ASUS PRIME B840-PLUS WIFI-CSM

Product Overview

The ASUS PRIME B840-PLUS WIFI-CSM is a full-feature ATX motherboard designed to deliver stable, business-class performance with integrated wireless connectivity and enterprise-focused management features. As part of ASUS Prime series, this board balances robust power delivery, comprehensive connectivity and expandability for mainstream desktops, workstations, and corporate deployments. The CSM (Corporate Stable Model) designation emphasizes long-term availability, validated reliability, and firmware stability important for IT integrators and business environments. Built to accommodate modern DDR5 memory and contemporary storage standards, the B840-PLUS WIFI-CSM offers an adaptable platform for high-performance systems while providing the convenience of onboard WiFi and a well-rounded I/O complement.

Key Features

• Built-in WiFi: Integrated wireless networking provides immediate connectivity for environments where wired LAN is not preferred or for quick setup of systems without external adapters.
• Corporate Stable Model (CSM): Designed for enterprise deployment with extended availability and enhanced firmware stability, making it a strong choice for business and managed IT environments.
• ATX Form Factor: Standard ATX size for compatibility with a wide range of cases and cooling solutions, offering multiple expansion slot options for GPUs and add-in cards.
• DDR5 Memory Support: Modern memory standard with support for dual-channel DDR5 memory; four DIMM slots enable flexible memory configurations and performance scaling for demanding applications.
• Robust Power Delivery: Engineered VRM and power stages to support sustained CPU performance under load, improving stability for productivity and multitasking workloads.
• Multi-Storage Options: M.2 NVMe support and multiple SATA ports allow fast SSD storage alongside traditional HDDs for balanced capacity and performance.
• Comprehensive Connectivity: A broad mix of USB ports, networking, and display outputs ensures compatibility with current peripherals and external devices.
• Durable Components: High-quality capacitors and reinforced PCIe slots enhance reliability and longevity for continuous operation in professional settings.

Technical Specifications

• Manufacturer: ASUS — PRIME series motherboard engineered for stability and compatibility.
• Model Number / MPN: 90MB1IZ0-M0UAYC (ASUS PRIME B840-PLUS WIFI-CSM).
• Chipset: Intel B840 chipset-class functionality (platform-grade mainstream chipset for contemporary Intel CPUs).
• Form Factor: ATX — standard full-size motherboard layout with ample expansion and cooling clearance.
• Memory Type & Configuration: DDR5 memory support, dual-channel architecture with 4 DIMM slots for balanced performance and capacity scaling.
• Maximum Memory Capacity: Up to 128GB total system memory when populated across all available DIMM slots, enabling heavy multitasking and memory-intensive workloads.
• Memory Speed: Supports modern DDR5 frequency ranges; actual achievable speeds depend on installed memory modules and CPU memory controller capabilities.
• Expansion Slots: Primary PCIe x16 slot for discrete graphics or accelerator cards plus additional PCIe slots for networking, storage or other expansion cards.
• Storage Interfaces: Multiple M.2 NVMe slot support for high-speed SSDs and multiple SATA 6Gb/s ports for traditional storage devices; combination enables tiered storage configurations.
• Networking: Integrated WiFi module for wireless connectivity and on-board Ethernet for reliable wired networking.
• Rear I/O & USB: Versatile assortment of USB ports and display outputs to connect monitors, external drives, input devices and peripherals commonly used in desktops.
• BIOS / Management: BIOS tuned for stability with features suitable for corporate deployment and system maintainability.

Whatomesoxed

• ASUS PRIME B840-PLUS WIFI-CSM motherboard (Model / MPN: 90MB1IZ0-M0UAYC)
• WiFi antenna(s) for the onboard wireless module
• Input/Output (I/O) shield/backplate
• Serial ATA (SATA) cable(s) for storage connections
• Quick start guide and user manual for installation, BIOS setup and configuration
• Support documentation and warranty information from ASUS

Note: This listing describes the motherboard unit and standard accessories as supplied by the manufacturer. Specific bundled items or included cables may vary by retailer or region. For maximum performance, pair with compatible DDR5 memory modules, a supported CPU, and appropriate cooling. If you require additional accessories such as a discrete graphics card, M.2 drives, or additional mounting hardware, these are sold separately.