ASUS PRIME B840M-A-CSM AMD B840 Socket AM5 DDR5 Micro-ATX Motherboard with PCIe 4.0, Dual M.2, 2.5Gb Ethernet, USB-C, HDMI, DisplayPort & Aura Sync
£134.09 Inc.VAT
In stock
In stock
Features
- Form Factor: Micro ATX
- Socket: AMD AM5
- Chipset: AMD B840
- DDR Type: DDR5
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- Free Pickup from our Central London Store.
- Standard Delivery (Free): Arrives in 2–3 working days.
- Express Delivery: Arrives in 1–2 working days.
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Asus Prime– Next-Generation Performance & Premium ROG Gaming
Built for AMD AM5 Performance
Advanced DDR5 Memory and System Efficiency
Equipped with four DDR5 memory slots supporting up to 192GB of RAM, the ASUS PRIME B840M-A-CSM is designed to meet the needs of power users, professionals, and growing businesses. DDR5 technology delivers significantly higher bandwidth and improved power efficiency compared to previous memory generations, resulting in faster data processing and smoother multitasking. This allows users to run complex applications, manage large datasets, and handle multiple browser tabs and software programs simultaneously without compromising system responsiveness. ASUS also incorporates advanced memory optimization technologies that help maximize stability and compatibility, ensuring your system performs reliably under both everyday and demanding workloads.
High-Speed Storage and Expansion Options
Storage performance is a critical component of any modern PC, and the PRIME B840M-A-CSM is built to deliver exceptional speed and flexibility. Featuring three M.2 slots and PCIe 4.0 support, the motherboard allows users to install high-performance NVMe SSDs for rapid boot times, faster file transfers, and improved application loading speeds. The PCIe 4.0 x16 slot provides the bandwidth needed for modern graphics cards and expansion devices, making the motherboard suitable for professional productivity, content creation, and light workstation applications. With multiple storage and expansion options available, users can easily customize their systems to meet evolving performance requirements while maintaining a clean and efficient build.
Comprehensive Connectivity for Business and Everyday Use
The ASUS PRIME B840M-A-CSM combines modern connectivity with business-focused reliability to create a versatile motherboard suitable for a wide range of applications. It features high-speed 2.5Gb Ethernet networking for faster and more stable wired connections, along with USB Type C support for convenient connectivity with modern devices and peripherals. Integrated HDMI and DisplayPort outputs provide flexible display options when using compatible AMD processors with integrated graphics. As part of the ASUS Corporate Stable Model program, the motherboard is specifically designed to support business deployments by offering long-term product availability, dependable quality, and simplified IT management. Combined with ASUS cooling technologies and durable components, the PRIME B840M-A-CSM delivers the reliability and functionality needed for both professional and personal computing environments.
| Brand | ASUS |
| Product Type | Motherboard |
| Model | PRIME B840M-A-CSM |
| Form Factor | Micro ATX |
| CPU Socket | AMD AM5 |
| Chipset | AMD B840 |
| Processor Support | AMD Ryzen 7000, 8000 and 9000 Series |
| Memory Type | DDR5 |
| Memory Slots | 4 x DIMM |
| Maximum Memory | Up to 192GB |
| Expansion Slot | PCIe 4.0 x16 |
| Storage Slots | 3 x M.2 Slots |
| M.2 Support | PCIe 4.0 and PCIe 3.0 |
| LAN | Realtek 2.5Gb Ethernet |
| USB Type C | Supported |
| USB 3.2 Gen 1 | Supported |
| HDMI | Yes |
| DisplayPort | Yes |
| Audio | 8-Channel HD Audio |
| Aura Sync | Supported |
| Cooling Features | VRM Heatsink, M.2 Heatsink and Fan Xpert 2+ |
| Business Feature | ASUS Corporate Stable Model |
| Compatibility | Windows 11 Ready |
| MPN | 90MB1J10-M0EAYC |
| EAN | 4711387797204 |
| Warranty | Manufacturer Warranty |
| Warranty Period | As Per ASUS Warranty Policy |
| Warranty Type | Carry-In / Service Centre Warranty |
| Warranty Coverage | Covers Manufacturing Defects Only |
| Weight | 0.00 kg |
|---|---|
| Manufacturer | Asus |
| Motherboard Form Factor | Micro ATX |
| Motherboard WIFI | Yes |
| DDR Type | DDR5 |
| Socket | AMD AM5 |
| Warranty | 1 Year |
Customer Reviews
Description
Asus Prime– Next-Generation Performance & Premium ROG Gaming
Built for AMD AM5 Performance
Advanced DDR5 Memory and System Efficiency
Equipped with four DDR5 memory slots supporting up to 192GB of RAM, the ASUS PRIME B840M-A-CSM is designed to meet the needs of power users, professionals, and growing businesses. DDR5 technology delivers significantly higher bandwidth and improved power efficiency compared to previous memory generations, resulting in faster data processing and smoother multitasking. This allows users to run complex applications, manage large datasets, and handle multiple browser tabs and software programs simultaneously without compromising system responsiveness. ASUS also incorporates advanced memory optimization technologies that help maximize stability and compatibility, ensuring your system performs reliably under both everyday and demanding workloads.
