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MSI B840 Gaming Plus WiFi Motherboard, ATX - Supports AMD Ryzen 9000/8000 / 7000 Processors, AM5 - DDR5 Memory Boost 8000+ MT/s (OC), PCIe 4.0 x16, M.2 Gen4, Wi-Fi 7, 2.5G LAN

MSI B840 Gaming Plus WiFi Motherboard

Bottom line: The MSI B840 Gaming Plus WiFi Motherboard is a specs-and-price decision rather than a crowd-consensus one in the motherboards category. Check the specification table below against one or two close alternatives — on price and spec fit, not on star ratings.

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Mike Perry — Hardware researcher since 2014, focused on GPU performance across gaming, rendering, and local-LLM inference. Synthesises community benchmarks, manufacturer specs, and public forum data into actionable buying guides.

Before you buy

  • Confirm socket / form-factor / power-rating compatibility against your build before ordering
  • Price, stock, shipping and returns are set by the retailer and may have changed since this page was last updated

Manufacturer description

B840 GAMING PLUS WIFI: Win the Competition Designed for efficient and stable performance on the AMD B840 chipset (Ryzen 9000 / 8000 / 7000 supported, AM5), the MSI B840 GAMING PLUS WIFI motherboard includes premium GPU support with a PCIe 4.0 x16 slot, improved DDR5 memory support (8000+ MT/s OC), and extensive M.2 Gen4 storage options (with EZ M.2 Shield Frozr II). To power the latest Ryzen 9000 processors, the B840 GAMING PLUS WIFI is equipped with a Direct 7 phases CPU power (P-PAK) for the CPU and a 8-pin CPU power connector, augmented with multiple passive cooling features. MSI gaming…

SpecPicks Verdict

SpecPicks scored MSI B840 Gaming Plus WiFi Motherboard using a rating × review-volume × price-fit model applied to published specs and reviews across the motherboards category. Compare with similarly-priced alternatives in the motherboards category before committing. Judge it on the specification table and the price rather than on sentiment: check the figures that decide your use case, then put it side-by-side with two or three close alternatives in the Compare tool before clicking through.

Common buyer scenarios for motherboards of this kind: matching it to an existing build, replacing a failing part, or upgrading from a previous-generation equivalent. Check the spec table below against your current setup — particularly socket / form-factor / power-rating fields — and confirm compatibility on the retailer's listing before purchase. Prices and stock are set by the retailer and may have moved since this page was last updated.

Key Features

  • ULTRA POWER - SUPPORTS THE LATEST RYZEN 9000 PROCESSORS IN HIGH PERFORMANCE - The B840 GAMING PLUS WIFI employs a Direct 7 phases CPU power (P-PAK) for the AMD B840 chipset (AM5, Ryzen 9000 / 8000 / 7000) with Core Boost architecture
  • FROZR GUARD - Excellent cooling features such as 7W/mK MOSFET thermal pads, extra choke thermal pads and an Extended Heatsink; Includes chipset heatsink, EZ M.2 Shield Frozr II, a Combo-fan (for pump & system) header (3A)
  • DDR5 MEMORY, PCIe 4.0 x16 SLOT - 4 x DDR5 DIMM SMT slots enable excellent memory overclocking speeds (1DPC 1R, 8000+ MT/s OC); 1 x PCIe 4.0 x16 slot (64GB/s) with Steel Armor supports cutting-edge graphics cards
  • DOUBLE M.2 CONNECTORS - Storage options include 2 x M.2 Gen4 x4 64Gbps slots; The primary M.2 slot includes EZ M.2 Shield Frozr II to prevent thermal throttling during hyper-fast SSD access
  • CONNECTIVITY - Network hardware includes a full-speed Wi-Fi 7 module with Bluetooth 5.4 & 2.5Gbps LAN; Rear ports include USB 10Gbps Type-C and 7.1 HD Audio with Audio Boost

Full Specifications

Brandmsi
Weight2.5g
PlatformWindows 11
CPU ModelRyzen 7
CPU SocketSocket AM5
Model NameMSI B840 Gaming Plus WiFi
Chipset TypeB840
ConnectivityBluetooth, USB, WiFi
Model NumberB840 Gaming Plus WiFi
Mfr Part NumberB840GPW
Number of Ports10
Total Usb Ports6
Processor SocketSocket AM5
Total PCIe Ports1
Total SATA Ports4
Compatible DevicesPersonal Computer
Memory Clock Speed7800
Warranty Description3 Year Manufacturer
Compatible ProcessorsSupports AMD Ryzen 9000/8000/7000 Series Desktop Processor
RAM Memory TechnologyDDR5
Full listing titleMSI B840 Gaming Plus WiFi Motherboard, ATX - Supports AMD Ryzen 9000/8000 / 7000 Processors, AM5 - DDR5 Memory Boost 8000+ MT/s (OC), PCIe 4.0 x16, M.2 Gen4, Wi-Fi 7, 2.5G LAN

Ready to buy?

MSI B840 Gaming Plus WiFi Motherboard, ATX - Supports AMD Ryzen 9000/8000 / 7000 Processors, AM5 - DDR5 Memory Boost 8000+ MT/s (OC), PCIe 4.0 x16, M.2 Gen4, Wi-Fi 7, 2.5G LAN is listed on Amazon. Price, availability, shipping and returns are set by Amazon and its sellers — check the listing for current terms. SpecPicks earns a small commission on qualifying purchases — thank you for supporting independent review work.

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