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Asus PRIME B850M-A-CSM – Corporate Stable Model, AMD B850, AM5, Micro ATX, 4 DDR5, HDMI, 2 DP, 2.5G LAN, 3x M.2
£165.59 Original price was: £165.59.£156.10Current price is: £156.10.
- Storage 4 x SATA
- PCI/PCI Express Varies by CPU
- Package TypeRetail
- LAN2.5GB LAN
Shipping & Delivery
- Courier delivery
Our courier will deliver to the specified address
2-3 Days
From £20
- DHL Courier delivery
DHL courier will deliver to the specified address
2-3 Days
From £40
- Warranty 1 year
- Free 30-Day returns
Shipping & Delivery
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Free delivery
Fast & Free Delivery to Your Door
2-3 Days
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Royal Mail delivery
Delivered Safely via Royal Mail
1 Day
From £4.99
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Payment Methods:


- 0% Interest for 4 months
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Description
Product Description
ASUS PRIME B850M-A-CSM Corporate-Grade Stability and Cutting-Edge AM5 Power
Professional Stability Meets High-End Performance
The ASUS PRIME B850M-A-CSM motherboard is purpose-built for business-grade reliability with modern features demanded by professionals and system integrators. Built on the AMD B850 chipset and supporting the latest AM5 processors, it brings the power of PCIe 5.0, DDR5 memory, and triple M.2 slots into a compact Micro ATX form factor. With corporate-stable components, BIOS FlashBack support, and ASUS’ renowned durability, it ensures long-term productivity with reduced downtime.
Commercial Features with Enterprise Tools
As part of the Corporate Stable Model (CSM) program, this board includes ASUS Control Center Express—an integrated IT management suite that enables efficient system monitoring, endpoint control, remote maintenance, and secure configurations. Designed with enterprise in mind, it extends lifecycle support and simplifies infrastructure deployment across professional environments, all while delivering advanced networking with 2.5Gb Ethernet and front-panel USB 5Gbps Type-C.
Reliable Expansion and Visual Versatility
Offering full display flexibility with dual DisplayPort and HDMI outputs, the PRIME B850M-A-CSM is ready for multi-screen setups or client stations. Onboard RGB Gen2 headers, advanced fan controls, and reinforced SafeSlot PCIe 5.0 bring futureproof design to the professional arena. Whether in a business suite or a compact build, this motherboard delivers outstanding performance and robust management tools for serious users.
| Motherboard Type | Desktop |
|---|---|
| Form Factor | Micro ATX |
| Socket | AMD AM5 |
| Chipset | AMD B850 |
| DDR Type | DDR5 |
| CPU Support | Click here for CPU support |
| RAM Technology | DDR5 (Dual Channel) ECC and Non-ECC Un-buffered DIMM* Supports AMD EXPO ASUS AEMP *Non-ECC, un-buffered DDR5 memory supports On-Die ECC function |
| RAM Slots | 4 x DIMM |
| RAM Speeds | Up to 8000+MT/s (OC) |
| Maximum Memory | 256GB |
| Graphics | Integrated Graphics (May vary by CPU) |
| Graphics Ports | 1 x HDMI, 2 x Display Port |
| PCI/PCI Express | Varies by CPU; Includes PCIe 5.0 x16 and PCIe 4.0 x16 slots |
| Storage | 4 x SATA III, 3 x M.2 (PCIe 5.0 x4, PCIe 4.0 x4) |
| RAID | Supports RAID 0/1/5/10 (varies by CPU) |
| Wireless | – |
| LAN | 2.5GB LAN |
| Audio | Realtek 7.1 Surround Sound HD Audio CODEC |
| USB Ports | Rear: 2 x USB 10Gbps Type-A, 2 x USB 5Gbps Type-A, 4 x USB 2.0 | Front: 1 x USB 5Gbps Type-C, 2 x USB 5Gbps, 4 x USB 2.0 |
| Back Panel I/O | 2 x USB 10Gbps, 2 x USB 5Gbps, 4 x USB 2.0, 2 x Display Port, 1 x HDMI, 1 x 2.5Gb LAN, 3 x Audio jacks, 1 x BIOS FlashBack |
| Internal I/O | All standard headers including 3 x M.2, 4 x SATA 6Gb/s, CPU/AIO/Chassis fan, USB, RGB, COM, TPM |
| Accessories | 2 x SATA cables, M.2 rubber package, screws, quick start guide, ACC Express activation key |
| Package Type | Retail |
| Package Weight | 1.4500 kg |
| Warranty | 3 Years |
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