Asrock B850M-X WiFi R2.0 mATX Socket AM5
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About This Item
- AMD B850 chipset supporting AMD Ryzen 7000/8000/9000 Series processors on Socket AM5
- 2 x DDR5 DIMM slots supporting up to 128 GB with 8200 MHz OC via dual-channel architecture
- 1 x PCIe 5.0 x16 slot for next-gen graphics, plus 1 x PCIe 4.0 x1 and 1 x PCIe 4.0 x16 slot
- 1 x M.2 PCIe Gen5 slot and 4 x SATA III ports for HDD & SSD storage with RAID 0/1/10 support
- Wi-Fi 6E and 2.5 Gigabit Ethernet via Dragon RTL8125BG, plus Bluetooth 5.2
- Micro ATX form factor (244 x 226 mm) with 7.1-channel Realtek ALC897 audio and Polychrome RGB sync
- What to check: BIOS Flashback and Auto Driver Installer functionality details in the manual
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Asrock B850M-X WiFi R2.0 | AMD B850 micro ATX
The Asrock B850M-X WiFi R2.0 AMD B850 Socket AM5 micro ATX is a compact foundation for modern AMD builds. It targets system builders who need strong features in a smaller form factor. You get support for Ryzen 7000, 8000, and 9000 series processors, plus fast DDR5 memory. Also, integrated Wi-Fi 6E and 2.5Gb Ethernet handle demanding networking tasks. Because it uses the AMD B850 chipset, it balances performance and versatility for daily use.
Asrock B850M-X WiFi R2.0 AMD B850 Socket AM5 micro ATX
Slim Specs Table
| Metric | Spec. |
|---|---|
| Processor Socket | Socket AM5 |
| Memory Support | DDR5, max 128 GB, dual-channel |
| Wi-Fi Standard | Wi-Fi 6E (802.11ax) |
| LAN | 2.5 Gigabit Ethernet |
| Audio | 7.1 channels (Realtek ALC897) |
| Form Factor | micro ATX |
Modern Platform Support
This motherboard supports AMD Ryzen 7000, 8000, and 9000 series CPUs. Because it uses the AM5 socket, you can build a system ready for current and future processors. In practice, this gives you a clear upgrade path without changing the board later.
High-Speed Memory
It features two DDR5 DIMM slots with dual-channel support. You can install up to 128 GB of unbuffered memory. Also, it supports memory overclocking up to 8200 MHz. So, you can enable XMP or EXPO profiles for a performance boost.
Fast Storage Options
The board includes one M.2 slot and four SATA III connectors. The M.2 slot supports PCIe Gen5, offering very high transfer speeds for compatible SSDs. However, the exact number of M.2 slots is not specified; please verify before purchase. You can mix HDDs and SSDs for flexible storage configurations.
Advanced Connectivity
You get Wi-Fi 6E and Bluetooth 5.2 for wireless connections. The 2.5Gb Ethernet port provides fast wired networking. Also, there are USB 3.2 Gen 1 Type-A and Type-C ports for peripherals. DisplayPort 1.4 and HDMI outputs are available for integrated graphics.
Robust Power Delivery
The 6+1+1 power phase design uses Dr.MOS stages for efficient voltage regulation. Hi-Density power connectors help handle higher currents during overclocking. Because of the 6-layer PCB, signal stability and thermal performance are improved. This supports stable operation for demanding tasks.
Intelligent Cooling
The board includes an aluminium heatsink for the M.2 area. Fan headers support both PWM and DC modes for flexible cooling control. So, you can fine-tune fan curves to balance noise and temperature. This helps maintain system stability during long sessions.
Audio and Visual Enhancements
Nahimic audio provides immersive sound with noise suppression and voice stabilisation. The onboard RGB headers let you customise lighting with Polychrome RGB and SignalRGB. Also, dual graphics outputs (HDMI and DisplayPort) offer flexible display options.
DIY Friendly Features
Auto Driver Installer simplifies initial setup without an optical drive. BIOS Flashback allows easy updates using a USB drive, without needing a CPU or RAM. These features make building and maintaining your system more straightforward.
Box contents
- Asrock B850M-X WiFi R2.0 motherboard
- SATA cables
- Wi-Fi antenna
- User manual
- Driver disk or preinstall LAN driver
Check before you buy
- Confirm the exact number of M.2 slots and Gen5 support for your SSD plans.
- Verify Wi-Fi 6E band support and regulatory settings for UK use.
- Check compatibility with your case for micro ATX fit and clearance.
- Ensure your power supply has the required 24-pin ATX and 8-pin EPS connectors.
Frequently Asked Questions
Q: Does this motherboard support ECC memory?
A: Yes, it supports both ECC and non-ECC unbuffered DDR5 memory.
Q: Can I use AMD EXPO and Intel XMP profiles?
