# Motherboard Asrock Phantom Gaming B850M Riptide WiFi AMD B850 Socket AM5 micro ATX

**URL:** https://aio.lv/en/product--asrock-90-mxbs3-a0uayz--11307235
**Data updated:** 2025-12-08 08:17 (EET)
**Category:** Motherboards
**Manufacturer:** ASROCK
**Manufacturer code:** 90-MXBS3-A0UAYZ
**Warranty:** 2 Years
**Availability:** Available for order
**Price:** 162.49 €
**Prices and availability valid until:** 2026-08-02 23:59
**Price without VAT (21%):** 134.29 EUR
**Can be purchased by legal entities:** Yes (invoice)
**Buy:** https://aio.lv/en/product--asrock-90-mxbs3-a0uayz--11307235

## Delivery options

| Delivery method | Delivery time | Cost |
|---|---|---|
| Office pickup (2b. Kengaraga str., Riga, Latvia, LV-1063) | 20.07.2026 | free |
| Pickup points | 23.07.2026 | 1.89 EUR |
| Courier delivery to door | 23.07.2026 | 4.99 EUR |

## Summary description

The Asrock Phantom Gaming B850M Riptide WiFi motherboard features the AMD B850 chipset and Socket AM5, supporting AMD Ryzen 7000, 8000, and 9000 series processors. It supports DDR5-SDRAM with a maximum internal memory of 256 GB across DIMM slots. The board offers PCI Express 4.0 and 5.0, SATA III interfaces for HDD and SSD storage, and RAID levels 0, 1, and 10. With a maximum resolution of 3840 x 2160 pixels and USB Type-A and Type-C connectors, this micro ATX board is ideal for high-performance builds.

## Long description

Phantom Gaming motherboard is engineered for gamers seeking stable performance and extensive connectivity. It features an optimized VRM with a 12+2+1 power phase design, upgraded 20K 1000µF capacitors, Dr. MOS integrated power stages, and a Hi-Density CPU power connector. The board includes 2oz copper inner layers, support for DDR5 XMP and AMD EXPO profiles, multiple high-speed M.2 slots including PCIe Gen5 Blazing M.2, and user-friendly elements such as a graphics card lite release and M.2 bottom heatsink.
Advantages
The motherboard delivers improved power stability and longevity due to the exclusive 20K 1000µF capacitor and robust VRM components, enabling more consistent performance and safer overclocking. High-speed storage options with PCIe Gen5 and Gen4 M.2 slots offer significantly increased bandwidth for fast NVMe SSDs. Integrated Wi‑Fi 7 and a 2.5 Gb/s Phantom Gaming LAN ensure higher throughput and lower latency for gaming and streaming. Comprehensive cooling support — including aluminum heatsinks, PWM/DC fan detection, thermistor header and Fan‑Tastic Tuning — helps maintain stable temperatures under load. Nahimic audio and Polychrome RGB/SignalRGB provide versatile audio and lighting customization.
Key specifications
VRM: 12+2+1 power phase design with Dr. MOS
Capacitors: Exclusive 20K 1000µF black capacitors (20,000 hours lifespan)
PCB: 2oz copper inner layers
Memory: DDR5 with Intel XMP / AMD EXPO profile support
M.2 storage: PCIe Gen5 Blazing M.2 and Hyper M.2 Gen4 x4 slots
Networking: Wi‑Fi 7 (802.11be) with Multi‑link Operation and Phantom Gaming 2.5 Gb/s LAN
USB/Peripherals: Lightning Gaming Ports for low-latency mice/keyboards
Audio: Nahimic audio engine with noise suppression and sound tracker
Cooling: Aluminum heatsinks, PWM/DC fan support, thermistor header, Fan‑Tastic Tuning
Convenience: BIOS Flashback, Auto Driver Installer, flexible integrated I/O shield
How to use
Install the motherboard into a compatible ATX chassis, secure the flexible I/O shield and connect the power supply using the Hi‑Density CPU and ATX power connectors. Populate CPU, DDR5 memory modules that support XMP/EXPO if overclocking is planned, and install M.2 NVMe SSDs in the designated slots (use the Blazing M.2 for PCIe Gen5 drives). Connect cooling fans to the fan headers; the board will auto-detect PWM or DC fans and permit tuning through Fan‑Tastic Tuning or UEFI. For BIOS updates, use BIOS Flashback with a USB drive and power supply without installing CPU or RAM. Enable Wi‑Fi 7 and configure network settings for optimal Multi‑link Operation if using multiple bands.
Recommendations
For best results, use high-quality power supplies capable of sustained currents for overclocking, DDR5 modules certified for Intel XMP or AMD EXPO, and PCIe Gen5 NVMe SSDs in the Blazing M.2 slot. Ensure adequate chassis airflow and configure Fan‑Tastic Tuning and thermistor inputs to maintain stable temperatures during heavy gaming or content creation workloads.

