Asus Prime B840 Plus Wifi Motherboard
Build a capable and future-ready system with the Asus Prime B840-PLUS WIFI. This ATX motherboard utilizes the latest AMD B840 chipset for the AM5 socket, supporting Ryzen™ 9000, 8000, & 7000 Series processors. Furthermore, it offers high-speed DDR5 memory support, ample storage options including three M.2 slots, and modern connectivity like Wi-Fi 6E and 2.5Gb Ethernet. Consequently, it provides a solid and versatile foundation for mainstream gaming and productivity builds.

Discover Balanced Performance and Connectivity
This Prime series board is engineered to leverage the power of modern AMD Ryzen CPUs. It supports high-speed DDR5 memory up to 7600+ MT/s (OC), enhanced with AMD EXPO™ and ASUS AEMP profiles for easy optimization. Additionally, the primary PCIe 4.0 x16 slot (with SafeSlot Core+) is ready for today’s powerful graphics cards. Storage flexibility is excellent, featuring three M.2 slots (two PCIe 4.0, one PCIe 3.0) and four SATA 6Gb/s ports, allowing for a mix of fast SSDs and larger capacity drives.

Stay connected with comprehensive networking options. The Prime B840-PLUS WIFI includes fast Realtek 2.5Gb Ethernet and onboard Wi-Fi 6E for high-speed wired and wireless connections, plus Bluetooth® 5.3. Moreover, USB connectivity is robust, featuring rear USB 10Gbps ports (Type-A and Type-C®) and internal headers for front panel connections. ASUS 5X Protection III provides hardware safeguards for longevity, while Q-Design features like Q-Antenna and Q-LED Core simplify the build process. Finally, VRM heatsinks and Fan Xpert 2+ ensure stable operation through effective cooling management.
Key Specifications
- Model: PRIME B840-PLUS WIFI
- CPU Socket: AM5 (Ryzen™ 9000/8000/7000 Series)
- Chipset: AMD B840
- Memory: 4x DDR5 DIMM, Max. 256GB, up to 7600MHz+ (OC), EXPO/AEMP
- Expansion Slots: 1x PCIe 4.0 x16, 1x PCIe 3.0 x16 (x4 mode), 2x PCIe 3.0 x16 (x1 mode), 1x PCIe 3.0 x1
- Storage: 2x M.2 PCIe 4.0 x4, 1x M.2 PCIe 3.0 x4, 4x SATA 6Gb/s
- Networking: Realtek 2.5Gb Ethernet, Wi-Fi 6E (802.11ax), Bluetooth 5.3
- Rear USB: 1x USB 10Gbps (Type-C®), 1x USB 10Gbps (Type-A), 2x USB 5Gbps (Type-A), 4x USB 2.0 (Type-A)
- Audio: Realtek 7.1 Surround Sound CODEC
- Form Factor: ATX
- Special Features: 5X Protection III, Q-Design (Q-Antenna, Q-LED Core), VRM Heatsink, Flexible M.2 Heatsink, EZ DIY (BIOS FlashBack™), Aura Sync, Thunderbolt™ (USB4®) Header
Questions & Answers
Who is this Motherboard for?
This motherboard is designed for mainstream PC builders and gamers using the AMD AM5 platform (Ryzen 7000/8000/9000 series). Specifically, it suits users who want a full-size ATX board with a solid mix of modern features like DDR5 support, triple M.2 slots, 2.5Gb LAN, and Wi-Fi 6E, but don’t necessarily need PCIe 5.0 capabilities.
Why Choose This Motherboard?
Choose this board for its well-rounded feature set on the new B840 chipset. It offers broad compatibility with Ryzen processors and high-speed DDR5 memory. Key advantages include ample storage with three M.2 slots, fast networking options (2.5Gb Ethernet and Wi-Fi 6E), and useful ASUS features like 5X Protection III and Q-Design elements. Therefore, it provides a reliable and versatile ATX platform for current-gen AMD builds.
What are the Pros?
Pros: Supports latest Ryzen CPUs; high-speed DDR5 support (7600+ MT/s OC); triple M.2 slots for storage flexibility; integrated Wi-Fi 6E and 2.5Gb Ethernet; USB 10Gbps ports on rear I/O; ATX form factor for good expansion; reliable 5X Protection III features; useful Q-Design and EZ DIY elements.
What are the Cons?
Cons: Lacks PCIe 5.0 support for graphics or M.2 slots; B840 chipset likely has fewer features/lanes than B850/X870; basic Realtek audio codec; limited number of high-speed rear USB ports compared to premium boards.
The Verdict
The Asus Prime B840-PLUS WIFI offers a capable and well-balanced entry into the latest AMD AM5 ecosystem using the new B840 chipset. It delivers essential modern features like high-speed DDR5 support, triple M.2 slots, 2.5Gb LAN, and Wi-Fi 6E in a standard ATX form factor. While it forgoes PCIe 5.0, its focus on providing a solid foundation with good connectivity and ASUS reliability makes it a strong choice for mainstream users building powerful and versatile Ryzen systems. It’s a practical option among the new generation of AM5 motherboards.
Find more details on the official ASUS Prime product page.
Consider pairing it with compatible AMD Ryzen processors or explore our DDR5 memory kits.


