# ASRock B850 Rock WiFi 7 Motherboard, AMD Socket AM5, ATX, DDR5, Wi-Fi 7

**URL:** https://aio.lv/en/product--asrock-90-mxbu20-a0uayz--12093656
**Data updated:** 2026-05-13 19:00 (EEST)
**Category:** Motherboards
**Manufacturer:** ASROCK
**Manufacturer code:** 90-MXBU20-A0UAYZ
**EAN:** 4711581493841
**Warranty:** 3 Years
**Availability:** Available for order
**Price:** 156.99 €
**Prices and availability valid until:** 2026-07-30 23:59
**Price without VAT (21%):** 129.74 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--asrock-90-mxbu20-a0uayz--12093656

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | Wednesday | free |
| Pickup points | 06.07.2026 | 1.89 EUR |
| Courier delivery to door | 06.07.2026 | 4.99 EUR |

## Summary description

The ASRock B850 Rock WiFi 7 is an ATX motherboard featuring the AMD B850 chipset and Socket AM5, designed for AMD Ryzen 9000, 8000, and 7000 series processors. It supports up to 256 GB of DDR5-SDRAM memory across DIMM slots. Connectivity includes M.2 and SATA III storage interfaces, 2.5 Gigabit Ethernet, and the latest Wi-Fi 7 standard. This high-performance board is an ideal foundation for modern PC builds requiring fast networking and reliable memory support.

## Long description

The ASRock B850 Rock WiFi 7 is an ATX motherboard designed for the AMD Socket AM5 platform, supporting the latest AMD Ryzen 9000, 8000, and 7000 series processors. Built with an 8-layer PCB and high-quality components, this motherboard ensures stable power delivery and efficient thermal management through its optimized aluminum heatsink design. It features comprehensive support for DDR5 memory with XMP and EXPO profiles, allowing for easy performance boosts. With advanced connectivity options including PCIe Gen5 M.2 slots, 2.5 Gigabit Ethernet, and Wi-Fi 7, it provides a robust foundation for high-performance computing.
Advantages
The motherboard offers exceptional reliability and performance through its 8-layer PCB, which improves signal integrity and energy efficiency for memory overclocking. The inclusion of PCIe Gen5 Blazing M.2 technology ensures future-proof storage speeds, while the integrated aluminum heatsinks maintain optimal temperatures during intensive tasks. Users benefit from versatile connectivity, including a front USB 3.2 Gen1 Type-C header and high-speed 2.5Gb/s LAN, alongside the latest Wi-Fi 7 and Bluetooth 5.4 standards for seamless wireless integration. Furthermore, the Polychrome RGB and SignalRGB support allow for extensive lighting customization and synchronization across compatible devices.
Suitable for
High-performance gaming PCs
Content creation and video editing workstations
Home office and productivity systems
Modern home networking setups requiring high-speed connectivity
This motherboard may not be suitable for users requiring legacy hardware support, such as older SATA or PCI interfaces not covered by current standards. Additionally, it is designed specifically for the AMD AM5 socket and is not compatible with processors from other manufacturers or older AMD socket generations.
Key specifications
Socket: AMD AM5
Chipset: AMD B850
Memory: 4 x DDR5 DIMM slots, up to 256 GB capacity
Storage: M.2 and SATA III interfaces
Networking: 2.5 Gigabit Ethernet, Wi-Fi 7 (802.11be), Bluetooth 5.4
Form Factor: ATX
Audio: Realtek ALC897 7.1 Channel HD Audio
BIOS: 64MB UEFI AMI
To use the ASRock B850 Rock WiFi 7, install a compatible AMD Ryzen processor into the AM5 socket and secure your DDR5 memory modules into the DIMM slots. Connect your storage drives via the M.2 or SATA III ports and ensure the motherboard is properly powered by your PSU. After assembly, access the UEFI BIOS to configure memory profiles like XMP or EXPO for optimal performance and to ensure the firmware is updated for your specific processor generation.
What to consider before purchase
Verify that your processor is compatible with the AMD AM5 socket.
Ensure your PC case supports the ATX motherboard form factor.
Check that your memory modules are DDR5-SDRAM.
Confirm that your power supply unit has the necessary connectors for the motherboard.
For the best results, ensure that your memory modules are certified for AMD EXPO or Intel XMP to take full advantage of the overclocking capabilities. Regularly check the ASRock website for BIOS updates to maintain compatibility with future processor releases and to ensure system stability.

## Specifications

### Features

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

### Processor

| Feature | Value |
|---|---|
| Processor manufacturer | AMD |
| Compatible processor series | AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series |
| 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 |
| ECC сompatibility | ECC & non-ECC |

### Expansion slots

| Feature | Value |
|---|---|
| Number of M.2 (M) slots | 1 |
| PCI Express x1 (Gen 4.x) slots | 2 |
| PCI Express x16 (Gen 4.x) slots | 1 |
| PCI Express x16 (Gen 5.x) slots | 1 |

### Graphics

| Feature | Value |
|---|---|
| HDCP | Yes |
| HDCP version | 2.3 |

### Network

| Feature | Value |
|---|---|
| Bluetooth version | 5.4 |
| Ethernet LAN | Yes |
| Bluetooth | Yes |
| LAN controller | Dragon RTL8125BG |
| Wi-Fi | Yes |
| Ethernet interface type | 2.5 Gigabit Ethernet |
| Top Wi-Fi standard | Wi-Fi 7 (802.11be) |

### Internal I/O

| Feature | Value |
|---|---|
| USB 2.0 connectors | 2 |
| CPU fan connector | Yes |
| 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 | 3 |
| Number of SATA III connectors | 4 |
| RGB LED pin header | Yes |
| Number of CPU fan connectors | 2 |
| Number of EPS power connectors (8-pin) | 2 |

### Rear panel I/O ports

| Feature | Value |
|---|---|
| Line-in | Yes |
| USB 2.0 ports quantity | 4 |
| Ethernet LAN (RJ-45) ports | 1 |
| Microphone in | Yes |
| HDMI ports 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 | 1 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity | 1 |

### Storage controllers

| Feature | Value |
|---|---|
| Supported storage drive interfaces | SATA III, M.2 |

### BIOS

| Feature | Value |
|---|---|
| BIOS memory size | 512 Mbit |
| BIOS type | UEFI AMI |

### Weight & dimensions

| Feature | Value |
|---|---|
| Width | 305 mm |
| Depth | 244 mm |

### Other features

| Feature | Value |
|---|---|
| Wi-Fi standards | Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 7 (802.11be), 802.11g, 802.11b, 802.11a |
| Audio chip | Realtek ALC897 |

### Packaging content

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

## FAQ

### How much does the ASRock B850 Rock WiFi 7 Motherboard \| AMD Socket AM5 ATX cost, and is it available for purchase?

The price is 156.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 77 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 Wednesday 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 ASRock B850 Rock WiFi 7 Motherboard \| AMD Socket AM5 ATX 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

### 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.

## Image

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