ASUS
ASUS PRIME B840M-A D5 WIFI-CSM Motherboard | Compact AM5 Platform with DDR5 | Wi-Fi 6E PCIe 4.0
ASUS PRIME B840M-A D5 WIFI-CSM Motherboard | Compact AM5 Platform with DDR5 | Wi-Fi 6E PCIe 4.0
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Built for reliability, speed, and productivity, the ASUS PRIME B840M-A WIFI-CSM micro-ATX motherboard delivers next-gen performance in a compact form factor. Designed to support AMD Ryzen™ 9000, 8000, and 7000 Series Desktop Processors on the AM5 socket, it integrates high-speed DDR5 memory support, PCIe 4.0 slots, dual DisplayPort outputs, and ultra-fast Wi-Fi 6E. Whether you're assembling a professional desktop or a compact powerhouse, this board provides excellent value, performance, and stability for your AM5-based build.
Optimized Performance with DDR5 and PCIe 4.0
Supporting DDR5 RAM up to 256GB at 7600+ MT/s (OC), the PRIME B840M-A WIFI-CSM ensures your system is future-ready for demanding workloads, fast multitasking, and memory-intensive applications. The PCIe 4.0 x16 slot allows modern GPUs and NVMe SSDs to operate at maximum bandwidth, while the additional PCIe 3.0 x16 (x1) slots provide expandability for additional cards like capture, audio, or network modules.
Fast Storage and RAID Support
Equipped with three M.2 slots and four SATA 6Gb/s ports, this motherboard provides ample high-speed storage support for boot drives, gaming libraries, and productivity files. You can create powerful RAID configurations with AMD RAIDXpert2 technology, enabling RAID 0/1/5/10 depending on your Ryzen processor. M.2 slots support PCIe 4.0/3.0 for maximum NVMe SSD performance.
Advanced Connectivity with Wi-Fi 6E and USB-C
Stay ahead with Realtek 2.5Gb Ethernet and onboard Wi-Fi 6E (802.11ax), which supports the full 2.4/5/6 GHz spectrum for low-latency online performance, including Bluetooth 5.3 for smart wireless accessories. USB connectivity is extensive, including rear USB 10Gbps Type-A ports, a front panel USB-C 5Gbps header, and a total of 14 USB ports across front and rear I/O.
Efficient Thermal and Power Design
With ASUS Fan Xpert 2+, multiple 4-pin fan headers, AIO pump support, and VRM heatsinks, the PRIME B840M-A WIFI-CSM stays cool and stable during intense workloads. Whether you're using it for business tasks, content creation, or entry-level gaming, thermal stability is guaranteed even in smaller PC enclosures.
Customization and Aesthetic Control with Aura Sync
This board includes three Addressable Gen 2 RGB headers for connecting compatible RGB strips and components, all controlled through ASUS Aura Sync. Customize and synchronize your lighting to match your build theme or create dynamic effects synced with music and system activity.
Full Specifications
| Specification | Details |
|---|---|
| Model | ASUS PRIME B840M-A WIFI-CSM |
| CPU Support | AMD Ryzen™ 9000 / 8000 / 7000 Series Desktop Processors |
| Chipset | AMD B840 |
| Memory | 4 x DIMM, up to 256GB DDR5 7600+ MT/s (OC), ECC/Non-ECC, dual-channel |
| Graphics Output | 2 x DisplayPort (8K@30Hz), 1 x HDMI 2.1 (4K@60Hz) |
| Expansion Slots | 1 x PCIe 4.0 x16, 2 x PCIe 3.0 x16 (x1 mode) |
| Storage | 3 x M.2 (PCIe 4.0/3.0 x4), 4 x SATA 6Gb/s |
| Ethernet | Realtek 2.5Gb LAN with ASUS LANGuard |
| Wireless | Wi-Fi 6E (2x2, 6GHz support), Bluetooth v5.3 |
| Rear USB Ports | 2 x USB 10Gbps Type-A, 1 x USB 5Gbps Type-C, 4 x USB 2.0 |
| Front USB Ports | 1 x USB 5Gbps Type-C header, 2 x USB 5Gbps, 4 x USB 2.0 |
| Audio | Realtek 7.1 HD Audio CODEC, Audio Shielding, Premium Caps |
| RGB Headers | 3 x Addressable Gen 2 |
| Special Features | BIOS FlashBack, SafeSlot Core+, Q-Antenna, Q-LED Core, Aura Sync |
| Form Factor | micro-ATX (24.4 x 24.4 cm) |
| Operating System | Windows 11, Windows 10 64-bit |
Compact and Powerful – Perfect for Modern Builds
The ASUS PRIME B840M-A WIFI-CSM is ideal for professionals, students, and enthusiasts who need a compact yet powerful foundation for AM5 systems. Whether you're configuring a work-from-home setup, media editing workstation, or general-purpose desktop, this motherboard provides premium features in a small footprint.
Why Buy from Mustafa Computers?
At Mustafa Computers, we ensure authentic ASUS components with expert guidance and nationwide availability in Pakistan. The PRIME B840M-A WIFI-CSM is a smart choice for anyone looking to harness the latest AMD performance in a compact, efficient, and Wi-Fi-ready motherboard. Get yours today and experience future-proof computing with reliability you can trust.
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Shipping Policy
Shipping Policy
Free Delivery within Lahore: Available on orders above PKR 10,000 (selected items only).
Other Cities: Free delivery on orders above PKR 15,000. Standard courier charges apply otherwise.
Delivery Time: 3–5 business days (subject to courier and destination).
Couriers: We use TCS and Postex. Bulky items may be shipped via city-to-city cargo, with self-collection for cheaper delivery.
COD Orders
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- 4% government tax applies on COD payments.
- Orders PKR 19,001–100,000 require 50% advance.
- Orders above PKR 100,000 require full advance or in-store pickup.
- Full advance may be required for certain items below PKR 19,000.
Return Policy Warranty
- 7 Days Return Warranty for defective or incorrect items.
- Products must be in original packaging with all accessories and documentation.
- No return for “change of mind”, software, or consumables (e.g., cartridges, toners).
Warranty Claim
- Warranty coverage is as per manufacturer or Mustafa Computers’ terms.
- Company may repair, replace, or issue a credit note for valid claims.
- No warranty for electrical damage, cartridges, or printer heads.
- Warranty void if item is physically damaged or packaging/accessories are missing.
- Check warranty applies to used items only.
- For international warranty, customer bears freight charges.
Customers must ensure they receive the warranty card and invoice at purchase. (Some items are valid by invoice only.)