# Motherboard ASUS PRIME B850M-A WIFI — AMD B850, Socket AM5, microATX, DDR5, 4x DIMM, 256GB, Wi‑Fi 6E, 2.5Gb LAN

**URL:** https://aio.lv/en/product--asus-90mb1ln0-m0eay0--11449807
**Data updated:** 2026-01-21 11:11 (EET)
**Category:** Motherboards
**Manufacturer:** Asus
**Manufacturer code:** 90MB1LN0-M0EAY0
**EAN:** 4711636051125
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 156.49 €
**Prices and availability valid until:** 2026-07-21 23:59
**Price without VAT (21%):** 129.33 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--asus-90mb1ln0-m0eay0--11449807

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 09.07.2026 | free |
| Pickup points | 14.07.2026 | 1.89 EUR |
| Courier delivery to door | 14.07.2026 | 4.99 EUR |

## Summary description

ASUS PRIME B850M-A WIFI is a microATX motherboard for AMD Ryzen 7000 Series with Socket AM5 and AMD B850 chipset. It supports DDR5 memory up to 256 GB across 4 DIMM slots (dual‑channel, up to 8000 MHz), M.2 and SATA III storage with RAID 10, PCIe 4.0 x16, 7.1 audio, Wi‑Fi 6E, Bluetooth 5.3 and 2.5Gb Ethernet. Useful connectors include HDMI, 2 DisplayPort, multiple USB 3.2/USB2.0 ports, TPM, antenna and chassis/CPU fan headers for compact desktop and workstation builds.

## Long description

The Prime 850M-A WIFI motherboard from ASUS Prime series is designed for AMD Ryzen™ 9000 series processors and offers a balance of performance, connectivity and user-friendly features. It supports system tuning through intuitive software and firmware options and is built to meet requirements for Advanced AI PC workloads, providing the connectivity and power needed for modern PC builds.
Advantages
The Prime 850M-A WIFI delivers optimized performance for Ryzen 9000 CPUs, integrated Wi‑Fi connectivity, and firmware and software tools for easy system configuration and tuning. Its design focuses on reliable operation, versatile connectivity and compatibility with common PC components, making it suitable for a wide range of desktop builds.
Key specifications
Form factor: micro‑ATX
CPU support: AMD Ryzen™ 9000 series
Integrated wireless: Wi‑Fi (model includes WIFI capability)
BIOS and software: intuitive firmware and ASUS software utilities for tuning
Target use: Advanced AI PC readiness and general desktop performance
How to use
Install the Prime 850M-A WIFI on a compatible micro‑ATX case and mount a supported AMD Ryzen 9000 series processor on the AM5 socket following the motherboard manual. Connect power, memory, storage and peripherals, then use the included firmware and ASUS software utilities to configure system settings, update BIOS and optimize performance for your workload.
Recommendations
Use compatible AM5 cooling and a certified power supply to ensure stable operation under AI workloads. Keep BIOS and drivers up to date via ASUS utilities and verify Wi‑Fi antenna placement for optimal wireless performance.

## Specifications

### Features

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

| Feature | Value |
|---|---|
| Product colour | Multicolour |

### Processor

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

### Memory

| Feature | Value |
|---|---|
| Number of memory slots | 4 |
| Maximum internal memory | 256 GB |
| Supported memory types | DDR5-SDRAM |
| Memory channels | Dual-channel |
| Unbuffered memory | Yes |
| Memory slots type | DIMM |
| Supported memory clock speed (max) | 8000 MHz |
| ECC сompatibility | ECC & non-ECC |

### Expansion slots

| Feature | Value |
|---|---|
| PCI Express x16 (Gen 4.x) slots | 1 |

### Graphics

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

### Network

| Feature | Value |
|---|---|
| Bluetooth version | 5.3 |
| Ethernet LAN | Yes |
| Bluetooth | Yes |
| Wi-Fi | Yes |
| Ethernet interface type | Gigabit Ethernet, Fast Ethernet, 2.5 Gigabit Ethernet |
| Top Wi-Fi standard | Wi-Fi 6E (802.11ax) |

### 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 |
| Chassis intrusion connector | 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 |
| 12V power connector | Yes |
| Number of CPU fan connectors | 1 |

### Rear panel I/O ports

| Feature | Value |
|---|---|
| Line-in | Yes |
| USB 2.0 ports quantity | 4 |
| Ethernet LAN (RJ-45) ports | 1 |
| WiFi-AP antenna jack | 2 |
| HDMI ports quantity | 1 |
| DisplayPorts quantity | 2 |
| 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 | 1, 5, 10 |
| Supported storage drive types | HDD & SSD |
| RAID support | Yes |
| Number of storage drives supported | 7 |
| Supported storage drive interfaces | M.2, SATA III |

### BIOS

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

### Weight & dimensions

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

### Other features

| Feature | Value |
|---|---|
| Number of HDDs supported | 4 |
| Weight | 0.93 kg |
| Package weight | 1520 g |
| Height | 50 mm |

### Packaging content

| Feature | Value |
|---|---|
| Antenna included | Yes |

### Packaging data

| Feature | Value |
|---|---|
| Package depth | 275 mm |
| Package height | 67.5 mm |
| Package width | 275 mm |

## FAQ

### How much does the ASUS PRIME B850M-A WIFI motherboard (Socket AM5) cost, and is it available for purchase?

The price is 156.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 115 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 09.07.2026 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: Bank transfer, Bank cards on-line, Apple Pay, Google Pay, Installment. All transactions are 100% secure and encrypted.

### Can ASUS PRIME B850M-A WIFI motherboard (Socket AM5) 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, weight, 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.

## Image

https://aio.lv/img/cache/product/11449807/66146959_large.webp