Description
Overview
The MSI B840 GAMING PLUS WIFI is an ATX AM5 motherboard aimed at mainstream gaming and productivity builds. It supports AMD Ryzen 7000, 8000 and 9000 series desktop processors, four DDR5 memory slots (up to 256GB) and includes a pre‑installed Wi‑Fi 7 wireless module and Bluetooth 5.4. The board provides a mix of PCIe 4.0 expansion, NVMe storage and modern rear I/O for current-generation systems. ([msi.com](https://www.msi.com/Motherboard/B840-GAMING-PLUS-WIFI/Specification))
Key features
- Socket: AM5; Chipset: AMD B840; supports Ryzen 9000/8000/7000 series CPUs. ([msi.com](https://www.msi.com/Motherboard/B840-GAMING-PLUS-WIFI/Specification))
- Memory: 4× DDR5 UDIMM slots, maximum 256GB; supported speeds DDR5 8000–5600 (OC) / 5600–4800 (JEDEC). ([msi.com](https://www.msi.com/Motherboard/B840-GAMING-PLUS-WIFI/Specification))
- Storage: 2× M.2 slots (M.2_1 and M.2_2 with CPU-sourced PCIe 4.0 x4 support on compatible CPUs) and 4× SATA 6Gb/s. ([msi.com](https://www.msi.com/Motherboard/B840-GAMING-PLUS-WIFI/Specification))
- Networking: Realtek 8125BG 2.5Gb Ethernet and a Wi‑Fi 7 solution (pre‑installed M.2 Key‑E module) with multi‑band support; Bluetooth 5.4. Note: 6GHz/Wi‑Fi 7 availability depends on local regulations and OS support. ([msi.com](https://www.msi.com/Motherboard/B840-GAMING-PLUS-WIFI/Specification))
- Expansion: Multiple PCI‑E slots including one CPU-fed PCIe 4.0 x16 for GPUs. ([msi.com](https://www.msi.com/Motherboard/B840-GAMING-PLUS-WIFI/Specification))
- Rear I/O highlights: HDMI 2.1 (4K60 on APUs), USB 10Gbps Type‑A and Type‑C ports, Clear CMOS and Flash BIOS buttons, Wi‑Fi antenna connectors. ([msi.com](https://www.msi.com/Motherboard/B840-GAMING-PLUS-WIFI/Specification))
- Audio: Realtek ALC897 7.1‑channel high‑definition audio. ([msi.com](https://www.msi.com/Motherboard/B840-GAMING-PLUS-WIFI/Specification))
Who it suits
This board is suited to builders who want an AM5 platform with modern connectivity (Wi‑Fi 7 and 2.5Gb LAN) without stepping up to higher-tier chipsets. It is appropriate for gaming, streaming and general desktop workloads where PCIe 4.0 NVMe storage and DDR5 memory are priorities. For users who plan heavy CPU or memory overclocking, higher-end chipset models may be preferable. ([msi.com](https://www.msi.com/Motherboard/B840-GAMING-PLUS-WIFI/Specification))






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