ASUS Prime series motherboards are expertly engineered to unleash the full potential of AMD Ryzen™ 9000 series processors
The PRIME B840-PLUS WIFI motherboard provides users and PC DIY builders with a range of performance optimizations via intuitive software and firmware features. It’s designed to be Advanced AI PC-ready, offering the power and connectivity needed for demanding AI applications.
- AMD B840 ATX motherboard with DDR5
- PCIe 4.0 Ready
- Three M.2 slots
- Wi-Fi 6E
- Realtek 2.5Gb Ethernet
- DisplayPort
- HDMI™
- Rear USB 10Gbps Type-A & Type-C® support
- BIOS FlashBack™
- Aura Sync
AI Solutions
- AI Advisor – ASUS AI Advisor allows users to explore the functionality and advanced features of ASUS motherboards in a simple and straightforward way.
Digital Power Design
PRIME B840-PLUS WIFI features an 8+2+1 phase power design with discrete MOSFETs, ensuring efficient and stable power delivery for AMD processors plus steady performance for day-to-day use.
- Six-layer PCB design – Enhanced stability and overclocking.
- Power Saving – Optimize power with CPU, lighting, and fan settings.
- Digi+ VRM control – Real-time voltage control.
Enhanced Memory & Storage Performance
- Enhanced DDR5 performance – Comprehensive memory tuning options are the cornerstone of PRIME motherboards. The PRIME B840-PLUS WIFI maximizes the potential of your DDR5 modules, from entry-level to extreme-speed kits. For entry-level modules without EXPO™ support, ASUS Enhanced Memory Profile (AEMP) automatically detects memory chips and provides optimized profiles for enhanced performance.
- Three M.2 slots (up to 64 Gbps) – PRIME B840-PLUS WIFI offers a total of three M.2 slots, including two that support data-transfer speeds of up to 64 Gbps via PCIe 4.0, and one that supports PCIe 3.0. This enables quicker boot-up and app load times with OS or application drives.
Cooler by design
The PRIME B840-PLUS WIFI motherboard is engineered with multiple onboard heatsinks and an array of hybrid fan headers to help ensure your rig stays cool and stable under intense workloads.
- ASUS Fan Xpert 2+ – ASUS Fan Xpert 2+ software provides comprehensive control over fans. An Auto-Tuning mode intelligently configures all parameters with a single click. There’s also an Extreme Quiet mode that reduces chassis fan speeds to below the default minimum to keep your system whisper-quiet when performing light tasks. Fans can also be controlled via the UEFI BIOS.
- Cooler compatibility – ASUS AIO coolers offer robust performance, high overclocking potential, bold aesthetics and customizable functionality for new motherboards, empowering you to build your dream gaming rig.
Empowering connections
This motherboard offers a versatile range of connectivity, including support for WiFi 6E, PCIe 4.0 slot and an arsenal of USB ports which includes Type-C® connections.
- WiFi 6E – Built-in WiFi 6E5 technology takes advantage of the newly available radio spectrum in the 6 GHz band. With triple the bandwidth of the 2.4/5/6 GHz band, WiFi 6E delivers ultrafast wireless networking speeds with improved capacity and better performance in dense wireless environments.
- Realtek 2.5 Gb Ethernet – Realtek 2.5 Gb Ethernet reduces CPU overhead and offers exceptionally high TCP and UDP throughput for faster, smoother data transfers.
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USB 10Gbps Type-C – A batch of USB ports support high-end rigs loaded with peripherals, including a rear USB Type-C® connector with ultrafast USB 10Gbps for transmission speeds of up to 10Gbps.
Personalization
The PRIME B840-PLUS WIFI enhances the user experience across the board, from simplifying BIOS setting adjustments to offering customizable RGB lighting controls for a uniquely personal system aesthetic.
- UEFI BIOS – The UEFI interface delivers easy-to-use configuration options for PC beginners, and advanced features for veterans.
- ASUS GlideX – Enable seamless screen sharing and control across PCs, tablets, and smartphones via wired or wireless connections, supporting multiple platforms.
- ASUS DriverHub – Simplify driver management with automatic detection, one-click installation and update for smooth, efficient system performance.
- Armoury Crate – Customize Aura Sync RGB and control ASUS devices. Includes product registration and updates.
- Aura Sync – Complete RGB lighting control for enthusiast systems, ensuring seamless synchronization with compatible hardware.
- Addressable Gen 2 RGB headers – Three addressable Gen 2 headers detect LED counts on compatible RGB devices, automatically adjusting lighting effects accordingly.
DIY friendly
The PRIME B840-PLUS WIFI motherboard features EZ PC DIY innovations that simplify and speed up the PC building process, making DIY easy and convenient.
- Q-Antenna – With Q-Antenna, attaching a WiFi antenna to your PC is now easy and fast. Instead of slowly rotating two fasteners until they finally lock in, they just snap into place. Less hassle, and more consistent performance.
- Q-LED Core – The Q-LED Core display produces color-coded lights during the Power-On Self-Test (POST) that can help you troubleshoot potential issues.
- Pre-Mounted I/O Shield – Our pre-installed I/O shield safeguards ports, simplifies the build process, increases functionality and enhances aesthetics for PC DIY enthusiasts.
