ASUS PRIME B850M-K AMD B850 Socket AM5 micro ATX
Brand Asus
From
£129.94
+ £4.95 delivery
You save £3.88 (3%)
5 offers at 5 retailers
Listed since 7 April 2026
Compare prices
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Description
Specifications
| Processor manufacturer | AMD |
| Processor socket | Socket AM5 |
| Compatible processor series | AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series |
| Supported processor sockets | Socket AM5 |
| Supported memory types | DDR5-SDRAM |
| Number of memory slots | 2 |
| Memory slots type | DIMM |
| Memory channels | Dual-channel |
| ECC сompatibility | ECC & Non-ECC |
| Maximum internal memory | 128 GB |
| Unbuffered memory | Yes |
| Supported storage drive types | HDD & SSD |
| Supported storage drive interfaces | M.2, SATA III |
| Number of HDDs supported | 4 |
| Number of storage drives supported | 6 |
| RAID support | Yes |
| RAID levels | 0, 1, 5, 10 |
| Parallel processing technology support | Not supported |
| USB 2.0 connectors | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 2 |
| Number of SATA III connectors | 4 |
| S/PDIF out connector | Yes |
| Front panel audio connector | Yes |
| Front panel connector | Yes |
| ATX Power connector (24-pin) | Yes |
| CPU fan connector | Yes |
| Number of CPU fan connectors | 1 |
| Number of chassis fan connectors | 3 |
| EPS power connector (8-pin) | Yes |
| Number of COM connectors | 1 |
| TPM connector | Yes |
| 12V power connector | Yes |
| RGB LED pin header | Yes |
| USB 2.0 ports quantity | 4 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 2 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 2 |
| Ethernet LAN (RJ-45) ports | 1 |
| PS/2 ports quantity | 1 |
| HDMI ports quantity | 1 |
| DisplayPorts quantity | 1 |
| Line-in | Yes |
| Microphone in | Yes |
| Ethernet LAN | Yes |
| Ethernet interface type | 2.5 Gigabit Ethernet |
| Wi-Fi | No |
| Motherboard chipset | AMD B850 |
| Audio output channels | 7.1 channels |
| Product colour | Black |
| Component for | PC |
| Motherboard form factor | micro ATX |
| Motherboard chipset family | AMD |
| Cooling type | Passive |
| Windows operating systems supported | Windows 10 x64, Windows 11 |
| PCI Express x16 (Gen 4.x) slots | 1 |
| PCI Express x16 (Gen 5.x) slots | 1 |
| Number of M.2 (M) slots | 2 |
| 1st M.2 largest key size | 2280 |
| 1st M.2 highest PCI Express generation | 5.0 |
| 2nd M.2 largest key size | 2280 |
| 2nd M.2 highest PCI Express generation | 4.0 |
| BIOS type | UEFI AMI |
| BIOS memory size | 256 Mbit |
| Package width | 564 mm |
| Package depth | 288 mm |
| Package height | 297 mm |
| Package weight | 1.07 kg |
| Width | 244 mm |
| Depth | 221 mm |
| Cables included | SATA |
| Screws included | Yes |
Full specifications
| Marque | Asus |
| Référence fabricant | 90mb1lv0m0eay0 |
| EAN | 4711636005517 |
Overview of the ASUS PRIME B850M-K AMD B850 Socket AM5 micro ATX
In the Informatique category, the ASUS PRIME B850M-K AMD B850 Socket AM5 micro ATX by Asus stands out for its positioning in 2026. Compiral lists all available offers to help you buy at the best price. Our comparison tool takes delivery costs into account to calculate the true total price of each offer. Filter by stock availability, free delivery, or sort by ascending price to find the best deal right now.
