Specifications
- ChipsetAMD B840Form FactorATXProcessor SocketSocket AM5 (LGA 1718)Number of PCI-E Slots5Wireless Networking StandardWi-Fi 6ENumber Of Memory Slots4
- Key Specs
- Chipset: AMD B840
- Form Factor: ATX (The size, arrangement, and physical configuration of the product.)
- Processor Socket: Socket AM5 (LGA 1718) (Type of pin configuration that connects a CPU to a computer’s motherboard.)
- Number of PCI-E Slots: 5 (How many peripheral component interconnect express slots are available.)
- Wireless Networking Standard: Wi-Fi 6E (The wireless networking standard used by the device. Each iteration of the standard developed by the Wi-Fi Alliance corresponds to an existing IEEE 802.11 protocol; for example, standard 802.11ac (or AC) is termed Wi-Fi 5. Refers specifically to the standard the device is designed to use, but ultimately determines product interoperability and backward compatibility including previous versions.)
- Number Of Memory Slots: 4
- Maximum Memory Supported: 192 gigabytes
- Memory Type Supported: DDR5
- General
- Brand: ASUS
- Model Number: PRIME B840-PLUS WIFI
- Product Name: PRIME B840-PLUS WIFI (Socket AM5) AMD B840 ATX DDR5 Wi-Fi 6E Motherboard
- Color: White
- Year of Release: 2025
- Compatibility
- Chipset: AMD B840
- Chipset Compatibility: AMD
- Form Factor: ATX (The size, arrangement, and physical configuration of the product.)
- Processor Socket: Socket AM5 (LGA 1718) (Type of pin configuration that connects a CPU to a computer’s motherboard.)
- Processor Compatibility: AMD Ryzen 9 9000 Series, AMD Ryzen 7 9000 Series, AMD Ryzen 5 9000 Series, AMD Ryzen 9 7000 Series, AMD Ryzen 7 7000 Series, AMD Ryzen 7 5000 Series, AMD Ryzen 5 9000 Series, AMD Ryzen 5 7000 Series, AMD Ryzen 5 5000 Series
- Operating System Compatibility: Windows 11 Home, Windows 11 Pro
- Slot
- Number of M.2 Slots: 3 (This interface is most commonly used for high-speed solid state drives (SSDs), and is often used in laptops due to its small size.)
- Number of PCI-E Slots: 5 (How many peripheral component interconnect express slots are available.)
- Number Of PCI-E x16 Slots: 4
- Number Of Memory Slots: 4
- Connectivity
- SATA Connector: 4 (The configuration of the connector as it connects a computer power supply unit to a SATA-based drive.)
- Wireless Connectivity: Wi-Fi, Bluetooth (The manner in which a device sends data to another device over a short distance without the use of wires or cables.)
- Wireless Networking Standard: Wi-Fi 6E (The wireless networking standard used by the device. Each iteration of the standard developed by the Wi-Fi Alliance corresponds to an existing IEEE 802.11 protocol; for example, standard 802.11ac (or AC) is termed Wi-Fi 5. Refers specifically to the standard the device is designed to use, but ultimately determines product interoperability and backward compatibility including previous versions.)
- Wireless Standard: AC (The wireless networking protocol used by the device. Each iteration of the protocol is based on the 802.11 standard developed by the Institute of Electrical and Electronics Engineers (IEEE) Standards Association. Denoted by letters following 802.11 (802.11a, 802.11ac, etc.), each version, published in alphabetical order, encompasses all previous versions.)
- Ports
- USB Ports: 5 x USB-A 3.2, 2 x USB-C 3.2, 8 x USB-A 2.0 (The number and type of USB ports the product has.)
- Audio Ports: 7
- Number of Audio Channels: 7.1 (The number of discrete channels of sound output. This can be a single number or multiple numbers separated by decimal(s). The first number is the primary, horizontally directed audio channels. The number after the first decimal, if applicable, is the number of subwoofer outputs or channels. The number after the second decimal, if applicable, is the number of height or atmospheric channels designed to immerse the listener by producing overhead sound effects.)
- Dimensions
- Product Length: 305 millimeters (The out of box length of the item. Length is measured as the longest dimension of the item.)
- Product Width: 244 millimeters (The out of box width of the item. Width is measured as the horizontal distance from one side of the item to the other as it would be primarily used or placed.)
- Product Weight: 36.32 ounces (The out of box weight of the item.)
- Memory
- Maximum Memory Supported: 192 gigabytes
- Memory Type Supported: DDR5
- Memory Format Supported: UDIMM (Memory module size that will fit with the device.)
- Memory Speeds Supported: up to 7600+MT/s (OC) (The RAM's bandwidth rating supported by the device. The number refers to transfer speed. For example, 12800 would indicate that the memory has a theoretical bandwidth of 12,800 megabytes per second (MBs). The higher the number, the faster the speed.)
