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MSI MAG B850 TOMAHAWK MAX WIFI II Motherboard, ATX - Supports AMD Ryzen 9000 / 8000 / 7000 Processors, AM5 - 80A SPS VRM, DDR5 Memory Boost (up to 8400+ MT/s OC), PCIe 5.0 x16, M.2 Gen5, Wi-Fi 7, 5G LAN
- ATX motherboard built on the AMD B850 chipset with AM5 socket, supporting AMD Ryzen 9000, 8000, and 7000 series processors including the Ryzen 7 9800X3D and 9850X3D.
- Robust 14+2+1 phase Duet Rail power delivery with 80A Smart Power Stage MOSFETs and dual EPS power connectors for stable, high-end CPU performance.
- DDR5 memory support across 4 DIMM slots with speeds up to 8400+ MT/s (OC) and a maximum capacity of 256GB.
- Quadruple M.2 storage with 2 x M.2 Gen5 x4 (128Gbps) and 2 x M.2 Gen4 slots, all featuring EZ M.2 Shield Frozr II heatsinks to prevent thermal throttling.
- PCIe 5.0 x16 slot with supplemental PCIe power connector for next-gen GPU support and demanding AI workloads.
- Full-speed Wi-Fi 7 with Bluetooth 5.4 and 5Gbps LAN for ultra-fast wired and wireless connectivity.
- Rear I/O includes USB 20Gbps Type-C, 7.1 USB High Performance Audio with Audio Boost 5, and S/PDIF output for a complete connectivity suite.
- OC Engine dedicated chip enables independent Base Clock (BCLK) control for precise overclocking with up to 15% performance boost while keeping memory, PCIe, and NVMe stable.
- EZ DIY features include EZ M.2 Clip II, EZ PCIe release, EZ Debug LEDs, and a 64MB BIOS ROM for a hassle-free build experience.
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Learn more about the MSI MAG B850 TOMAHAWK MAX WIFI II
| Best Seller Ranking | #98 in AMD Motherboards |
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| Brand | MSI |
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| Model | MAG B850 TOMAHAWK MAX WIFI II |
| CPU Socket Type | AM5 |
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| CPU Type | Ryzen 7000 Series / Ryzen 8000 Series / Ryzen 9000 Series |
| Chipset | AMD B850 |
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| Number of Memory Slots | 4x288pin (DDR5) |
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| Memory Standard | Up to DDR5-8200+ MT/s (OC) |
| Channel Supported | Dual Channel |
| PCI Express 5.0 x16 | 1 x PCI Express 5.0 x16 |
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| PCI Express x4 | 1 x PCI Express 4.0 x4 |
| PCI Express x1 | 1 x PCI Express 3.0 x1 |
| M.2 | 2 x M.2 Gen5 x4 128Gbps slots 1 x M.2 Gen4 x4 64Gbps slot 1 x M.2 Gen4 x2 32Gbps slot |
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| Audio Channels | 8-Channel (7.1) HD Audio with Audio Boost |
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| Max LAN Speed | 5Gbps |
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| Wireless LAN | Wi-Fi 802.11 be |
| Bluetooth | Bluetooth 5.4 |
| Back I/O Ports | 1 x Clear CMOS Button / 1 x Flash BIOS Button / 1 x HDMI / 1 x LAN (RJ45) / 1 x Optical S/PDIF Out / 1 x USB 3.2 Gen 2 Type-A / 1 x USB 3.2 Gen 2 Type-C / 2 x Antenna Bracket / 2 x Audio Jacks / 2 x USB 3.2 Gen 2 Type-A / 2 x USB 3.2 Gen 2 Type-C / 4 x USB 2.0/1.1 |
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| BIOS Feature | 64MB BIOS |
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| First Listed on Newegg | April 03, 2026 |
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Warranty & Returns
Warranty, Returns, And Additional Information
Warranty
- Limited Warranty period (parts): 3 years
- Limited Warranty period (labor): 3 years
- Read full details
Return Policies
- Return for refund within: 30 days
- Return for replacement within: 30 days
- This item is covered by Newegg.com's 30-Day Return Policy.
- Read full return policy for details.
Manufacturer Contact Info
- Manufacturer Product Page
- Manufacturer Website
- Support Phone: 1-626-271-1004
- Support Website
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