SKU: PRIME B840M-A WIFI-CSM
Availability: In Stock
Brand: ASUS
Category: Motherboards
100% Guarantee Safe Checkout
The ASUS PRIME B840M-A WIFI-CSM is a feature-rich micro-ATX motherboard tailored for AMD AM5 socket Ryzen desktop processors. Designed with robust 8+2+1 phase digital power delivery and a six-layer PCB, it ensures exceptional stability and thermal performance for demanding workloads.
Memory & Storage: Supports up to 192GB DDR5 across 4 DIMM slots, compatible with AMD EXPO and ASUS Enhanced Memory Profile (AEMP) for easy memory tuning and overclocking. It houses 3 M.2 slots—two PCIe 4.0 x4 and one PCIe 3.0 x4—and 4 SATA 6Gb/s ports for versatile, high-speed storage configurations.
Expansion & Connectivity: The board includes a PCIe 4.0 x16 SafeSlot Core+ slot for high-performance GPUs and two PCIe 3.0 x16 physical slots (operating at x1). Integrated Wi-Fi 6E (2x2), Bluetooth, and Realtek 2.5Gb Ethernet ensure top-tier network speeds. Rear I/O offers HDMI and DisplayPort outputs (dependent on CPU with integrated graphics), dual 10Gbps USB Type-A ports, and a 5Gbps USB Type-C front-panel header.
Build & Features: Designed for easy DIY with a pre-mounted I/O shield, BIOS FlashBack for BIOS updates without CPU installation, and ASUS Fan Xpert 2+ for comprehensive fan and cooling control. The motherboard supports addressable Gen 2 RGB headers, customizable via Aura Sync software.
Corporate Stable Model (CSM): As part of ASUS’s CSM program, it provides extended lifecycle and includes ASUS Control Center Express management software, ideal for business and enterprise deployments.
Elevate your AMD Ryzen build with reliable performance, future-proof connectivity, and intelligent features with the ASUS PRIME B840M-A WIFI-CSM motherboard.
| Height | Addressable Gen 2 RGB headers |
| Width | BIOS FlashBack (update without CPU) |
| Length | 8+2+1 digital power design |
| Weight | 1 x HDMI,1 x DisplayPort (requires CPU with integrated graphics) |
| Dimensions (L x W x H) | USB 10Gbps Type-A (rear),1 x 5Gbps USB Type-C (front panel) |
| Connector Type | Wi-Fi 6E (2x2) |
| Connector Feature | Yes |
| Cable Type | 4 x SATA 6Gb\/s |
| Heat Spreader | Wi-Fi 6E (2x2) |
| Form Factor | 4 |
| Pins | Realtek 2.5 Gb Ethernet |
| Supported Data Rate | Realtek 2.5 Gb Ethernet |
| Tested Latency | PCIe 4.0 x16 SafeSlot Core+,PCIe 3.0 x16 (x1) |
| CAS Latency (CL) | 4 |
| SPD Timings | 192 |
| Tested Speed (MHz) | DDR5 |
| Speed (MHz) | AMD B840 |
| Part Number | Support for AMD EXPO and ASUS AEMP profiles |
| Model | 1 x PCIe 4.0 x16 SafeSlot Core+,PCIe 3.0 x16 (x1 mode) |
| Category | 3 (2 x PCIe 4.0 x4,1 x PCIe 3.0 x4 depending on CPU/chipset) |
| WiFi Speed (Mbps) | 1 |
| Bands | AMD AM5 |
| Voltage (V) | 3 |
| Total Capacity (GB) | Micro ATX |
| memory_type | ASUS |
| Module Configuration | AM5 |
| Mesh Technology | AMD B840 |
| Backhaul | DDR5 |
| WAN/LAN Ports | Micro ATX |
| Networking Interfaces | 4 x DIMM |
| Ethernet Ports | channel |
| Management Interface | 192GB |
| Product Type | BIOS FlashBack (update without CPU) |
| Model Number | HDMI,DisplayPort |
| Series | 8+2+1 digital power design |
| Model | ASUS PRIME B840M-A WIFI-CSM (AM5) |
Added to cart
Product successfully added to cart
Price: $0.00
Inclusive of all Taxes
(Also includes all applicable duties)
Live chat
