ASUS B850M MAX GAMING WIFI AM5 micro ATX
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About This Item
- AMD B850 chipset with Socket AM5 for Ryzen 7000/8000/9000 processors
- micro ATX form factor with passive cooling for compact builds
- Supports up to 256 GB DDR5 memory across 4 DIMM slots
- Three M.2 slots with PCIe Gen 5.0, 4.0, and 3.0 support
- Built-in Wi-Fi 6 (802.11ax) and Bluetooth 5.4 for wireless connectivity
- 7.1 channel audio output for immersive sound
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ASUS B850M MAX GAMING WIFI | Micro ATX AMD B850 Motherboard
The ASUS B850M MAX GAMING WIFI AMD B850 Socket AM5 micro ATX motherboard delivers robust performance for AMD Ryzen 7000, 8000, and 9000 series processors. Designed with advanced AI PC readiness, this micro ATX board combines gaming-grade connectivity with efficient passive cooling for compact yet powerful builds.
Key Specifications
| Metric | Spec. |
|---|---|
| Processor Socket | Socket AM5 |
| Memory Support | DDR5-SDRAM, up to 256 GB |
| Storage Interfaces | M.2 (3x), SATA III (4x) |
| PCIe Slots | 1x PCIe 5.0 x16, 3x PCIe 4.0 |
| Wi-Fi Standard | Wi-Fi 6 (802.11ax) |
| Form Factor | Micro ATX |
Built for AMD Ryzen Performance
Engineered specifically for AMD Ryzen 9000 series processors, the B850M MAX GAMING WIFI unlocks the full potential of these CPUs through optimised power delivery and chipset integration. The AMD B850 chipset provides enhanced performance tuning and support for the latest DDR5 memory, ensuring your system can handle demanding applications and multitasking workloads without bottlenecking.
Advanced Connectivity Options
With comprehensive connectivity options, this motherboard supports modern computing needs. The built-in Wi-Fi 6 (802.11ax) and Bluetooth 5.4 provide reliable wireless connections, while the Gigabit Ethernet port ensures stable wired networking. Multiple USB ports including USB 3.2 Gen 2 Type-C offer versatile peripheral connectivity, and the HDMI and DisplayPort outputs support multiple display configurations for productivity or entertainment setups.
Storage Flexibility and Speed
The B850M MAX GAMING WIFI offers exceptional storage capabilities with three M.2 slots supporting different PCIe generations (5.0, 4.0, and 3.0) for NVMe SSDs, plus four SATA III ports for additional drives. This configuration allows for up to seven storage devices total, providing ample space for operating systems, applications, games, and media. The motherboard also supports RAID 0, 1, 5, and 10 configurations for data protection and performance optimisation.
Efficient Cooling Design
Featuring passive cooling technology, this motherboard maintains optimal operating temperatures without the need for active cooling fans on the chipset. This design reduces noise levels and power consumption while still providing adequate thermal management for sustained performance. The four chassis fan connectors and CPU fan connector allow for targeted cooling where needed, ensuring system stability during intensive workloads.
Box Contents
- ASUS B850M MAX GAMING WIFI motherboard
- SATA cables
- Mounting screws
- Wi-Fi antennas
- User manual and driver CD
Check before you buy
- Confirm your AMD Ryzen processor is compatible with Socket AM5
- Verify your case supports micro ATX form factor dimensions
- Check that your power supply provides adequate connectors for this board
- Ensure you have DDR5 memory modules for optimal performance
Frequently Asked Questions
Q: What processors are compatible with this motherboard?
A: This motherboard supports AMD Ryzen 7000, 8000, and 9000 series processors using the Socket AM5 platform.
Q: Does this motherboard support DDR4 memory?
A: No, this motherboard only supports DDR5-SDRAM memory modules.
Q: How many M.2 slots are available and what speeds do they support?
A: There are three M.2 slots: one supports PCIe 5.0, one supports PCIe 4.0, and one supports PCIe 3.0.
Q: Is Wi-Fi included or do I need a separate card?
A: Yes, this motherboard includes built-in Wi-Fi 6 (802.11ax) and Bluetooth 5.4 connectivity.
Q: What RAID configurations are supported?
A: This motherboard supports RAID 0, 1, 5, and 10 configurations for both M.2 and SATA drives.