What makes the ASUS PRIME B850M-K AMD B850 Socket AM5 micro ATX stand out in 2026
This product stands out for the build quality that is characteristic of the Asus brand. Users particularly appreciate its reliability in daily use and how easy it is to get started right from the first use. The design, intended for regular use, ensures satisfying durability, and the balance between the features offered and the asking price is well received by buyers. Asus has a strong reputation in the Informatique category, which makes it easy to access after-sales service and the manufacturer warranty when needed. You can also compare with the ASUS ROG Spatha X mouse Gaming Right-hand RF Wireless + USB Type-C Optical 19000 DPI to refine your choice.
Performance and key features
In the Informatique category, buyers pay close attention to declared performance and build quality. The ASUS PRIME B850M-K AMD B850 Socket AM5 micro ATX meets these expectations with technical specifications that reflect Asus's positioning on this segment. The key features, available in the spec sheet on this page, allow you to verify this product matches your needs before finalising your purchase. Also compare with the ASUS ROG Spatha X mouse Gaming Right-hand RF Wireless + USB Type-C Optical 19000 DPI from the same brand to refine your decision.
Design and ease of use
The ASUS PRIME B850M-K AMD B850 Socket AM5 micro ATX is generally described as intuitive by users in the Informatique category. Asus designed this product to be accessible from the first use, whether you are a beginner or an experienced user in this range.
Market price ranges in 2026
| Range | Indicative price |
|---|---|
| Entry-level | Under 384300 £ |
| Mid-range | 384300 £ to 896710 £ |
| High-end | Over 896710 £ |
To find the ASUS PRIME B850M-K AMD B850 Socket AM5 micro ATX at the best price today, compare all available offers on Compiral. Our comparison tool updates prices several times a day to ensure you get the lowest rate from our partner retailers. Remember to activate the free delivery filter to reduce the total cost of your purchase. Also check the estimated delivery time at each retailer, which can vary considerably from one shop to another.
Frequently asked questions about ASUS PRIME B850M-K AMD B850 Socket AM5 micro ATX
Is the ASUS PRIME B850M-K AMD B850 Socket AM5 micro ATX worth its price in 2026?
In 2026, the ASUS PRIME B850M-K AMD B850 Socket AM5 micro ATX is listed from £134.89 at our partner retailers. This price is consistent with the positioning of Asus in the Informatique category. To judge whether this price is currently attractive, check the price history on our product page. Also compare the total price including delivery to avoid any surprises at checkout.
What warranty does the ASUS PRIME B850M-K AMD B850 Socket AM5 micro ATX come with?
The ASUS PRIME B850M-K AMD B850 Socket AM5 micro ATX generally comes with a manufacturer warranty of 1 to 2 years depending on the retailer. In addition to the commercial warranty from Asus, statutory consumer rights apply to all purchases. Check the warranty conditions directly on the retailer's page before finalising your order.
Is the ASUS PRIME B850M-K AMD B850 Socket AM5 micro ATX in stock?
Stock availability for the ASUS PRIME B850M-K AMD B850 Socket AM5 micro ATX is updated in real time on Compiral. Retailers showing "In stock" can usually deliver quickly, often within 2 to 5 working days. If the product is temporarily out of stock at one retailer, check the other offers in our table. Check back regularly as stock levels change frequently in the Informatique category.
Where can I buy the ASUS PRIME B850M-K AMD B850 Socket AM5 micro ATX at the best price?
To buy the ASUS PRIME B850M-K AMD B850 Socket AM5 micro ATX at the best price, compare all available offers in our table at the top of this page. The 5 offers listed include delivery costs to give you the true total cost. Sort by ascending price and filter by free delivery to quickly identify the best deal among our verified partner retailers.
How does the ASUS PRIME B850M-K AMD B850 Socket AM5 micro ATX compare to competitors in the Informatique category?
In the Informatique category, the ASUS PRIME B850M-K AMD B850 Socket AM5 micro ATX occupies a specific market segment. Compared to other available models, it stands out mainly through the balance between its features and its price. To compare objectively, consult the detailed spec sheet on this page and compare specifications with other similar products listed on our comparison tool.
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