ASUS PRIME B840M-A-CSM AMD AM5 Micro-ATX Motherboard
R2171.00 Incl. Vat
Or as low as KEY FEATURES:
– AMD B840 Chipset • AM5 Socket (Ryzen 9000 / 8000 / 7000)
– 8+2+1 Phase Power Design • Digi+ VRM
– 4× DDR5 Slots • Up to 192GB • 7600+ MHz (OC)
– 1× PCIe 4.0 x16 • 2× PCIe x1 Slots
– 3× M.2 (Gen4 + Gen3) + 4× SATA III
– 2.5G LAN • No WiFi
– USB 10Gbps Type-A + USB-C Front Header
– DisplayPort + HDMI
– BIOS FlashBack™ • Q-LED Core • Pre-Mounted I/O Shield
– 3 Year Warranty
Description
ASUS PRIME B840M-A-CSM AMD AM5 Micro-ATX Motherboard
PRIME B840M-A-CSM
SMART BUSINESS PLATFORM. MODERN AM5 PERFORMANCE.
The ASUS PRIME B840M-A-CSM is a business-focused AM5 motherboard designed to deliver stability, performance, and long-term reliability for office, commercial, and professional environments.
Built on the AMD B840 chipset, it supports Ryzen 7000, 8000, and 9000 series processors, offering a modern upgrade path with strong performance and efficiency.
It features DDR5 memory, PCIe 4.0 connectivity, and triple M.2 storage, ensuring fast system responsiveness and scalability for productivity workloads.
With ASUS’ CSM (Corporate Stable Model) ecosystem, this board is ideal for business deployments requiring consistent supply, management tools, and long lifecycle support.
WHY IT’S A GREAT CHOICE
BUSINESS-FOCUSED RELIABILITY (CSM PROGRAM)
Built for enterprise environments with long lifecycle and stable supply.
MODERN AM5 PLATFORM AT GREAT VALUE
Gives you Ryzen 9000 + DDR5 without premium pricing.
FAST STORAGE & MULTI-M.2 SUPPORT
Three M.2 slots make it ideal for office, workstation, or data-heavy setups.
2.5G LAN FOR FASTER NETWORKING
Better performance for file transfers and business networks.
PERFECT FOR OFFICE & COMMERCIAL BUILDS
Balanced feature set without unnecessary gaming extras.
SPECIFICATIONS:
| Feature | Details |
|---|---|
| Brand / Model | ASUS PRIME B840M-A-CSM (90MB1GX0-M0EAY0) |
| Form Factor | Micro-ATX |
| Socket | AM5 |
| Chipset | AMD B840 |
| CPU Support | Ryzen 7000 / 8000 / 9000 |
| Memory Support | 4× DDR5 up to 192GB |
| Memory Speed | Up to 7600+ MHz |
| PCIe Slots | 1× Gen4 x16, additional x1 slots |
| Storage | 3× M.2, 4× SATA |
| LAN | 2.5 Gigabit Ethernet |
| WiFi | ❌ Not included |
| USB Ports | USB 10Gbps + USB-C |
| Video Output | DisplayPort, HDMI |
| Special Features | CSM, BIOS FlashBack, Q-LED |
| Operating System | Windows 10 / 11 |
| Warranty | 3 Years |
Additional information
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