High-Speed Storage and Expansion Options
Storage performance is a critical component of any modern PC, and the PRIME B840M-A-CSM is built to deliver exceptional speed and flexibility. Featuring three M.2 slots and PCIe 4.0 support, the motherboard allows users to install high-performance NVMe SSDs for rapid boot times, faster file transfers, and improved application loading speeds. The PCIe 4.0 x16 slot provides the bandwidth needed for modern graphics cards and expansion devices, making the motherboard suitable for professional productivity, content creation, and light workstation applications. With multiple storage and expansion options available, users can easily customize their systems to meet evolving performance requirements while maintaining a clean and efficient build.
Comprehensive Connectivity for Business and Everyday Use
The ASUS PRIME B840M-A-CSM combines modern connectivity with business-focused reliability to create a versatile motherboard suitable for a wide range of applications. It features high-speed 2.5Gb Ethernet networking for faster and more stable wired connections, along with USB Type C support for convenient connectivity with modern devices and peripherals. Integrated HDMI and DisplayPort outputs provide flexible display options when using compatible AMD processors with integrated graphics. As part of the ASUS Corporate Stable Model program, the motherboard is specifically designed to support business deployments by offering long-term product availability, dependable quality, and simplified IT management. Combined with ASUS cooling technologies and durable components, the PRIME B840M-A-CSM delivers the reliability and functionality needed for both professional and personal computing environments.
Specifications
| Brand | ASUS |
| Product Type | Motherboard |
| Model | PRIME B840M-A-CSM |
| Form Factor | Micro ATX |
| CPU Socket | AMD AM5 |
| Chipset | AMD B840 |
| Processor Support | AMD Ryzen 7000, 8000 and 9000 Series |
| Memory Type | DDR5 |
| Memory Slots | 4 x DIMM |
| Maximum Memory | Up to 192GB |
| Expansion Slot | PCIe 4.0 x16 |
| Storage Slots | 3 x M.2 Slots |
| M.2 Support | PCIe 4.0 and PCIe 3.0 |
| LAN | Realtek 2.5Gb Ethernet |
| USB Type C | Supported |
| USB 3.2 Gen 1 | Supported |
| HDMI | Yes |
| DisplayPort | Yes |
| Audio | 8-Channel HD Audio |
| Aura Sync | Supported |
| Cooling Features | VRM Heatsink, M.2 Heatsink and Fan Xpert 2+ |
| Business Feature | ASUS Corporate Stable Model |
| Compatibility | Windows 11 Ready |
| MPN | 90MB1J10-M0EAYC |
| EAN | 4711387797204 |
Warranty
| Warranty | Manufacturer Warranty |
| Warranty Period | As Per ASUS Warranty Policy |
| Warranty Type | Carry-In / Service Centre Warranty |
| Warranty Coverage | Covers Manufacturing Defects Only |
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