# Motherboard ASUS PRIME B850M-K AMD B850 Socket AM5 micro ATX

**URL:** https://aio.lv/en/product--asus-90mb1lv0-m0eay0--11417824
**Data updated:** 2025-12-30 21:17 (EET)
**Category:** Motherboards
**Manufacturer:** Asus
**Manufacturer code:** 90MB1LV0-M0EAY0
**EAN:** 4711636005517
**Warranty:** 3 Years
**Availability:** Available for order
**Price:** 126.49 €
**Prices and availability valid until:** 2026-07-23 23:59
**Price without VAT (21%):** 104.54 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--asus-90mb1lv0-m0eay0--11417824

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Monday | free |
| Pickup points | 02.07.2026 | 1.89 EUR |
| Courier delivery to door | 02.07.2026 | 4.99 EUR |

## Summary description

The ASUS PRIME B850M-K motherboard supports AMD Ryzen 7000, 8000, and 9000 series processors with an AM5 socket. It features DDR5 memory support with a maximum capacity of 128 GB across DIMM slots. Storage options include M.2 and SATA III interfaces for HDD and SSD drives, with RAID support for levels 0, 1, 5, and 10. The board also includes a 2.5 Gigabit Ethernet interface, making it a robust choice for PC builds.

## Long description

The ASUS PRIME B850M-K is a micro ATX motherboard with an AMD B850 chipset and Socket AM5, designed to support AMD Ryzen 7000, 8000 and 9000 series processors. It accepts DDR5 memory across two DIMM slots for up to 128 GB, and provides multiple storage options including M.2 and SATA III with RAID 0/1/5/10 support. The board includes a 2.5 Gigabit Ethernet interface and is built to deliver stable connectivity and performance for general PC builds and AI-capable systems.
Advantages
The PRIME B850M-K offers AM5 compatibility for the latest Ryzen CPUs, DDR5 memory support for higher bandwidth, and flexible storage options with M.2 and SATA III plus RAID functionality. Its micro ATX form factor balances compact system design and expandability, while the integrated 2.5 Gb Ethernet provides improved network throughput compared with standard Gigabit ports. Firmware and software utilities supply performance tuning and system management features.
Suitable for
Home and office desktops
Compact gaming or multimedia PCs
DIY PC builds requiring AM5 and DDR5 support
Workloads that benefit from faster networking (2.5 GbE)
Systems that need M.2/NVMe and SATA storage with RAID
Key specifications
Form factor: Micro ATX
Chipset: AMD B850
Processor socket: Socket AM5 (supports AMD Ryzen 7000/8000/9000 series)
Memory: 2 × DDR5 DIMM slots, up to 128 GB
Storage interfaces: M.2 and SATA III, RAID 0/1/5/10 supported
Network: 2.5 Gigabit Ethernet
Manufacturer part number (MPN): 90MB1LV0-M0EAY0
EAN: 4711636005517
How to use
Install the PRIME B850M-K into a compatible micro ATX case, fit an AM5-compatible AMD Ryzen processor and apply the appropriate CPU cooler. Populate DDR5 modules into the two DIMM slots according to the motherboard manual, attach M.2 or SATA drives as needed, and connect power and front-panel headers from the case. Configure storage RAID, memory XMP/DOCP settings and network options in the UEFI BIOS or included software after the first boot.
Usage recommendations
For stable operation, use a compatible power supply and a CPU cooler rated for your chosen Ryzen processor. Install DDR5 modules matched in capacity and speed for best memory performance, and keep BIOS firmware updated to ensure compatibility with newer Ryzen 8000/9000 series CPUs.

## Specifications

### Features

| Feature | Value |
|---|---|
| Motherboard form factor | Micro ATX |
| Motherboard chipset | AMD B850 |
| Component for | PC |
| Audio output channels | 7.1 |
| Cooling type | Passive |
| Windows operating systems supported | Windows 11, Windows 10 x64 |
| Motherboard chipset family | AMD |

| Feature | Value |
|---|---|
| Product colour | Black |

### Processor

| Feature | Value |
|---|---|
| Processor manufacturer | AMD |
| Processor socket | Socket AM5 |

### Memory

| Feature | Value |
|---|---|
| Number of memory slots | 2 |
| Maximum internal memory | 128 GB |
| Supported memory types | DDR5-SDRAM |
| Memory channels | Dual-channel |
| Unbuffered memory | Yes |
| Memory slots type | DIMM |
| ECC сompatibility | ECC & non-ECC |

### Expansion slots

| Feature | Value |
|---|---|
| Number of M.2 (M) slots | 2 |
| PCI Express x16 (Gen 4.x) slots | 1 |
| PCI Express x16 (Gen 5.x) slots | 1 |
| 1st M.2 largest key size | 2280 |
| 2nd M.2 largest key size | 2280 |
| 1st M.2 highest PCI Express generation | 5.0 |
| 2nd M.2 highest PCI Express generation | 4.0 |