- BIOS FlashBack™ – BIOS FlashBack™ simplifies BIOS updates. Just load the BIOS file onto a FAT32 USB stick, insert it into the BIOS FlashBack™ port, and press a button – no CPU or memory needed.
- SafeSlot Core+ – SafeSlot Core+ is a one-piece stainless-steel brace that shields the slot to protect it from damage. The metal cover is tightly secured to the slot with hooks, and the entire assembly is firmly anchored to the PCB with strengthened solder points to provide a secure foundation for heavyweight graphics cards.
Build for the most advanced pc for gaming and creating
When only the fastest will do, ASUS motherboards deliver. With faster dual-channel DDR5 memory support, AMD EXPO™ technology and PCIe® 4.0 support for both graphics and NVMe, you can play the most demanding games and deliver your biggest projects with the revolutionary performance of an ASUS motherboard and AMD Ryzen™ 9000, 8000, and 7000 Series processors.
Description
Specification
- Motherboard Type: Desktop
- Form Factor: ATX
- Socket: AMD AM5
- Chipset: AMD B840
- #Hide#DDR Type: DDR5
- CPU Support: Click here for CPU support
- RAM Technology: “DDR5 (Dual Channel)
ECC and Non-ECC Un-buffered DIMM*
Supports AMD EXPO
ASUS AEMP*Non-ECC, un-buffered DDR5 memory supports On-Die ECC function”
- RAM Slots: 4 x DIMM
- RAM Speeds: Up to 7600+MT/s (OC)
- Maximum Memory: 256GB
- Graphics: Integrated Graphics
Graphics specifications may vary between CPU types - Graphics Ports: 1 x HDMI
1 x DisplayPort - PCI/PCI Express: Ryzen 9000 & 7000 Series CPUs:
1 x PCIe 4.0 x16 (supports x16 mode)Ryzen 8000 Series CPUs:
1 x PCIe 4.0 x16 (supports x8/x4 mode)AMD B840 Chipset:
1 x PCIe 3.0 x16 (support x4 mode)
2 x PCIe 3.0 x16 (support x1 mode)
1 x PCIe 3.0 x1 - Storage: 4 x SATA III
3 x M.2Ryzen 9000 & 7000 Series CPUs:
M.2_1 (2280) – PCIe 4.0 x4
M.2_2 (2280) – PCIe 4.0 x4Ryzen 8000 Series CPUs:
M.2_1 (2280) – PCIe 4.0 x4
M.2_2 (2280) – PCIe 4.0 x4/x2AMD B840 Chipset:
M.2_3 (2242/2260/2280) – PCIe 3.0 x4 - RAID: AMD RAIDXpert2 Technology supports both PCIe RAID 0/1/5/10 and SATA RAID 0/1. RAID 5 Funciton is only supportted by AMD Ryzen 9000 series CPU
- Wireless: Wi-Fi 6E
2×2 Wi-Fi 6E (802.11ax)
Supports 2.4/5/6GHz frequency band
Bluetooth v5.3 - LAN: 2.5GB LAN
- Audio: Realtek 7.1 Surround Sound High Definition Audio CODEC
- USB Ports Supported: “Rear:
2 x USB 10Gbps (1 Type-A, 1 Type-C)
2 x USB 5Gbps Type-A
4 x USB 2.0Front:
1 x USB 5Gbps Type-C
2 x USB 5Gbps
4 x USB 2.0″ - Back Panel I/O Ports: “2 x USB 10Gbps (1 Type-A, 1 Type-C)
2 x USB 5Gbps Type-A
4 x USB 2.0
1 x DisplayPort
1 x HDMI
1 x Wi-Fi module
1 x Realtek 2.5Gb Ethernet
3 x Audio jacks
1 x BIOS FlashBack button “ - Internal I/O Connectors: 1 x 4-pin CPU Fan
1 x 4-pin CPU OPT Fan
1 x 4-pin AIO Pump
4 x 4-pin Chassis Fan
1 x 24-pin Main
1 x 8-pin +12V CPU
1 x 4-pin +12V CPU
3 x M.2 (Key M)
4 x SATA 6Gb/s
1 x USB 5Gbps Type-C
1 x USB 5Gbps
2 x USB 2.0 - .: 3 x Addressable Gen2
1 x Clear CMOS
1 x Chassis Intrusion
1 x COM Port
1 x Front Panel Audio
1 x S/PDIF Out
1 x SPI TPM (14-1 pin)
1 x 10-1 pin System Panel
1 x Thunderbolt (USB4) - Accessories: 2 x SATA 6Gb/s cables
1 x ASUS WiFi Q-Antenna
2 x M.2 rubber packages
2 x Screw packages for M.2 SSD
1 x Quick start guide - Additional Features: See Overview
- Package Type: Retail
- Package Weight: 1.2600 kg
- Warranty: 3 Years
- #Hide#M.2 Slot(s): Yes (M.2)
- #Hide#No. LAN Ports: 1 x LAN
- #Hide#Max LAN Speed: 2.5GB LAN
- #Hide#Wi-Fi: Yes (Wi-Fi)