Key Features
- ATX Form Factor
- AMD B840 Chipset
- Socket AM5
- DDR5 (Max: 256GB / 4 slots)
- 3 x M.2 & 15 x USB & 4 x SATA
- HDMI
Shipping & Delivery
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Standard Delivery
Our courier will deliver to the specified address
5-7 Working Days
From £4.99
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Express Delivery
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From £9.99
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Asus PRIME B840-PLUS WIFI ATX Motherboard for AMD AM5 CPUs
£184.37 Original price was: £184.37.£170.71Current price is: £170.71. INC VAT
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Key Features
- ATX Form Factor
- AMD B840 Chipset
- Socket AM5
- DDR5 (Max: 256GB / 4 slots)
- 3 x M.2 & 15 x USB & 4 x SATA
- HDMI
Shipping & Delivery
-
Standard Delivery
Our courier will deliver to the specified address
5-7 Working Days
From £4.99
-
Express Delivery
DHL courier will deliver to the specified address
2-3 Working Days
From £9.99
-
Free 30-Day returns
Description
ASUS PRIME B840-PLUS WIFI Unleash AM5 Power, Speed & Connectivity

Built for High-Performance Ryzen 9000 Systems
The ASUS PRIME B840-PLUS WIFI is engineered to unlock the full potential of AMD Ryzen 9000 Series processors. With robust power stages, six-layer PCB, and Digi+ VRM, it ensures exceptional durability and precise voltage delivery. This motherboard delivers ultimate stability and performance, ideal for gamers and creators seeking reliable overclocking and future-ready specs. The AM5 socket ensures compatibility with both current and next-gen CPUs, while the ATX form factor offers expanded features in a familiar size.

Next-Gen Memory, Storage, and Connectivity
Embrace cutting-edge technologies with DDR5 support up to 7600+ MT/s, triple M.2 slots for lightning-fast NVMe SSDs, and support for both PCIe 4.0 and PCIe 3.0 configurations. Whether you’re loading massive files, gaming with zero lag, or multitasking across applications, the ASUS PRIME B840-PLUS WIFI is up to the task. It also includes Realtek 2.5Gb LAN and WiFi 6E, ensuring ultra-fast, low-latency networking for seamless online performance in both wired and wireless modes.

Smarter Cooling, Easier Builds, and RGB Customization
Advanced thermal management includes Fan Xpert 2+, multiple fan headers, and support for AIO coolers to keep temperatures optimal under load. ASUS-exclusive DIY features like Q-Antenna, Q-LED Core, BIOS FlashBackâ„¢, and a pre-mounted I/O shield make setup and troubleshooting easier than ever. Add visual flair with ASUS Aura Sync and addressable Gen2 headers, syncing lighting effects across compatible devices for a stunning PC build that performs as good as it looks.
| Specification | Details |
|---|---|
| Motherboard Type | Desktop |
| Form Factor | ATX |
| Socket | AMD AM5 |
| Chipset | AMD B840 |
| Memory Type | DDR5 (Dual Channel, ECC/Non-ECC Un-buffered, EXPO & AEMP support) |
| Memory Slots | 4 x DIMM |
| Max Memory | 256GB |
| Max Memory Speed | Up to 7600+ MT/s (OC) |
| Graphics | Integrated (CPU dependent) |
| Graphics Outputs | 1 x HDMI, 1 x Display Port |
| PCIe Slots | Ryzen 9000/7000: 1 x PCIe 4.0 x16 Ryzen 8000: 1 x PCIe 4.0 x16 (x8/x4) Chipset: 1 x PCIe 3.0 x16 (x4), 2 x PCIe 3.0 x16 (x1), 1 x PCIe 3.0 x1 |
| Storage | 4 x SATA III 3 x M.2 (2 x PCIe 4.0, 1 x PCIe 3.0) |
| RAID Support | RAID 0/1/5/10 via RAIDXpert2 (RAID 5 with Ryzen 9000 only) |
| Networking | WiFi 6E (2×2, 2.4/5/6GHz), Bluetooth 5.3, Realtek 2.5Gb LAN |
| Audio | Realtek 7.1 Surround Sound HD Audio CODEC |
| Rear USB | 2 x USB 10Gbps (Type-A & Type-C) 2 x USB 5Gbps Type-A 4 x USB 2.0 |
| Front USB | 1 x USB 5Gbps Type-C 2 x USB 5Gbps 4 x USB 2.0 |
| Back Panel I/O | 2 x USB 10Gbps (Type-A & Type-C) 2 x USB 5Gbps Type-A 4 x USB 2.0 1 x HDMI, 1 x Display Port 1 x 2.5Gb LAN 1 x Wi-Fi Module 3 x Audio Jacks 1 x BIOS FlashBackâ„¢ Button |
| Internal I/O | 1 x 24-pin ATX 1 x 8-pin +12V CPU 1 x 4-pin +12V CPU 1 x 4-pin CPU Fan, 1 x CPU OPT Fan 1 x AIO Pump, 4 x Chassis Fans 3 x M.2 (Key M) 4 x SATA 6Gb/s USB: 1 x Type-C, 1 x 5Gbps, 2 x USB 2.0 3 x Gen2 RGB Headers Clear CMOS, Chassis Intrusion, COM, S/PDIF Out, SPI TPM, Thunderbolt (USB4) |
| Accessories | 2 x SATA 6Gb/s Cables 1 x WiFi Q-Antenna 2 x M.2 Rubber Kits 2 x M.2 Screws 1 x Quick Start Guide |
| Warranty | 3 Years |
| Package Type | Retail |
| Package Weight | 1.260 kg |