Addlink P30 1TB 4000MB/s USB 4.0 Type-C Magnetic Portable External SSD
Polartherm X8 5g Thermal Paste
Corsair HXi Series HX1500i 1500W 80 Plus Platinum Fully Modular ATX 3.1 PCIe 5.1 iCUE Power Supply
Lian Li Strimer Wireless 16 Pin ARGB Power Extension Cable
Aerocool P500A Panoramic Curved Glass Back-Connect Support With 4 120mm ARGB PWM Fans White Mid Tower Gaming Case
Xpg Invader X BTF Mid Tower Case
Asus TUF Gaming 750W 80 Plus Bronze Power Supply
Meetion Air GW39 Lightweight Pixart PAW3395 With Charging Base 3 Mode Rechargeable Wireless And Bluetooth Gaming Mouse
Samsung Odyssey Neo G9 G95NC S57CG952NU 57 Inch 240Hz 1ms GTG Dual UHD VA Curve 1000R Quantum Matrix FreeSync Premium Pro White Monitor
Thermaltake Th240 240Mm ARGB Sync Snow Aio Liquid Cpu Cooler
Msi B850 Gaming Plus Wifi AM5 Motherboard
Xigmatek Pano II Air Type C 8 Fan ARGB Pwm Curved TG EATX Super Tower Case
HYTE Y70 Touch Infinite Panoramic Glass with 14.9 Inch 2.5K IPS Touchscreen 4 Slot Vertical GPU Dual Chamber Mid Tower Case
Gigabyte B760M Gaming AC D4 Gen5 Gaming Motherboard
Arctic Liquid Freezer III Pro 240 ARGB Rev.2 Black AIO Liquid CPU Cooler
Xigmatek Crystal Storm 4 fan PWM Argb Curved TG + Asgard 750W 80+ Bronze Mid Tower Case
Asus VA VA34VCPSR 34 Inch 100Hz 4ms UWQHD VA Curve 1500R Adaptive Sync HDR10 With Speakers Monitor
Gigabyte GeForce RTX 5050 Gaming OC 8GB GDDR6 Graphic Card
Western Digital Black SN8100 2TB M2 2280 PCIe Gen 5 Nvme Without Heatsink Internal Solid State Drive SSD
Lian Li UNI Fan SL Wireless LCD 120 Reverse Blade ARGB 3 Fans Black With 2.4 GHz Wireless Controller Fan
Aerocool SMART G1 1000W 80 Plus Gold ATX 3.1 PCIe 5.1 Power Supply
Coolermaster MP511 Speed XL Gaming Mouse Pad
Redragon Flick P031 Large Gaming Mouse Pad
Xigmatek Pano II LCD Type C 8 Fan ARGB Pwm 9Inch Multi Display LCD Panel Curved TG EATX Super Tower Case
Thermaltake MAGFloe 420mm Ultra ARGB Sync Snow AIO Liquid CPU Cooler
Sapphire Pulse Radeon RX 9070 Gaming OC 16GB GDDR6 256-bit Graphic Card
Lian Li PCI e 4.0 600mm White Riser Cable
Sandisk Extreme PRO 2TB With USB4 External Solid State Drive SSD
Addlink G55 1TB M2 2280 Pcie Gen5 Nvme Internal Solid State Drive SSD
MSI PRO B840M P WIFI6E AM5 Motherboard 














Reviews
There are no reviews yet.