# MicroATX motherboard ASRock B850M Challenger WiFi DDR5 AM5, white — DDR5, AM5 socket, Wi‑Fi

**URL:** https://aio.lv/en/product--asrock-90-mxbu50-a0uayz--12105016
**Data updated:** 2026-03-20 09:55 (EET)
**Category:** Motherboards
**Manufacturer:** ASROCK
**Manufacturer code:** 90-MXBU50-A0UAYZ
**EAN:** 4711581494145
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 161.49 €
**Prices and availability valid until:** 2026-08-01 23:59
**Price without VAT (21%):** 133.46 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--asrock-90-mxbu50-a0uayz--12105016

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 17.07.2026 | free |
| Pickup points | 22.07.2026 | 1.89 EUR |
| Courier delivery to door | 22.07.2026 | 4.99 EUR |

## Summary description

ASRock B850M Challenger WiFi is a MicroATX motherboard for AMD AM5 processors supporting DDR5 memory and integrated Wi‑Fi connectivity. Designed for compact desktop builds, it provides the AM5 CPU socket, DDR5 DIMM slots and onboard wireless for home and office use. Suitable for everyday computing, multimedia and light gaming in small form-factor systems.

## Long description

ASRock B850M Challenger WiFi DDR5 AM5 is a MicroATX motherboard designed for compact desktop systems using AMD AM5 processors and DDR5 memory. The board integrates an AM5 CPU socket, DDR5 DIMM slots and built-in Wi‑Fi connectivity to support everyday computing, multimedia playback and light gaming in small form-factor builds. Its white aesthetic suits modern minimalist cases while offering the standard connectivity expected from a mainstream MicroATX platform.
Advantages
The motherboard supports the latest AM5 processors and DDR5 memory for improved system responsiveness and multitasking. Integrated Wi‑Fi provides wireless networking without requiring an additional card, and the MicroATX form factor enables installation in smaller cases while retaining essential expansion options. A compact layout combined with mainstream connectivity makes the board suitable for home offices, media centers and compact gaming systems.
Suitable for
 Compact desktop builds and small form-factor PCs
 Home office and productivity systems
 Multimedia and HTPC setups
 Light to moderate gaming with discrete GPU
Key specifications
 Form factor: MicroATX
 CPU socket: AMD AM5 (supports AM5 processors)
 Memory support: DDR5 DIMM slots (dual-channel capable)
 Onboard wireless: integrated Wi‑Fi module
 Expansion slots: PCIe slot(s) for discrete graphics and add-in cards
 Storage interfaces: SATA and NVMe-compatible M.2 slot(s) for SSDs
 Rear I/O: multiple USB ports, audio jacks and LAN (where applicable)
How to use
Install an AM5 CPU into the AM5 socket following the processor and motherboard manufacturer instructions, insert DDR5 memory modules into the DIMM slots and connect storage devices to the available M.2 and SATA interfaces. Mount the board inside a compatible MicroATX chassis, connect power from a suitable PSU, attach required peripherals and configure BIOS/UEFI settings on first boot. Use built-in wireless settings to join a Wi‑Fi network or connect via wired LAN if available.
Usage recommendations
For stable operation use DDR5 modules listed as compatible by the motherboard vendor and a power supply that meets the CPU and GPU requirements. Ensure BIOS/UEFI is updated to the latest recommended version for optimal CPU and memory support. When installing in a small case, verify airflow and cooling to maintain component temperatures under load.

## FAQ

### How much does the ASRock B850M Challenger WiFi DDR5 AM5 motherboard cost, and is it available for purchase?

The price is 161.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 79 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 17.07.2026 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 ASRock B850M Challenger WiFi DDR5 AM5 motherboard 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 ASROCK 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 ASROCK 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

## Image

https://aio.lv/img/cache/product/12105016/68547294_large.webp