- Memory Slot Type: 288-pin DIMM
- Features
- Multi-GPU Support: None
- RAID Support: RAID 0, RAID 01 (RAID 0+1), RAID 10 (RAID 1+0) (A Redundant Array of Independent Disks (RAID) includes a collection of separate disks that your computer recognizes as one disk unit. Each configuration offers a different level of mirroring, striping and read/write speeds.)
- Warranty
- Warranty - Parts: 3 Years
- Warranty - Labor: 3 Years
- Other
- UPC: 197105797277
ASUS PRIME B840-PLUS WIFI is equipped with outstanding features, including 6-layer PCB, DDR5, PCIe 4.0 x16, three M.2 slots, Wi-Fi 6E, 2.5Gb Ethernet, DisplayPort, HDMI, USB 10Gbps Type-A & Type-C, BIOS FlashBack, M.2 heatsink, Aura Sync, which will bring maximized performance, stability and compatibility for the best DIY PC experiences
- Ready for Advanced AI PC: Designed for the future of AI computing, with the power and connectivity needed for demanding AI applications
- AMD AM5 Socket: Ready for AMD Socket AM5 for AMD Ryzen 9000 & 8000 & 7000 Series Desktop Processors
- Enhanced Power Solution: 6-layer PCB, alloy chokes and durable capacitors for stable power delivery
- Ultrafast Connectivity: Wi-Fi 6E, PCIe 4.0 x16 slot, PCIe 4.0 M.2 slots, Realtek 2.5Gb Ethernet, rear USB 10Gbps Type-A & Type-C ports, and front USB 5Gbps Type-C support
- Comprehensive Cooling: VRM and M.2 heatsinks, PCH heatsink, hybrid fan headers and Fan Xpert 2+
- DIY Friendly Design: Pre-mounted I/O shield, BIOS FlashBack, M.2 heatsink, Q-Antenna, Q-Dashboard, Q-LED Core
- Unmatched Personalization: Three Addressable Gen 2 headers, all configurable with ASUS-exclusive Aura Sync RGB lighting
- Renowned Software: Armoury Crate, ASUS DriverHub, ASUS GlideX, ASUS MyHotkey
Q: Is the motherboard compatible with AMD Ryzen 9 9000 Series processors?
A: This motherboard is compatible with AMD Ryzen 9 9000 Series processors.
Q: What is the form factor of the motherboard?
A: The form factor of the motherboard is ATX.
Q: What is the weight of the motherboard?
A: The product weight is 36.32 ounces.
Q: What is the maximum memory supported by the motherboard?
A: The maximum memory supported by the motherboard is 192 gigabytes.
Q: How many memory slots does the motherboard have?
A: The motherboard has 4 memory slots.
Q: Does the motherboard have a built-in Wi-Fi 6E adapter?
A: This motherboard does have a built-in Wi-Fi 6E adapter.
Q: Can the motherboard support RAID 0?
A: This motherboard does offer support for RAID 0.
ASUS - PRIME B840-PLUS WIFI (Socket AM5) AMD B840 ATX DDR5 Wi-Fi 6E Motherboard - White
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Package - ASUS - PRIME B840-PLUS WIFI (Socket AM5) AMD B840 ATX DDR5 Wi-Fi 6E Motherboard - White + 3 more items
Your price for this item is $858.97The comparable value for this item is $1,002.97Package - ASUS - PRIME B840-PLUS WIFI (Socket AM5) AMD B840 ATX DDR5 Wi-Fi 6E Motherboard - White + 3 more items
Your price for this item is $754.96The comparable value for this item is $892.97Package - ASUS - PRIME B840-PLUS WIFI (Socket AM5) AMD B840 ATX DDR5 Wi-Fi 6E Motherboard - White + 3 more items
Your price for this item is $818.97The comparable value for this item is $1,103.96
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| Pros for ASUS - PRIME B840-PLUS WIFI (Socket AM5) AMD B840 ATX DDR5 Wi-Fi 6E Motherboard - White | |||
|---|---|---|---|
| There were no pros for this product— | Performance, Ease of use, Wi-Fi, M.2 Slots, Price | Ease of use, Performance, Wi-Fi 6E, Appearance | BIOS |
| Cons for ASUS - PRIME B840-PLUS WIFI (Socket AM5) AMD B840 ATX DDR5 Wi-Fi 6E Motherboard - White | |||
| There were no cons for this product— | BIOS, USB 2.0 | There were no cons for this product— | Memory Compatibility |
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Reviews
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
- Rated 5 out of 5 stars
A great gaming motherboard! Buy buy buy!
This is probably one of the most versatile motherboard out there. Solid design and excellent gaming performance. Asus has great products and warranty.
Posted by MarkC