Motherboard Asus PRIME B840M-A-CSM DDR5 AM5

Motherboard Asus PRIME B840M-A-CSM

The ASUS PRIME B840M-A-CSM is a micro-ATX motherboard for the AM5 socket that supports AMD Ryzen 9000, 8000 and 7000 Series desktop processors up to 170W. It is built on the AMD B840 chipset with four dual-channel DDR5 slots for up to 256GB at 7600+ MT/s (OC), an 8+2+1 phase digital power design, three M.2 slots and four SATA ports.

The CSM (Corporate Stable Model) version is aimed at businesses: up to 36 months of stable supply, a 6-month end-of-life notice and ASUS Control Center Express for remote management of company PCs. The rear panel offers two DisplayPort outputs and an HDMI port for integrated graphics, Realtek 2.5Gb Ethernet, USB 10Gbps and USB-C, plus a BIOS FlashBack button.

Key features

• AM5 and DDR5 - Ryzen 9000/8000/7000 support up to 170W, four DDR5 slots up to 256GB, EXPO and AEMP.
• Three M.2 slots - Two PCIe 4.0 x4 slots from the CPU and one PCIe 3.0 x4 from the chipset, with M.2 heatsink, plus four SATA ports.
• Three displays - Two DisplayPort 1.4 outputs up to 8K@30Hz and an HDMI 2.1 port up to 4K@60Hz.
• 2.5Gb Ethernet - Realtek 2.5Gb Ethernet controller with ASUS LANGuard protection.
• Corporate Stable Model - Up to 36-month stable lifecycle and ASUS Control Center Express IT management software.
• Easy DIY - Pre-mounted I/O shield, BIOS FlashBack, Q-DIMM, Q-Slot and Q-LED.

Specifications

In the box

• ASUS PRIME B840M-A-CSM motherboard
• 2 x SATA 6Gb/s cables
• M.2 rubber package
• 2 x M.2 screw packages
• ACC Express activation key card
• Quick start guide