The Consultant’s verdict & warranty
The ASUS B850M MAX GAMING WIFI offers excellent value for users building compact AMD systems with modern connectivity needs. Its combination of PCIe 5.0 support, comprehensive storage options, and built-in Wi-Fi 6 makes it ideal for gaming, content creation, and everyday computing. Covered by the standard Manufacturer Warranty.
| Internal I/O | |
|---|---|
| Number of M.2 (M) slots | 3 |
| Front panel connector | Yes |
| 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 | 3 |
| TPM connector | Yes |
| S/PDIF out connector | Yes |
| Number of SATA III connectors | 4 |
| Number of COM connectors | 1 |
| Number of chassis fan connectors | 4 |
| Front panel audio connector | Yes |
| EPS power connector (8-pin) | Yes |
| CPU fan connector | Yes |
| Chassis intrusion connector | Yes |
| ATX Power connector (24-pin) | Yes |
| RGB LED pin header | Yes |
| Number of RGB LED pin headers | 3 |
| Technical details | |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B850 |
| Supported processor sockets | Socket AM5 |
| Parallel processing technology support | Not supported |
| Cooling type | Passive |
| Motherboard form factor | micro ATX |
| Component for | PC |
| Audio | |
| Audio output channels | 7.1 channels |
| Performance | |
| Number of HDDs supported | 4 |
| Supported storage drive types | HDD & SSD |
| Windows operating systems supported | Windows 10 x64, Windows 11 |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B850 |
| RAID levels | 0, 1, 5, 10 |
| Supported processor sockets | Socket AM5 |
| Cooling type | Passive |
| 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 |
| Supported processor sockets | Socket AM5 |
| Processor socket | Socket AM5 |
| Memory | |
| Number of memory slots | 4 |
| Memory slots type | DIMM |
| Supported memory types | DDR5-SDRAM |
| Memory channels | Dual-channel |
| Maximum internal memory | 256 GB |
| Unbuffered memory | Yes |
| ECC сompatibility | ECC & Non-ECC |
| Storage controllers | |
| Number of HDDs supported | 4 |
| Supported storage drive types | HDD & SSD |
| Supported storage drive interfaces | M.2, SATA III |
| RAID levels | 0, 1, 5, 10 |
| Number of storage drives supported | 7 |
| RAID support | Yes |
| Graphics | |
| Parallel processing technology support | Not supported |
| Rear panel I/O ports | |
| 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 |
| USB 2.0 ports quantity | 5 |
| WiFi-AP antenna jack | 1 |
| 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 | Wi-Fi 6 (802.11ax) |
| Ethernet interface type | Gigabit Ethernet |
| Bluetooth | Yes |
| Bluetooth version | 5.4 |
| Top Wi-Fi standard | Wi-Fi 6 (802.11ax) |
| Features | |
| Windows operating systems supported | Windows 10 x64, Windows 11 |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B850 |
| Supported processor sockets | Socket AM5 |
| Cooling type | Passive |
| Audio output channels | 7.1 channels |
| Motherboard form factor | micro ATX |
| Component for | PC |
| Product colour | Black |
| Expansion slots | |
| Number of M.2 (M) slots | 3 |
| PCI Express x16 (Gen 4.x) slots | 3 |
| PCI Express x16 (Gen 5.x) slots | 1 |
| 1st M.2 largest key size | 2280 |
| 1st M.2 highest PCI Express generation | 5.0 |
| 2nd M.2 largest key size | 2280 |
| 2nd M.2 highest PCI Express generation | 4.0 |
| 3rd M.2 largest key size | 2280 |
| 3rd M.2 highest PCI Express generation | 3.0 |
| BIOS | |
| BIOS type | UEFI AMI |
| BIOS memory size | 256 Mbit |
| Packaging data | |
| Package width | 275 mm |
| Package depth | 275 mm |
| Package height | 67.5 mm |
| Package weight | 1.38 kg |
| Software | |
| Windows operating systems supported | Windows 10 x64, Windows 11 |
| Weight & dimensions | |
| Package width | 275 mm |
| Package depth | 275 mm |
| Package height | 67.5 mm |
| Package weight | 1.38 kg |
| Weight | 859 g |
| Width | 244 mm |
| Depth | 244 mm |
| Packaging content | |
| Cables included | SATA |
| Screws included | Yes |
| Antenna included | Yes |
| Other features | |
| Package width | 275 mm |
| Package depth | 275 mm |
| Package height | 67.5 mm |
| Package weight | 1.38 kg |
| Weight | 859 g |
| Identifiers | |
| Distributor SKUs | MBD-90MB1LL0-M0EAY0, 11808590, 576524, STD10225167, CL90MB1LL0-M0EAY0 |

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