01 / 07MSI MAG B850M Mortar WiFi AMD AM5 DDR5 mATX Motherboard
The MSI MAG B850M Mortar WiFi is a Micro-ATX AMD B850 motherboard for AMD Ryzen 9000, 8000, and 7000-series processors on the AM5 platform. A 12-phase Duet Rail VRM (60A SPS) with Frozr Guard cooling handles sustained compute workloads in compact mid-tower and mini-tower chassis. Four DDR5 DIMM slots support up to 256GB at 8200+ MT/s OC, a PCIe 5.0 x16 slot accommodates current-generation discrete GPUs, and three M.2 slots (two Gen5, one Gen4) provide ample NVMe storage capacity. Wi-Fi 7, 5Gbps LAN, and a USB 20Gbps Type-C rear IO port complete the connectivity package. 3-year manufacturer warranty.
Features
- 12-Phase Duet Rail VRM (60A SPS) — High-current power stages with 7W/mK MOSFET thermal pads and an extended heatsink provide stable power delivery to Ryzen 9000, 8000, and 7000-series CPUs.
- DDR5 Memory Boost 8200+ MT/s — Four DDR5 DIMM slots support up to 256GB RAM with extreme overclocking capability via 1DPC configuration.
- PCIe 5.0 x16 Slot — Steel Armor II-reinforced PCIe 5.0 x16 slot delivers 128GB/s bandwidth to current and next-generation discrete graphics cards.
- Triple M.2 Slots — Two PCIe Gen5 x4 (128Gbps) and one Gen4 x2 (32Gbps) M.2 slots with EZ M.2 Shield Frozr II thermal covers and tool-free EZ M.2 Clip II.
- Wi-Fi 7 & 5G LAN — Full-speed Wi-Fi 7 (BE) with Bluetooth 5.4 plus 5Gbps wired Ethernet provide low-latency connectivity in both mATX and mini-tower builds.
- USB 20Gbps Type-C & Audio Boost 5 — Rear IO includes a 20Gbps Type-C port and USB High Performance Audio with 7.1-channel Audio Boost 5 and S/PDIF output.
- Compact mATX Form Factor — 24.3×24.3 cm PCB fits standard mATX and compatible ATX cases while retaining full AM5 platform feature support.
In the Box
- MSI MAG B850M Mortar WiFi Motherboard
- SATA cables
- Wi-Fi antenna
- M.2 screws and EZ M.2 Clips
- User manual / quick installation guide
- Driver disc
Technical Specification
| Spec | Value |
|---|---|
| ASIN | B0F4Q45RKX |
| Model | MAG B850M MORTAR WIFI (7E61-001R) |
| CPU Socket | AM5 |
| Compatible CPUs | AMD Ryzen 9000 / 8000 / 7000 |
| Chipset | AMD B850 |
| Form Factor | Micro-ATX |
| Memory Type | DDR5 |
| Memory Slots | 4 × DIMM |
| Memory Max | 256GB |
| Memory Speed | Up to 8200+ MT/s (OC) |
| PCIe Slots | 1 × PCIe 5.0 x16 (Steel Armor II) |
| M.2 Slots | 2 × Gen5 x4 (128Gbps), 1 × Gen4 x2 (32Gbps) |
| Wireless | Wi-Fi 7 (BE), Bluetooth 5.4 |
| Ethernet | 5Gbps LAN |
| USB (Rear) | USB 20Gbps Type-C |
| Audio | 7.1 USB Audio Boost 5, S/PDIF |
| VRM | 12-Phase Duet Rail (60A SPS) |
| Item Dimensions | 24.3 × 24.3 cm |
| Item Weight | 1.2 kg |
| Country of Origin | China |
| Warranty | 3 Years |
Why NVSX
Four pillars.
Zero compromises.
Authorized Stock
Official AMD, NVIDIA, Logitech, Corsair, Lian Li, G.Skill, WD, Samsung & Cooler Master partner. Every unit direct from distributor. Serial numbers logged. Zero grey-market.
Genuine Warranty
Full manufacturer warranty on every product. Defective unit? We handle the brand RMA — you don't deal with distributors.
Expert Support
Real humans. Baner, Pune workshop. WhatsApp direct line for build advice, compatibility checks, and anything post-sale.
Tracked & Insured
Ships within 24 hours of order confirmation. Fully insured, tracked delivery India-wide.
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