The ASUS PRIME B840M-A WIFI-CSM is a compact, reliable mATX motherboard designed for AMD AM5 processors, delivering enterprise-grade stability and advanced connectivity for professional workstations and business environments. It provides fast, flexible upgrade paths with PCIe 4.0, three M.2 slots, and integrated Wi‑Fi 6E.
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Form Factor: mATX
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Chipset / Socket: AMD B840 chipset for AM5
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Memory Support: DDR5 compatibility for faster, more efficient performance
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Storage Expansion: PCIe 4.0 and 3x M.2 slots for versatile SSD configurations
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Networking: Wi‑Fi 6E and 2.5Gb LAN for fast, reliable connectivity
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Video Outputs: DisplayPort and HDMI for multi-monitor setups
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USB Connectivity: USB 5Gbps Type‑C for quick data transfers
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BIOS: BIOS FlashBack simplifies firmware updates
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Aura Sync: RGB lighting that can be synchronized with other Aura-enabled components
Designed to keep professional systems current and reliable, this motherboard supports high-speed DDR5 memory, flexible storage expansion, and robust network options. Three M.2 slots accommodate fast SSDs as your data needs grow, while PCIe 4.0 ensures rapid data transfer. Integrated Wi‑Fi 6E and 2.5Gb LAN reduce latency for online collaboration and remote work, and Aura Sync lets you tailor your rig’s look to match your brand or workspace. BIOS FlashBack provides peace of mind by enabling firmware updates without a CPU, helping you maintain compatibility with newer hardware without downtime.
Specifications
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Form Factor: mATX
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Chipset: AMD B840
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Socket: AM5
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Memory: DDR5 support
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Expansion: PCIe 4.0, 3x M.2 slots
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Networking: Wi‑Fi 6E, 2.5Gb LAN
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Video Outputs: DisplayPort, HDMI
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USB: USB 5Gbps Type‑C
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BIOS: FlashBack
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Lighting: Aura Sync
FAQ
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Is this motherboard compatible with all AMD AM5 processors? Yes, it supports AMD AM5 socket processors.
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How many M.2 slots are available? There are three M.2 slots for SSDs.
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Does it support Wi-Fi connectivity? Yes, it includes Wi‑Fi 6E for fast wireless networking.
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Can I update the BIOS without a CPU installed? Yes, BIOS FlashBack allows updates without a CPU.
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What type of USB ports are included? It features USB 5Gbps Type‑C ports for high-speed data transfer.
