The Stable Foundation. Essential AMD Performance and Corporate Reliability. — Delivering dependable connectivity and proven ASUS quality for mainstream and commercial AM4 systems.
The ASUS PRIME A520M-K-CSM is a durable, business-ready Micro-ATX motherboard supporting AMD Ryzen™ 5000 Series/4000 G-Series/3000 Series desktop processors on the AM4 socket. Based on the AMD A520 chipset, it provides fundamental features for reliable computing, including support for up to 64GB of DDR4 memory (4800MHz OC) and a dedicated M.2 slot for NVMe or SATA SSDs. The "CSM" (Corporate Stable Model) designation ensures long-term product supply and IT management features. With ASUS's 5X Protection III hardware safeguards and comprehensive cooling controls, this board is an excellent, cost-effective choice for both everyday desktop builds and professional environments requiring stability.
ASUS PRIME A520M-K-CSM AM4 Micro-ATX Motherboard
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Form Factor: Micro-ATX (22.6 cm x 22.1 cm)
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CPU Socket: AMD AM4
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Chipset: AMD A520
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CPU Support: AMD Ryzen™ 5000/4000 G/3000 Series
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Memory: 2 x DDR4 DIMM slots, max 64GB
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Max Memory Speed: 4800(O.C.) MHz
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Expansion Slots: 1 x PCIe 3.0 x16, 2 x PCIe 3.0 x1
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Storage: 1 x M.2 Slot (PCIe 3.0 x4), 4 x SATA 6Gb/s ports
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LAN: Realtek® 1Gb Ethernet
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Video Output: HDMI 2.1, D-Sub (VGA)
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Audio: Realtek ALC887/897 7.1 Surround Sound High Definition Audio
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