A: Yes, it supports both DDR5 XMP and EXPO for memory overclocking.
Q: What RAID levels are supported?
A: It supports RAID 0, 1, and 10 for SATA and M.2 drives.
Q: Is the Wi-Fi 6E ready for UK networks?
A: Yes, but confirm local regulatory settings and router compatibility.
Q: Does the board have BIOS Flashback?
A: Yes, you can update the BIOS without a CPU or RAM installed.
The Consultant’s verdict & warranty
Choose this board if you are building a compact AMD system with modern features and future-proof connectivity. It suits gamers, creators, and general users who want reliability and performance in a micro ATX format. Covered by the standard Manufacturer Warranty.
| Internal I/O | |
|---|---|
| Number of M.2 (M) slots | 1 |
| 12V power connector | Yes |
| Supported storage drive interfaces | M.2, SATA III |
| USB 2.0 connectors | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 2 |
| TPM connector | Yes |
| Number of SATA III connectors | 4 |
| Number of chassis fan connectors | 3 |
| Front panel audio connector | Yes |
| EPS power connector (8-pin) | Yes |
| CPU fan connector | Yes |
| ATX Power connector (24-pin) | Yes |
| RGB LED pin header | Yes |
| Number of CPU fan connectors | 2 |
| Number of EPS power connectors (8-pin) | 1 |
| Technical details | |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B850 |
| Parallel processing technology support | Not supported |
| Motherboard form factor | micro ATX |
| Component for | PC |
| Audio | |
| Audio output channels | 7.1 channels |
| Performance | |
| Supported storage drive types | HDD & SSD |
| Windows operating systems supported | Windows 10 x64, Windows 11 x64 |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B850 |
| RAID levels | 0, 1, 10 |
| Audio output channels | 7.1 channels |
| Motherboard form factor | micro ATX |
| Component for | PC |
| Processor | |
| Processor manufacturer | AMD |
| Compatible processor series | AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series |
| Processor socket | Socket AM5 |
| Memory | |
| Number of memory slots | 2 |
| Memory slots type | DIMM |
| Supported memory types | DDR5-SDRAM |
| Memory channels | Dual-channel |
| Maximum internal memory | 128 GB |
| Unbuffered memory | Yes |
| Supported memory clock speed (max) | 8200 MHz |
| ECC сompatibility | ECC & Non-ECC |
| Storage controllers | |
| Supported storage drive types | HDD & SSD |
| Supported storage drive interfaces | M.2, SATA III |
| RAID levels | 0, 1, 10 |
| RAID support | Yes |
| Graphics | |
| Parallel processing technology support | Not supported |
| HDCP | Yes |
| Rear panel I/O ports | |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 3 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity | 1 |
| DisplayPort version | 1.4 |
| USB 2.0 ports quantity | 2 |
| Microphone in | Yes |
| HDMI ports quantity | 1 |
| Ethernet LAN (RJ-45) ports | 1 |
| DisplayPorts quantity | 1 |
| Line-in | Yes |
| Network | |
| Ethernet LAN | Yes |
| Wi-Fi | Yes |
| Wi-Fi standards | 802.11a, 802.11b, 802.11g, Wi-Fi 4 (802.11n), Wi-Fi 5 (802.11ac), Wi-Fi 6 (802.11ax), Wi-Fi 6E (802.11ax) |
| LAN controller | Dragon RTL8125BG |
| Ethernet interface type | 2.5 Gigabit Ethernet |
| Bluetooth | Yes |
| Bluetooth version | 5.2 |
| Top Wi-Fi standard | Wi-Fi 6E (802.11ax) |
| Features | |
| Windows operating systems supported | Windows 10 x64, Windows 11 x64 |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B850 |
| Audio output channels | 7.1 channels |
| Motherboard form factor | micro ATX |
| Component for | PC |
| Audio chip | Realtek ALC897 |
| Product colour | Black |
| Expansion slots | |
| Number of M.2 (M) slots | 1 |
| PCI Express x1 (Gen 4.x) slots | 1 |
| PCI Express x16 (Gen 4.x) slots | 1 |
| PCI Express x16 (Gen 5.x) slots | 1 |
| BIOS | |
| BIOS type | UEFI AMI |
| BIOS memory size | 256 Mbit |
| Video | |
| HDCP | Yes |
| Software | |
| Windows operating systems supported | Windows 10 x64, Windows 11 x64 |
| Weight & dimensions | |
| Width | 244 mm |
| Depth | 226 mm |
| Packaging content | |
| Cables included | SATA |
| Antenna included | Yes |
| Other features | |
| PCI Express x1 (Gen 4.x) slots | 1 |
| Identifiers | |
| Distributor SKUs | 90-MXBSH0-A0UAYZ, 576091, 581844, STD10225819, MBASR-B850MXW2, B850MXWIFIR20, CLB850MXWIFIR20 |

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