### Graphics

| Feature | Value |
|---|---|
| Parallel processing technology support | Not supported |

### Network

| Feature | Value |
|---|---|
| Ethernet LAN | Yes |
| Wi-Fi | No |
| Ethernet interface type | 2.5 Gigabit Ethernet |

### Internal I/O

| Feature | Value |
|---|---|
| USB 2.0 connectors | 2 |
| S/PDIF out connector | Yes |
| CPU fan connector | Yes |
| Number of COM connectors | 1 |
| ATX Power connector (24-pin) | Yes |
| Number of chassis fan connectors | 3 |
| Front panel audio connector | Yes |
| TPM connector | Yes |
| EPS power connector (8-pin) | Yes |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 2 |
| Number of SATA III connectors | 4 |
| Front panel connector | Yes |
| 12V power connector | Yes |
| RGB LED pin header | Yes |
| Number of CPU fan connectors | 1 |

### Rear panel I/O ports

| Feature | Value |
|---|---|
| PS/2 ports quantity | 1 |
| Line-in | Yes |
| USB 2.0 ports quantity | 4 |
| Ethernet LAN (RJ-45) ports | 1 |
| Microphone in | Yes |
| HDMI ports quantity | 1 |
| DisplayPorts quantity | 1 |
| 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 |

### Storage controllers

| Feature | Value |
|---|---|
| RAID levels | 5, 10, 1 |
| Supported storage drive types | HDD & SSD |
| RAID support | Yes |
| Number of storage drives supported | 6 |
| Supported storage drive interfaces | SATA III, M.2 |

### BIOS

| Feature | Value |
|---|---|
| BIOS memory size | 256 Mbit |
| BIOS type | UEFI AMI |

### Weight & dimensions

| Feature | Value |
|---|---|
| Width | 244 mm |
| Depth | 221 mm |

### Other features

| Feature | Value |
|---|---|
| Number of HDDs supported | 4 |
| Supported processor sockets | Socket AM5 |
| Package weight | 1069 g |

### Packaging content

| Feature | Value |
|---|---|
| Cables included | SATA |
| Screws included | Yes |

### Packaging data

| Feature | Value |
|---|---|
| Package depth | 288 mm |
| Package height | 297 mm |
| Package width | 564 mm |

## FAQ

### How much does the Motherboard ASUS PRIME B850M-K, 90MB1LV0-M0EAY0 cost, and is it available for purchase?

The price is 126.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 124 pcs. are in stock, and you can place your purchase right now with delivery across Latvia and Europe or choose pickup at the Riga collection point. We offer favorable purchase terms, including the option to split the payment into convenient monthly installments. Availability and price are updated in real time, so we recommend placing your order in advance.

### If I order this product today, when will I receive my order?

If you place your order today, delivery will be as fast and convenient as possible. You will be able to pick up your order on Monday at the Riga pickup point or choose delivery across Latvia and Europe. We carefully inspect every purchase and pack it securely for safe transportation.

### What payment options are available?

AiO.lv offers several payment methods: Cash payment, Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can Motherboard ASUS PRIME B850M-K, 90MB1LV0-M0EAY0 be purchased with a lease?

Yes, the purchase is available both on credit and with an interest-free installment plan. Learn more about installments and credit options: https://aio.lv/en/payment#b3

### Can this product be purchased for a company (with VAT)?

Yes. AiO.lv works with legal entities in Latvia and across Europe. The product price already includes VAT. For certain product categories, as well as for companies from other EU countries with a valid VAT number, a 0% VAT rate may apply. We issue the invoice immediately after the order is placed, support electronic BIS invoices, and automatically generate all necessary accounting documents. You can complete the purchase for a company online — simply select the company profile and choose bank transfer as the payment method during checkout.

### What is the warranty period?

All Asus products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized Asus service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

### Where should I contact for warranty service?

For warranty-related questions you can contact the AiO.lv (SIA VSPRO) customer support team. More information about warranty service: https://aio.lv/en/warranty

### How can I tell if this product suits my needs?

When making a choice, we recommend paying attention to the key features: motherboard form factor, motherboard chipset, component for, processor socket, number of memory slots, maximum internal memory, supported memory types, compatibility with your devices or usage conditions, material quality, functionality, and warranty terms. These characteristics will help you determine how well the model meets your needs.

### Where can I download the instructions for Motherboard ASUS PRIME B850M-K, 90MB1LV0-M0EAY0?

You can download the instructions in PDF format from the “Instructions” section on the product description page. The file contains complete information about installation, setup, and usage.

## Image

https://aio.lv/img/cache/product/11417824/66183296_large.webp