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

**URL:** https://aio.lv/en/product--asus-prime-b850m-a-wifi--11458617
**Data updated:** 2025-12-30 21:23 (EET)
**Category:** Motherboards
**Manufacturer:** Asus
**Manufacturer code:** PRIME B850M-A WIFI
**Warranty:** 3 Years
**Availability:** Available for order
**Price:** 166.49 €
**Prices and availability valid until:** 2026-08-01 23:59
**Price without VAT (21%):** 137.60 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--asus-prime-b850m-a-wifi--11458617

## Delivery options

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

## Summary description

The ASUS PRIME B850M-A WIFI motherboard features an AMD B850 chipset and supports Socket AM5 processors, including AMD Ryzen 7000, 8000, and 9000 series. With a micro ATX form factor, it offers up to 256 GB of DDR5-SDRAM memory across DIMM slots. Storage options include M.2 and SATA III interfaces for HDD and SSD drives, supporting RAID levels 0, 1, 5, and 10. Connectivity includes 2.5 Gigabit Ethernet and Wi-Fi 6E (802.11ax) for fast networking.

## Long description

The ASUS Prime B850M-A WIFI is a micro ATX motherboard based on the AMD B850 chipset and designed for Socket AM5 processors, including AMD Ryzen 7000, 8000 and 9000 series. It supports up to 256 GB of DDR5 memory across four DIMM slots, provides M.2 and SATA III storage options with RAID 0/1/5/10 support, and includes 2.5 Gigabit Ethernet plus Wi‑Fi 6E for high-speed connectivity. The board targets users and PC DIY builders who need a compact yet capable platform with firmware and software options for performance tuning and AI-ready features.
Advantages
The PRIME B850M-A WIFI offers a balance of modern connectivity and memory capacity in a micro ATX form factor, combining DDR5 support and multiple storage interfaces with integrated 2.5 Gb Ethernet and Wi‑Fi 6E. Firmware and intuitive software tools provide options for system optimization, while RAID support and M.2 slots enable flexible storage configurations. Its AM5 Socket compatibility makes it suitable for current and future Ryzen processors.
Suitable for
 Home and office PCs where compact size and modern connectivity are required
 DIY PC builds using AMD Ryzen 7000/8000/9000 series processors
 Users who need multiple M.2/SATA drives and RAID configurations
 Systems requiring faster networking via 2.5 GbE or Wi‑Fi 6E
Key specifications
 Form factor: Micro ATX
 Chipset: AMD B850
 Processor socket: Socket AM5 (supports Ryzen 7000/8000/9000 series)
 Memory: 4× DIMM, DDR5 up to 256 GB
 Storage interfaces: M.2 and SATA III; RAID 0, 1, 5, 10 support
 Networking: 2.5 Gigabit Ethernet, Wi‑Fi 6E (802.11ax)
 Weight: 0.93 kg
How to use
Install a compatible AM5 CPU and DDR5 modules into the appropriate socket and DIMM slots, mount the motherboard in a compatible micro ATX case, and connect power, storage drives (M.2 and/or SATA), GPU (if required) and peripherals. Configure storage and RAID settings in the firmware/BIOS, update drivers and firmware via ASUS utilities, and set up network connections using the built‑in 2.5 GbE port or the Wi‑Fi 6E adapter.
Usage recommendations
For optimal stability, update the BIOS/firmware to the latest version before first use, install memory modules in the recommended slot configuration for dual/quad channel operation, and use quality power supply units that meet the system power requirements. When using RAID, ensure backups of important data before configuring arrays.

## 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 Motherboard ASUS PRIME B850M-A WIFI, code cost, and is it available for purchase?

The price is 166.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 7 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 Tomorrow 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-A WIFI, code 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/11458617/66135595_large.webp