ASUS
ASUS PRIME B840M-K AM5 Micro ATX Motherboard
£124.99
✔ UK-based seller
✔ Tracked delivery on all orders
✔ Genuine products
✔ Fast dispatch within 1–2 business days
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Estimated delivery between June 08 and June 10.
Delivery Information
Processing Time
Orders are typically processed and dispatched within 1–2 business days (Monday–Friday).
Orders placed after 3:00 PM (UK time) will be processed the next business day.
Delivery Time
Estimated delivery time within the United Kingdom is 3–5 business days after dispatch.
Delivery times are estimates and may vary depending on courier delays, location, or peak periods.
£124.99
£124.99
ASUS PRIME B840M-K is a Micro ATX motherboard designed for AMD Ryzen 7000, 8000, and 9000 Series processors on the AM5 platform. Built on the AMD B840 chipset with DDR5 memory, two PCIe 4.0 M.2 slots, 2.5GbE LAN, and a compact form factor, it offers a cost-effective entry point for AM5 builds.
UK-based seller
Tracked delivery across the UK
Genuine product from trusted distributors
Key Features
- AMD B840 chipset, AM5 socket - supports Ryzen 7000, 8000 and 9000 Series processors
- Micro ATX form factor (244 x 221mm)
- DDR5 memory - 2 slots, up to 128GB, up to DDR5-8000+ (OC)
- 1x PCIe 4.0 x16 slot for GPU
- 2x M.2 slots (PCIe 4.0 x4)
- 4x SATA 6Gb/s ports, RAID 0/1/5/10
- Realtek 2.5GbE LAN (ASUS LANGuard, no Wi-Fi)
- Realtek 7.1 Surround Sound HD Audio
- 3x Addressable RGB Gen 2 headers
- HDMI display output
Product Overview
The ASUS PRIME B840M-K is a compact and affordable Micro ATX board for AMD Ryzen AM5 builds. The B840 chipset provides a budget-friendly entry point with solid connectivity including PCIe 4.0 x16 for GPU, two PCIe 4.0 M.2 slots, and four SATA ports. DDR5 memory with OC support up to DDR5-8000+ offers headroom for future upgrades. 2.5GbE LAN provides fast wired networking, and three ARGB headers allow for lighting customisation.
Delivery & Fulfilment
This product is sold by TechFinder UK, a UK-based sole trader business.
All hardware is sourced through established distribution partners.
Orders are dispatched within 1-2 business days with tracked delivery across the United Kingdom.
Why Buy from TechFinder UK?
- UK-based sole trader - genuine products, real accountability
- Sourced through established distribution partners
- Secure checkout with buyer protection
- Tracked UK delivery, dispatched within 1-2 business days
- Pre- and post-purchase support available
Specifications
| Chipset | AMD B840 |
| Socket | AM5 (Ryzen 7000 / 8000 / 9000 Series) |
| Form Factor | Micro ATX (244 x 221mm) |
| Memory | 2x DDR5 DIMM, up to 128GB, up to DDR5-8000+ (OC) |
| PCIe Slots | 1x PCIe 4.0 x16 |
| M.2 Slots | 2x PCIe 4.0 x4 |
| SATA Ports | 4x SATA 6Gb/s (RAID 0/1/5/10) |
| LAN | Realtek 2.5GbE (ASUS LANGuard) |
| Wireless | None |
| Audio | Realtek 7.1 Surround Sound HD Audio |
| Rear I/O | 2x USB 2.0, 4x USB 5Gbps Type-A, 1x HDMI, 1x LAN, 3x Audio jacks |
| Internal Headers | 2x USB 2.0, 2x USB 5Gbps, 3x ARGB Gen 2, 1x TPM, 1x COM, 1x S/PDIF |
| BIOS | 256Mbit Flash, UEFI AMI BIOS |
| Weight | 0.65kg (net) |
Box Contents
- Motherboard
- 2x SATA 6Gb/s cables
- 1x I/O Shield
- 1x M.2 screw package
- Quick start guide
Product Identification
Model: PRIME B840M-K
EAN: 4711636435048
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