## Specifications

### Features

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

| Feature | Value |
|---|---|
| Product colour | Black |

### 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 |
| ECC сompatibility | ECC & non-ECC |

### Expansion slots

| Feature | Value |
|---|---|
| Number of M.2 (M) slots | 3 |
| PCI Express x16 (Gen 5.x) slots | 1 |
| PCI Express x8 (Gen 4.x) slots | 1 |
| 1st M.2 largest key size | 2580 |
| 2nd M.2 largest key size | 2280 |
| 3rd 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 |

### Graphics

| Feature | Value |
|---|---|
| Maximum resolution | 3840 x 2160 |
| Parallel processing technology support | Not supported |
| HDCP | Yes |

### 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 |
| 12V power connector | Yes |
| RGB LED pin header | Yes |
| Number of RGB LED pin headers | 1 |
| Number of CPU fan connectors | 2 |
| Number of EPS power connectors (8-pin) | 1 |

### Rear panel I/O ports

| Feature | Value |
|---|---|
| Line-in | Yes |
| USB connector type | USB Type-C, USB Type-A |
| USB 2.0 ports quantity | 4 |
| Ethernet LAN (RJ-45) ports | 1 |
| Headphone outputs | 3 |
| Microphone in | Yes |
| WiFi-AP antenna jack | 2 |
| HDMI ports quantity | 1 |
| HDMI version | 2.1 |
| DisplayPorts 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 |
|---|---|
| RAID levels | 10, 1 |
| Supported storage drive types | HDD & SSD |
| RAID support | Yes |
| Number of storage drives supported | 7 |
| 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 | 244 mm |
| Depth | 244 mm |

### Other features

| Feature | Value |
|---|---|
| Supported processor sockets | Socket AM5 |
| Wi-Fi standards | 802.11b, Wi-Fi 6E (802.11ax), Wi-Fi 7 (802.11be), Wi-Fi 6 (802.11ax), Wi-Fi 5 (802.11ac), Wi-Fi 4 (802.11n), 802.11g, 802.11a |
| DisplayPort version | 1.4 |
| Audio chip | Realtek ALC1220 |

### Packaging content

| Feature | Value |
|---|---|
| Cables included | SATA |
| Screws included | Yes |
| Antenna included | Yes |
| M.2 standoff included | Yes |

## FAQ

### How much does the Motherboard Asrock Phantom Gaming B850M Riptide WiFi, 90-MXBS3-A0UAYZ cost, and is it available for purchase?

The price is 162.49 € (valid at the time of publication and already includes all taxes). The item is available for order — 23 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 20.07.2026 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 Motherboard Asrock Phantom Gaming B850M Riptide WiFi, 90-MXBS3-A0UAYZ 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 Motherboard Asrock Phantom Gaming B850M Riptide WiFi, 90-MXBS3-A0UAYZ?

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/11307235/65472306_large.webp