ASUS - Prime B840M-A WIFI-CSM Gaming Desktop Motherboard
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Specifications
- ChipsetAMD B840Form FactormicroATXProcessor SocketSocket AM5 (LGA 1718)Wireless Networking StandardWi-Fi 6ENumber Of Memory Slots4Maximum Memory Supported192 gigabytes
- Key Specs
- Chipset: AMD B840
- Form Factor: microATX (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.)
- 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 SDRAM
- General
- Brand: ASUS
- Product Name: Prime B840M-A WIFI-CSM Gaming Desktop Motherboard
- Compatibility
- Chipset: AMD B840
- Chipset Compatibility: AMD
- Form Factor: microATX (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 3 7000 Series, AMD Ryzen 3 8000 Series, AMD Ryzen 5 9000 Series
- 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 x16 Slots: 3
- Number Of Memory Slots: 4
- Connectivity
- Wireless Connectivity: Bluetooth, Wi-Fi (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.)
- Ports
- USB Ports: 1 x USB-A 3.2, 1 x USB-C 3.2, 4 x USB-A 2.0 (The number and type of USB ports the product has.)
- 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: 9.6 millimeters (The out of box length of the item. Length is measured as the longest dimension of the item.)
- Product Width: 9.6 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: 2.1 ounces (The out of box weight of the item.)
- Memory
- Maximum Memory Supported: 192 gigabytes
- Memory Type Supported: DDR5 SDRAM
- Memory Format Supported: UDIMM (Memory module size that will fit with the device.)
- Memory Speeds Supported: 7600 (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
- RAID Support: RAID 0, RAID 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: 197105797154
The Prime B840M-A WIFI-CSM Gaming Desktop Motherboard is engineered to unleash the full potential of AMD Ryzen processors. It offers a range of performance optimizations through intuitive software and firmware features, making it ideal for gaming and content creation. The motherboard supports dual-channel DDR5 memory up to 192GB, with speeds up to 7600+ MHz when overclocked. It provides multiple expansion slots, including PCIe 4.0 and PCIe 3.0 x16 slots, and multiple M.2 and SATA ports for flexible storage configurations. Networking is enhanced with Realtek 2.5Gb Ethernet, Wi-Fi 6E, and Bluetooth 5.3. The motherboard also features comprehensive cooling solutions, including VRM and M.2 heatsinks, PCH heatsink, hybrid fan headers, and Fan Xpert 2+. DIY-friendly design elements include a pre-mounted I/O shield, BIOS FlashBack, M.2 heatsink, Q-Antenna, Q-Dashboard, and Q-LED Core. Additionally, it offers enhanced power solutions with a 6-layer PCB, alloy chokes, and durable capacitors for stable power delivery. The motherboard is also ready for advanced AI computing, providing the power and connectivity needed for demanding AI applications.
- Processor Compatibility: Supports AMD Ryzen 9000, 8000, and 7000 Series processors with Socket AM5.
- Memory Support: Equipped with 4 DDR5 DIMM slots, supporting up to 192GB of memory at speeds up to 7600+ MHz (overclocked).
- Expansion Slots: Features 1 PCIe 4.0 x16 slot and 2 PCIe 3.0 x16 slots for versatile expansion options.
- Storage Options: Includes 3 M.2 slots (2 PCIe 4.0 x4 and 1 PCIe 3.0 x4) and 4 SATA 6Gb/s ports for flexible storage configurations.
- Networking Capabilities: Offers Realtek 2.5Gb Ethernet, Wi-Fi 6E, and Bluetooth 5.3 for high-speed connectivity.
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The Prime B840M-A WIFI-CSM Gaming Desktop Motherboard is engineered to unleash the full potential of AMD Ryzen processors. It offers a range of performance optimizations through intuitive software and firmware features, making it ideal for gaming and content creation. The motherboard supports dual-channel DDR5 memory up to 192GB, with speeds up to 7600+ MHz when overclocked. It provides multiple expansion slots, including PCIe 4.0 and PCIe 3.0 x16 slots, and multiple M.2 and SATA ports for flexible storage configurations. Networking is enhanced with Realtek 2.5Gb Ethernet, Wi-Fi 6E, and Bluetooth 5.3. The motherboard also features comprehensive cooling solutions, including VRM and M.2 heatsinks, PCH heatsink, hybrid fan headers, and Fan Xpert 2+. DIY-friendly design elements include a pre-mounted I/O shield, BIOS FlashBack, M.2 heatsink, Q-Antenna, Q-Dashboard, and Q-LED Core. Additionally, it offers enhanced power solutions with a 6-layer PCB, alloy chokes, and durable capacitors for stable power delivery. The motherboard is also ready for advanced AI computing, providing the power and connectivity needed for demanding AI applications.

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