ASUS Prime B550M-A
The ASUS Prime B550M-A/CSM commercial motherboard has enhanced enterprise-level features, including comprehensive system protection and improved management suite with ASUS Control Center Express, ASUS Corporate Stable Model complimentary advance replacement, and a guaranteed long product life cycle.

PCIe 4.0-Ready
Prime B550M-A/CSM has two M.2 slots, including the latest PCIe 4.0, to provide maximum storage flexibility and the fastest data speeds available via the 3rd Gen AMD Ryzen platform. Both M.2 slots support up to the type 22110 socket and NVM Express RAID for a performance boost.

ASUS Corporate Stable Model
The B550M-A/CSM is part of the ASUS Corporate Stable Model (CSM) program, designed to provide a reliable supply of motherboards to businesses everywhere.

ASUS Control Center Express(ACCE)
An integrated, real-time IT monitoring and management utility designed to speed up deployment, simplify IT operations, and improve productivity with comprehensive control and user-friendly design.

Enhanced Cooling
A VRM heatsink with underneath thermal pad improves heat transfer from the MOSFETs and chokes for better cooling performance.
Fastest Connectivity
1Gb LAN, USB 3.2 Gen 2 Type-C & Type-A ports, a front panel USB 3.2 Gen 1 connector, plus HDMI 2.1, D-Sub, and DVI display outputs

Primed Protection
- SafeSlot Core- Fortified PCIe slot prevents damage
- Overvoltage Protection- World-class circuit-protecting power design
- DRAM Overcurrent Protection- Short-circuit damage prevention
- Stainless-Steel Back I/O- 3X corrosion-resistance for more durability
- LANGuard – Pumped-up throughput 2.5X surge tolerance
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