# Motherboard ASROCK B860 Steel Legend WiFi — Intel LGA 1851 (Socket V1), ATX, DDR5, up to 256 GB, PCIe 5.0/4.0, Wi‑Fi

**URL:** https://aio.lv/en/product--asrock-90-mxbr3-a0uayz--11273666
**Data updated:** 2025-12-30 18:39 (EET)
**Category:** Motherboards
**Manufacturer:** ASROCK
**Manufacturer code:** 90-MXBR3-A0UAYZ
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 187.99 €
**Prices and availability valid until:** 2026-07-22 23:59
**Price without VAT (21%):** 155.36 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--asrock-90-mxbr3-a0uayz--11273666

## 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

ASROCK B860 Steel Legend WiFi is an ATX motherboard for Intel processors with LGA 1851 (Socket V1) supporting Intel Core Ultra (Series 2). It accepts DDR5 DIMM memory up to 256 GB, offers PCIe 5.0 and 4.0 slots plus SATA III for HDD/SSD, and RAID 0/1/5/10. Integrated Wi‑Fi and USB Type‑A/Type‑C ports, and graphics output up to 7680×4320 make it suitable for high‑performance desktops, content creation and gaming.

## Long description

ASRock B860 Steel Legend WiFi is an ATX motherboard for Intel LGA 1851 (Socket V1) platforms, designed to support Intel Core Ultra (Series 2) processors and up to 256 GB of DDR5 memory. It offers modern connectivity including PCIe 5.0 and PCIe 4.0 M.2 slots, integrated Wi‑Fi 6E, Thunderbolt 4 Type‑C support, 2.5 Gb/s LAN and multiple USB headers, making it suitable for performance desktops, content creation and gaming systems.
Advantages
The motherboard implements an optimized VRM with a 14+1+1 power phase design, Dr. MOS integrated power stages and a Hi‑Density CPU power connector for stable delivery under heavy loads and overclocking. Enhanced 20K capacitors (1000 µF) and 2 oz copper inner layers improve power stability and thermal performance. High‑speed storage support includes PCIe Gen5 Blazing M.2 and Hyper M.2 Gen4 x4 slots with enlarged, tool‑less M.2 heatsinks and anti‑drop screws for easier installation. Integrated features such as Wi‑Fi 6E, Thunderbolt 4, Dragon 2.5 Gb/s LAN, Nahimic audio and Polychrome RGB provide broad connectivity, improved audio processing and customizable lighting.
Suitable for
High‑performance desktop builds and gaming PCs
Content creation and media editing workstations
Systems requiring fast NVMe storage and PCIe 5.0 devices
Users who need integrated Wi‑Fi 6E, Thunderbolt 4 or 2.5 Gb/s LAN
Key specifications
Form factor: ATX
Chipset: Intel B860
Socket: LGA 1851 (Socket V1) — supports Intel Core Ultra (Series 2)
Memory: 4 × DDR5 DIMM slots, up to 256 GB
Storage: PCIe Gen5 M.2 (Blazing M.2), PCIe Gen4 x4 M.2, SATA III
Networking: Wi‑Fi 6E (802.11ax/6E), Dragon 2.5 Gb/s LAN
USB: Front panel USB 3.2 Gen2x2 Type‑C header, multiple USB Type‑A/C and Thunderbolt 4 Type‑C support
Audio: Nahimic audio enhancements
Power delivery: 14+1+1 power phase, Dr. MOS, Hi‑Density power connector, 20K 1000 µF capacitors
How to use
Install the motherboard into an ATX compatible chassis, mount the compatible LGA 1851 CPU and DDR5 DIMMs in the recommended slots, connect the Hi‑Density 8/12‑pin CPU power and 24‑pin ATX power connectors, and attach storage devices to M.2 sockets or SATA ports. Configure boot devices and enable XMP/EXPO or DDR5 profiles in UEFI to activate tested memory overclocking profiles. Use the provided BIOS Flashback if you need to update firmware without CPU or memory installed. Connect fans to PWM/DC headers and configure Fan‑Tastic Tuning or thermistor inputs in UEFI for custom cooling curves.
Usage recommendations
For reliable performance, use Intel XMP/AMD EXPO compatible DDR5 modules when enabling memory overclocking profiles; ensure proper CPU power connection and adequate case airflow when overclocking, and keep M.2 SSDs paired with the provided heatsinks to maintain sustained transfer speeds.

## Specifications

### Features

| Feature | Value |
|---|---|
| Motherboard form factor | ATX |
| Motherboard chipset | Intel B860 |
| Component for | PC |
| Certification | FCC, CE, ErP/EuP |
| Audio output channels | 7.1 |
| Windows operating systems supported | Windows 11 x64 |
| Motherboard chipset family | Intel |

| Feature | Value |
|---|---|
| Product colour | White |

### Processor

| Feature | Value |
|---|---|
| Processor manufacturer | Intel |
| Processor socket | LGA 1851 (Socket V1) |

### 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 | non-ECC |

### Expansion slots

| Feature | Value |
|---|---|
| Number of M.2 (M) slots | 4 |
| 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 |
| 3rd M.2 largest key size | 2280 |
| 4th M.2 largest key size | 2280 |
| 1st M.2 highest PCI Express generation | 5.0 |
| 2nd M.2 highest PCI Express generation | 4.0 |
| 3rd M.2 highest PCI Express generation | 4.0 |
| 4th M.2 highest PCI Express generation | 4.0 |

### Graphics

| Feature | Value |
|---|---|
| Maximum resolution | 7680 x 4320 |
| Parallel processing technology support | Not supported |
| HDCP | Yes |

### Network

| Feature | Value |
|---|---|
| Bluetooth version | 5.3 |
| 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 6E (802.11ax) |

### 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 | 5 |
| 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 |
| RGB LED pin header | Yes |
| USB 3.2 Gen 2x2 connectors | 1 |
| Number of RGB LED pin headers | 1 |
| Number of CPU fan connectors | 2 |
| Number of water pump connectors | 1 |
| Number of EPS power connectors (8-pin) | 2 |

### Rear panel I/O ports

| Feature | Value |
|---|---|
| USB connector type | USB Type-C, USB Type-A |
| USB 2.0 ports quantity | 3 |
| Ethernet LAN (RJ-45) ports | 1 |
| Headphone outputs | 1 |
| Microphone in | Yes |
| S/PDIF out port | Yes |
| WiFi-AP antenna jack | 2 |
| HDMI ports quantity | 1 |
| HDMI version | 2.1 |
| DisplayPorts quantity | 1 |
| Thunderbolt ports quantity | 1 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 4 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 2 |

### Storage controllers

| Feature | Value |
|---|---|
| RAID levels | 10, 5, 1 |
| Supported storage drive types | HDD & SSD |
| RAID support | Yes |
| Number of storage drives supported | 8 |
| Supported storage drive interfaces | PCI Express 4.0, PCI Express 5.0, SATA III |

### BIOS

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

### Weight & dimensions

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

### Other features

| Feature | Value |
|---|---|
| Wi-Fi standards | 802.11b, 802.11a, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E (802.11ax) |
| DisplayPort version | 1.4 |
| Audio chip | Realtek ALC1220 |

### Packaging content

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

## FAQ

### How much does the ASROCK B860 Steel Legend WiFi motherboard cost, and is it available for purchase?

The price is 187.99 € (valid at the time of publication and already includes all taxes). The item is available for order — 4 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 ASROCK B860 Steel Legend WiFi 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

### 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 ASROCK B860 Steel Legend WiFi motherboard?

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/11273666/64568034_large.webp