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Home Networking Servers & Storage Data Storage ASUS PRIME B840-PLUS WIFI-CSM AMD AM5 ATX Motherboard (3-Year Warranty)

ASUS PRIME B840-PLUS WIFI-CSM AMD AM5 ATX Motherboard (3-Year Warranty)

Brand:
Asus

ASUS PRIME B840-PLUS WIFI-CSM is an AMD AM5 ATX motherboard featuring DDR5 memory support, Wi-Fi 6E, 2.5Gb Ethernet and three M.2 storage slots. Suitable for business desktop assembly, workstation builds, IT procurement and system integration projects.

OVERVIEW

  • The ASUS PRIME B840-PLUS WIFI-CSM is an ATX motherboard designed for desktop systems based on compatible AMD Ryzen processors. Built on the AMD B840 chipset and AM5 socket, it combines DDR5 memory support with modern wired and wireless connectivity.
  • With three M.2 slots, four SATA 6Gb/s ports, Wi-Fi 6E and 2.5Gb Ethernet, this motherboard offers flexible storage and networking options for business desktops, professional computing setups and custom PC assembly. Its ASUS Corporate Stable Model (CSM) designation makes it relevant for IT resellers and organizations evaluating hardware for managed desktop deployments.

USE CASES

  • Business desktop assembly: Build office PCs for productivity, administration and everyday business applications.
  • B2B hardware procurement: Source motherboards for corporate desktop projects and IT equipment purchasing.
  • System integrators and PC builders: Assemble custom systems using compatible AMD Ryzen AM5 processors and DDR5 memory.
  • Professional workstation configurations: Build suitable workstations for multitasking, development and other CPU-dependent workloads.
  • IT reseller distribution: Offer a connectivity-rich motherboard to business customers and desktop hardware buyers.
  • Storage-focused PC builds: Use compatible M.2 SSDs and SATA drives to configure system storage.

KEY FEATURES

  • AMD AM5 platform: Supports compatible AMD Ryzen 9000, 8000 and 7000 Series desktop processors, subject to the CPU support list.
  • AMD B840 chipset: Provides the platform foundation for compatible business and desktop PC configurations.
  • DDR5 memory: Four DIMM slots with dual-channel support.
  • Wi-Fi 6E connectivity: Supports compatible 2.4GHz, 5GHz and 6GHz wireless networks, subject to regional regulations.
  • 2.5Gb Ethernet: Provides high-speed wired networking for compatible network infrastructure.
  • Three M.2 slots: Supports compatible M.2 SSD configurations.
  • Four SATA 6Gb/s ports: Enables additional compatible SATA storage devices.
  • USB Type-C connectivity: Includes a rear USB Type-C port rated for USB 10Gbps.
  • Display outputs: Includes DisplayPort and HDMI, with output capabilities dependent on the installed processor.
  • BIOS FlashBack: Offers a convenient supported BIOS update method.
  • ASUS CSM platform: Designed for business-oriented hardware procurement and IT deployment scenarios. 

TECHNICAL SPECIFICATIONS

  • Brand: ASUS
  • Product series: PRIME
  • Model: PRIME B840-PLUS WIFI-CSM
  • Motherboard type: Desktop motherboard
  • CPU socket: AMD AM5
  • Chipset: AMD B840
  • Supported processors: AMD Ryzen 9000, 8000 and 7000 Series desktop processors; verify CPU compatibility
  • Form factor: ATX, 30.5 × 24.4 cm
  • Memory type: DDR5
  • Memory slots: 4 × DIMM
  • Maximum memory: Up to 256GB per ASUS US specifications; verify regional specification and CPU support
  • Wireless connectivity: Wi-Fi 6E
  • Bluetooth: Bluetooth 5.3, subject to wireless module specifications
  • Wired networking: Realtek 2.5Gb Ethernet
  • M.2 storage: 3 × M.2 slots; supported modes vary by processor
  • SATA storage: 4 × SATA 6Gb/s

WHY CHOOSE THE MODEL?

  • Flexible platform compatibility: The AM5 socket supports multiple compatible AMD Ryzen desktop processor generations.
  • Modern connectivity: Wi-Fi 6E and 2.5Gb Ethernet provide options for wireless and wired networking.
  • Expandable storage: Three M.2 slots and four SATA ports support a range of compatible storage configurations.
  • Business procurement relevance: The CSM model designation makes it worth evaluating for corporate hardware sourcing and system integration.

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