Asrock B850M-X R2.0 AMD B850 micro ATX motherboard
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About This Item
- Supports AMD Ryzen 7000, 8000 and 9000 Series processors on Socket AM5
- Micro ATX form factor with AMD B850 chipset for balanced performance
- Dual-channel DDR5 memory support up to 128GB for high-speed multitasking
- 1 M.2 slot with PCIe 5.0 support for ultrafast SSD storage
- 7.1 channel audio with Dragon 2.5Gb LAN for immersive sound and fast networking
- 3 USB 3.2 Gen 1 Type-A and 1 Type-C port for versatile connectivity
- PCIe 5.0 x16 slot with reinforced steel for stable GPU installation
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ASRock B850M-X R2.0 | AMD B850 Micro ATX Powerhouse
The ASRock B850M-X R2.0 AMD B850 Socket AM5 micro ATX motherboard delivers a compelling blend of performance and efficiency for AMD Ryzen processors. Built on the AMD B850 chipset, this micro ATX board offers robust power delivery, advanced connectivity, and comprehensive support for DDR5 memory and PCIe 5.0 devices.
Key Specifications
| Metric | Spec |
|---|---|
| Processor Socket | AM5 |
| Memory Support | DDR5, up to 128GB |
| Expansion Slots | 1x PCIe 5.0 x16, 1x PCIe 4.0 x1 |
| Storage | 1x M.2 PCIe 5.0, 4x SATA III |
| Network | 2.5Gb/s Ethernet |
Engineered for Performance
The B850M-X R2.0 features Dr. MOS power delivery technology, providing enhanced thermal efficiency and stable power to your CPU during intensive workloads. The 6-layer PCB design ensures clean signal traces and improved memory overclocking potential, supporting the latest DDR5 modules with XMP/EXPO profiles for effortless performance tuning.
Storage and Expansion Ready
With a PCIe 5.0 M.2 slot, this motherboard accommodates the fastest next-generation SSDs, offering up to 128Gb/s transfer speeds. The combination of M.2 and SATA III interfaces provides flexible storage options for both high-speed applications and mass storage needs. The reinforced PCIe 5.0 x16 slot ensures your graphics card remains securely installed even under heavy use.
Connectivity and Features
The integrated 2.5Gb/s Dragon LAN controller delivers superior networking performance for gaming, content creation, and media streaming. Front panel USB 3.2 Gen 1 Type-C support brings modern connectivity to your case’s front panel. Comprehensive RGB lighting options through POLYCHROME RGB and SignalRGB compatibility allow for extensive customisation of your build’s aesthetics.
Box Contents
- ASRock B850M-X R2.0 motherboard
- I/O shield
- User manual
- Driver/software support DVD
- SATA cables
- M.2 screws
Check before you buy
- Confirm your AMD Ryzen 7000/8000/9000 Series processor is compatible with AM5 socket
- Verify your case supports micro ATX form factor (244mm x 226mm)
- Check that your DDR5 memory modules support XMP/EXPO profiles for optimal performance
- Ensure you have a 24-pin ATX and 8-pin EPS power supply connector available
Frequently Asked Questions
Q: Does this motherboard support Wi-Fi?
A: No, the B850M-X R2.0 does not include built-in Wi-Fi. It features 2.5Gb/s Ethernet for wired networking.
Q: What graphics outputs are available?
A: The motherboard provides HDMI and DisplayPort outputs for integrated graphics or video output from your GPU.
Q: Can I overclock with this motherboard?
A: Yes, the B850M-X R2.0 supports memory overclocking through DDR5 XMP/EXPO profiles and offers UEFI BIOS for system tuning.
Q: How many USB ports does it have?
A: It includes 3x USB 3.2 Gen 1 Type-A, 1x USB 3.2 Gen 1 Type-C, and 2x USB 2.0 ports on the rear I/O panel.
The Consultant’s Verdict & Warranty
The ASRock B850M-X R2.0 represents excellent value for users building AMD AM5 systems who need reliable performance without excessive features. Its combination of PCIe 5.0 support, robust power delivery, and comprehensive connectivity makes it suitable for both gaming and productivity builds. Covered by the standard Manufacturer Warranty.
| Internal I/O | |
|---|---|
| Number of M.2 (M) slots | 1 |
| Supported storage drive interfaces | M.2, SATA III |
| USB 2.0 connectors | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 1 |
| TPM connector | Yes |
| Number of SATA III connectors | 4 |
| 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 |
| Motherboard form factor | micro ATX |
| Component for | PC |
| Audio | |
| Audio output channels | 7.1 channels |
| Performance | |
| 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 |
| 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 |
| ECC сompatibility | ECC & Non-ECC |
| Storage controllers | |
| Supported storage drive interfaces | M.2, SATA III |
| 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 |
| HDMI ports quantity | 1 |
| Ethernet LAN (RJ-45) ports | 1 |
| DisplayPorts quantity | 1 |
| Network | |
| Ethernet LAN | Yes |
| Wi-Fi | No |
| LAN controller | Dragon RTL8125BG |
| Ethernet interface type | 2.5 Gigabit Ethernet |
| 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 |
| 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 |
| Software | |
| Windows operating systems supported | Windows 10 x64, Windows 11 x64 |
| Weight & dimensions | |
| Width | 244 mm |
| Depth | 226 mm |
| Other features | |
| PCI Express x1 (Gen 4.x) slots | 1 |
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