MSI PRO B850-S EVO WIFI AMD B850 ATX Motherboard
£153.88 inc VAT
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About This Item
- 3 M.2 slots with PCIe 5.0 and 4.0 support for ultra-fast NVMe storage
- Wi-Fi 7 (802.11be) and 2.5G LAN for next-gen connectivity
- Supports AMD Ryzen 7000/8000/9000 series on Socket AM5
- DDR5 memory support up to 256 GB with dual-channel architecture
- 7.1-channel audio with Realtek ALC897 codec for immersive sound
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MSI PRO B850-S EVO WIFI | AMD B850 Socket AM5 ATX Motherboard
The MSI PRO B850-S EVO WIFI motherboard is engineered for professionals and enthusiasts building AMD AM5 systems. With Wi-Fi 7, 2.5Gb LAN, PCIe 5.0 M.2, and robust VRM cooling, this ATX board delivers reliable performance for multitasking, content creation, and demanding workloads.
Key Specifications
| Metric | Spec. |
|---|---|
| Processor Socket | AMD AM5 |
| Memory Support | DDR5 (up to 256 GB) |
| M.2 Slots | 3 (PCIe 5.0 x1, PCIe 4.0 x2) |
| USB Ports | 6 x USB 3.2 / 4 x USB 2.0 |
| Network | Wi-Fi 7 + 2.5Gb Ethernet |
| Form Factor | ATX |
Built for Professional Performance
The PRO B850-S EVO WIFI combines a clean black aesthetic with features tailored for efficiency. Its 12+2+1 digital VRM design with 8+4 power connectors ensures stable delivery to high-end AMD Ryzen processors. Whether you’re running simulations, editing video, or managing multiple applications, the board’s power delivery and cooling keep performance consistent.
Next-Gen Connectivity
Stay connected with Wi-Fi 7 (802.11be) and Bluetooth 5.4 for fast wireless performance. The 2.5Gb Ethernet port provides reliable wired networking for large file transfers and low-latency tasks. Multiple USB 3.2 ports and PCIe 5.0 M.2 slots support rapid data access and future storage upgrades.
Smart Cooling & Protection
MSI’s M.2 Shield Frozr and heavy-plated VRM heatsink prevent thermal throttling during heavy workloads. The 7W/mK thermal pads and additional choke pads improve heat dissipation. Overcurrent Protection (OCP) and Transient Voltage Suppressors (TVS) safeguard components from electrical surges.
Easy Installation & Maintenance
The EZ PCIe Clip II simplifies graphics card removal, even in tight cases. EZ Antenna makes Wi-Fi setup tool-free. EZ DEBUG and EZ Memory Detection LEDs help quickly identify hardware issues without guesswork. BIOS features like Latency Killer and High-Efficiency Mode optimise memory performance with minimal user input.
Box Contents
- MSI PRO B850-S EVO WIFI motherboard
- SATA cables (quantity not specified)
- Screws
- Wi-Fi antenna
- I/O shield
Check Before You Buy
- Confirm your AMD Ryzen 7000/8000/9000 series CPU is AM5 compatible.
- Verify your case supports ATX motherboards (243.8 x 304.8 mm).
- Ensure your power supply has the required 8+4 CPU and 24-pin connectors.
- Check if your GPU and cooler fit around the PCIe and VRM heatsinks.
Frequently Asked Questions
Q: Does this motherboard support DDR4 memory?
A: No, it only supports DDR5-SDRAM memory modules.
Q: How many M.2 SSDs can I install?
A: Up to three M.2 drives are supported across the three slots.
Q: Is Wi-Fi included or do I need a separate card?
A: Wi-Fi 7 and Bluetooth 5.4 are built in; no separate card is needed.
Q: Can I overclock my CPU and RAM with this board?
A: Yes, the BIOS includes one-click overclocking and memory optimisation tools.
Q: What type of audio does it provide?
A: It uses a Realtek ALC897 chip with 7.1 channel HD audio output.
