Motherboard Asus PRIME B550M-A/CSM DDR4 AM4

Motherboard Asus PRIME B550M-A/CSM

The ASUS PRIME B550M-A/CSM is a micro-ATX motherboard for socket AM4 based on the AMD B550 chipset, supporting AMD Ryzen 5000, 5000 G, 4000 G and 3000 processors. It has four dual-channel DDR4 slots for up to 128GB, a PCIe 4.0 x16 slot, two PCIe 3.0 x1 slots, two M.2 slots and four SATA ports with RAID 0/1/10.

The CSM (Corporate Stable Model) version is aimed at businesses: up to a 36-month lifecycle, a 6-month end-of-life notice and ASUS Control Center Express for managing company PCs. The rear panel offers HDMI, DVI-D and D-Sub for integrated graphics, two USB 3.2 Gen 2 and four USB 3.2 Gen 1 ports, Realtek 1Gb LAN and PS/2.

Key features

• AMD AM4 platform - AMD B550 chipset with support for Ryzen 5000, 5000 G, 4000 G and 3000 processors.
• PCIe 4.0 - A PCIe 4.0 x16 slot for the graphics card and an M.2 slot with PCIe 4.0 x4 on Ryzen 5000/3000 CPUs, plus a second M.2 slot at PCIe 3.0 x4.
• Four DDR4 slots - Up to 128GB in dual channel at up to 4866MHz (OC).
• Video outputs - HDMI 2.1 (4K@60Hz), DVI-D and D-Sub outputs for the CPU's integrated graphics.
• Corporate Stable Model - Up to a 36-month stable lifecycle and ASUS Control Center Express IT management software.
• ASUS 5X Protection III - DIGI+ VRM, LANGuard, overvoltage protection, SafeSlot Core and a stainless-steel back I/O, with Aura RGB and Addressable Gen 2 headers.

Specifications