000/9000 Series processors. Features DDR5 memory up to 256 GB across DIMM slots, M.2 and SATA storage with RAID 0/1/10, integrated 2.5 Gigabit Ethernet and onboard Wi‑Fi 7 (802.11be). Designed for desktop PC builds requiring modern connectivity and high-speed storage.

## Long description

The MSI PRO B850-S EVO WIFI is an ATX motherboard based on the AMD B850 chipset with Socket AM5, designed to support AMD Ryzen 7000, 8000 and 9000 Series desktop processors. It accepts DDR5 memory across four DIMM slots (up to 256 GB), provides high-speed storage options with PCIe 5.0 M.2 and SATA with RAID 0/1/10 support, and integrates modern connectivity including 2.5 Gigabit Ethernet and onboard Wi‑Fi 7 (802.11be) with MSI EZ Antenna. The board includes hardware and firmware features focused on stability and manageability: a robust 12+2+1 digital VRM power design with 8+4 supplemental CPU power, enhanced thermal solutions such as heavy-plated VRM heatsink, M.2 Shield Frozr and 7 W/mK thermal pads, solid-pin power connectors, TVS protection and overcurrent protection for critical components. Onboard diagnostic LEDs (EZ DEBUG and EZ Memory Detection) and the EZ PCIe Clip II simplify maintenance and component swaps. MSI software and BIOS tools add system tuning, one-click overclocking and AI-assisted optimizations via MSI Center and Click BIOS X.
Advantages
The PRO B850-S EVO WIFI combines contemporary connectivity and robust power delivery suitable for modern desktop workloads. High-performance DDR5 support and PCIe 5.0 M.2 storage enable fast memory and NVMe throughput, while the reinforced VRM and thermal components maintain sustained performance under load. Integrated Wi‑Fi 7 and 2.5GbE provide flexible networking for professional and multimedia use. Diagnostic LEDs, EZ PCIe Clip II and EZ Antenna reduce setup and troubleshooting time. Built-in safety features such as TVS and overcurrent protection increase long-term reliability.
Suitable for
Workstations and productivity desktops running AMD Ryzen 7000/8000/9000 processors
Content creation and media editing systems requiring fast NVMe storage and high memory capacity
Home and small office PCs needing integrated high-speed networking (Wi‑Fi 7 and 2.5GbE)
Enthusiast builds that use PCIe 5.0 graphics or NVMe devices and demand stable power delivery
Key specifications
Form factor: ATX
Chipset: AMD B850
CPU socket: AM5, supports AMD Ryzen 7000 / 8000 / 9000 Series
Memory: 4× DDR5 DIMM slots, dual-channel, up to 256 GB, DDR5 8200+ MT/s (OC) support
Storage: PCIe 5.0 x4 M.2 (M.2 Shield Frozr), additional M.2 and SATA ports, RAID 0/1/10 support
Expansion: PCIe 5.0 x16 primary slot with EZ PCIe Clip II
Network: Onboard 2.5 Gigabit Ethernet and Wi‑Fi 7 (802.11be) with Bluetooth 5.4
Audio: 7.1-channel audio codec
Power delivery: 12+2+1 digital power phases, 8+4 pin CPU power connectors, solid-pin 24-pin power connector
Cooling & protection: Heavy-plated VRM heatsink, chipset heatsink, 7W/mK MOSFET thermal pads, TVS and overcurrent protection
BIOS: UEFI AMI with MSI Click BIOS X and diagnostic LEDs
How to use
Install the motherboard into a compatible ATX chassis, secure with standard standoffs and fasteners, and connect the 24-pin ATX, 8‑pin and 4‑pin CPU power connectors. Populate the AM5 CPU socket following the processor installation instructions and attach the CPU cooler per the cooler manufacturer’s guidance. Insert DDR5 modules into the recommended DIMM slots for dual-channel operation and install NVMe or SATA storage devices as required. Attach the EZ Antenna to the onboard Wi‑Fi headers and secure expansion cards with the EZ PCIe Clip II. Use the onboard EZ DEBUG and EZ Memory Detection LEDs to identify hardware issues during initial boot. Update or configure firmware via the UEFI BIOS and use MSI Center for system monitoring, AI-assisted tuning and one-click overclocking when needed.
Usage recommendations
For stable high-performance operation, use quality DDR5 modules listed in compatibility resources, ensure adequate case airflow around the VRM and M.2 locations, and apply recommended thermal pads or heatsinks to high-performance NVMe drives. When overclocking, monitor voltages and temperatures via MSI Center or BIOS and enable BIOS safety features such as overcurrent protection.

## 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 |
| Supported memory clock speeds | 4800, 5600 |
| Memory channels | Dual-channel |
| Unbuffered memory | Yes |
| Memory slots type | DIMM |
| Supported memory clock speed (max) | 8200 MHz |
| ECC сompatibility | non-ECC |

### Expansion slots

| Feature | Value |
|---|---|
| PCI Express x1 (Gen 3.x) slots | 1 |
| Number of M.2 (M) slots | 3 |
| PCI Express x16 (Gen 4.x) slots | 1 |
| PCI Express x4 (Gen 4.x) slots | 1 |
| 1st M.2 largest key size | 2280 |
| 2nd M.2 largest key size | 22110 |
| 3rd M.2 largest key size | 2280 |
| 1st M.2 highest PCI Express generation | 5.0 |
| 2nd M.2 highest PCI Express generation | 4.0 |
| 3rd M.2 highest PCI Express generation | 4.0 |

### Graphics

| Feature | Value |
|---|---|
| Parallel processing technology support | Not supported |
| On-board graphics card | No |

### Network

| Feature | Value |
|---|---|
| Bluetooth version | 5.4 |
| Ethernet LAN | Yes |
| Bluetooth | Yes |
| Wi-Fi | Yes |
| Ethernet interface type | 2.5 Gigabit Ethernet |
| Top Wi-Fi standard | Wi-Fi 7 (802.11be) |

### 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 |
| Audio connector | Yes |
| USB 3.2 Gen 2 (3.1 Gen 2) connectors | 1 |
| Total number of SATA connectors | 4 |
| Front panel connector | Yes |
| RGB LED pin header | Yes |
| Number of CPU fan connectors | 1 |

### Rear panel I/O ports

| Feature | Value |
|---|---|
| USB 2.0 ports quantity | 4 |
| 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 | 2 |
| 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 |
| Number of storage drives supported | 7 |
| Supported storage drive interfaces | M.2, SATA |

### BIOS

| Feature | Value |
|---|---|
| BIOS memory size | 512 Mbit |
| BIOS type | UEFI AMI |

### Weight & dimensions

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

### Other features

| Feature | Value |
|---|---|
| Number of HDDs supported | 4 |
| Wi-Fi standards | Wi-Fi 7 (802.11be) |
| 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 EVO WIFI motherboard (Socket AM5) cost, and is it available for purchase?

The price is 186.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 181 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 Thursday 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: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can MSI PRO B850-S EVO WIFI motherboard (Socket AM5) 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 EVO WIFI motherboard (Socket AM5)?

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/12118643/68090734_large.webp