The Consultant’s Verdict & Warranty
The MSI PRO B850-S EVO WIFI is a well-rounded motherboard for professionals seeking stability, connectivity, and upgrade potential. Its combination of Wi-Fi 7, PCIe 5.0, and advanced VRM cooling makes it suitable for high-performance AMD AM5 builds. Covered by the standard Manufacturer Warranty.
| Internal I/O | |
|---|---|
| Number of M.2 (M) slots | 3 |
| USB 3.2 Gen 2 (3.1 Gen 2) connectors | 1 |
| Total number of SATA connectors | 4 |
| Front panel connector | Yes |
| Audio connector | Yes |
| Supported storage drive interfaces | M.2, SATA |
| USB 2.0 connectors | 4 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 2 |
| TPM connector | Yes |
| Power fan connector | Yes |
| Number of SATA III connectors | 4 |
| Number of COM connectors | 1 |
| Front panel audio connector | Yes |
| CPU fan connector | Yes |
| Chassis intrusion connector | Yes |
| RGB LED pin header | Yes |
| Number of CPU fan connectors | 1 |
| Technical details | |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B850 |
| Parallel processing technology support | Not supported |
| On-board graphics card | No |
| HDMI version | 2.1 |
| Motherboard form factor | ATX |
| Component for | PC |
| Total number of SATA connectors | 4 |
| Audio | |
| Audio output channels | 7.1 channels |
| Performance | |
| Number of HDDs supported | 4 |
| Supported storage drive types | HDD & SSD |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B850 |
| RAID levels | 0, 1, 10 |
| Audio output channels | 7.1 channels |
| Motherboard form factor | ATX |
| Component for | PC |
| Expansion card interfaces | |
| Audio connector | Yes |
| Processor | |
| Processor manufacturer | AMD |
| Compatible processor series | AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series |
| Processor socket | Socket AM5 |
| Memory | |
| Number of memory slots | 4 |
| Memory slots type | DIMM |
| Supported memory types | DDR5-SDRAM |
| Memory channels | Dual-channel |
| Supported memory clock speeds | 8200,5600,4800 MHz |
| Maximum internal memory | 256 GB |
| Unbuffered memory | Yes |
| Supported memory clock speed (max) | 8200 MHz |
| ECC сompatibility | Non-ECC |
| Storage controllers | |
| Number of HDDs supported | 4 |
| Supported storage drive types | HDD & SSD |
| Supported storage drive interfaces | M.2, SATA |
| RAID levels | 0, 1, 10 |
| Number of storage drives supported | 7 |
| RAID support | Yes |
| Graphics | |
| Parallel processing technology support | Not supported |
| On-board graphics card | No |
| Rear panel I/O ports | |
| 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 |
| DisplayPort version | 1.4 |
| USB 2.0 ports quantity | 4 |
| HDMI version | 2.1 |
| HDMI ports quantity | 1 |
| Ethernet LAN (RJ-45) ports | 1 |
| DisplayPorts quantity | 1 |
| Network | |
| Ethernet LAN | Yes |
| Wi-Fi | Yes |
| Wi-Fi standards | Wi-Fi 7 (802.11be) |
| Ethernet interface type | 2.5 Gigabit Ethernet |
| Bluetooth | Yes |
| Bluetooth version | 5.4 |
| Top Wi-Fi standard | Wi-Fi 7 (802.11be) |
| Features | |
| Power source type | ATX |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B850 |
| Audio output channels | 7.1 channels |
| Motherboard form factor | ATX |
| Component for | PC |
| Audio chip | Realtek ALC897 |
| Product colour | Black |
| Expansion slots | |
| Number of M.2 (M) slots | 3 |
| PCI Express x1 (Gen 3.x) slots | 1 |
| PCI Express x16 (Gen 4.x) slots | 1 |
| PCI Express x4 (Gen 4.x) slots | 1 |
| 1st M.2 largest key size | 2280 |
| 1st M.2 highest PCI Express generation | 5.0 |
| 2nd M.2 largest key size | 22110 |
| 2nd M.2 highest PCI Express generation | 4.0 |
| 3rd M.2 largest key size | 2280 |
| 3rd M.2 highest PCI Express generation | 4.0 |
| BIOS | |
| BIOS type | UEFI AMI |
| BIOS memory size | 512 Mbit |
| ACPI version | 6.5 |
| System Management BIOS (SMBIOS) version | 3.7 |
| Power | |
| Power source type | ATX |
| Weight & dimensions | |
| Width | 243.8 mm |
| Depth | 304.8 mm |
| Packaging content | |
| Cables included | SATA |
| Screws included | Yes |
| Antenna included | Yes |
| Identifiers | |
| Distributor SKUs | 128018 |
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