ASUS PRIME B850M-A WIFI
Motherboard | micro ATX | Socket AM5 | AMD B850 Chipset | USB 3.2 Gen 2, USB 3.2 Gen 1, USB-C 3.2 Gen 1 | Wi-Fi 6E, Bluetooth, 2.5 Gigabit LAN | onboard graphics (CPU required) | HD Audio (8-channel)
Main Specification
| Product Description | ASUS PRIME B850M-A WIFI - motherboard - micro ATX - Socket AM5 - AMD B850 |
|---|---|
| Product Type | Motherboard - micro ATX |
| Chipset Type | AMD B850 |
| Processor Socket | 1 x Socket AM5 |
| Compatible Processors | Ryzen (supports Ryzen 7000/8000/9000 Series) |
| Max RAM Size | 256 GB |
| RAM Supported | 4 DIMM slots - DDR5, on-die ECC, non-ECC, ECC, unbuffered |
| Storage Ports | 4 x SATA-600 (RAID), 3 x M.2 |
| USB / FireWire Ports | 2 x USB 3.2 Gen 2 + 2 x USB 3.2 Gen 1 + 4 x USB 2.0 + (1 x USB-C 3.2 Gen 1 + 2 x USB 3.2 Gen 1 + 4 USB 2.0 via headers) |
| Audio | HD Audio (8-channel) |
| LAN | 802.11a/b/g/n/ac/ax (Wi-Fi 6E), Bluetooth 5.3, 2.5 Gigabit Ethernet |
General
| Product Type | Motherboard - micro ATX |
|---|---|
| Chipset Type | AMD B850 |
| Processor Socket | Socket AM5 |
| Max Processors Qty | 1 |
| Compatible Processors | Ryzen (supports Ryzen 7000/8000/9000 Series) |
Supported RAM
| Max Size | 256 GB |
|---|---|
| Technology | DDR5 |
| Bus Clock | 4000 MHz (O.C.) |
| Supported RAM Integrity Check | On-die ECC, non-ECC, ECC |
| Registered or Buffered | Unbuffered |
| Features | Dual channel memory architecture, AMD EXPO technology |
Audio
| Type | HD Audio (8-channel) |
|---|---|
| Compliant Standards | High Definition Audio |
LAN
| Network Interfaces | 802.11a/b/g/n/ac/ax (Wi-Fi 6E), Bluetooth 5.3, 2.5 Gigabit Ethernet |
|---|
Expansion / Connectivity
| Expansion Slots | 1 x CPU 4 x DIMM 288-pin 1 x PCIe 5.0 x16 1 x PCIe 4.0 x16 2 x M.2 socket (2280 M.2 Key M slot) 1 x M.2 socket (2230/2242/2260/2280 M.2 Key M slot) |
|---|---|
| Storage Interfaces | SATA-600 -connectors: 4 x 7pin Serial ATA - RAID 0 / RAID 1 / RAID 10 / RAID 5 PCIe 5.0 -connectors: 1 x M.2 PCIe 4.0 -connectors: 2 x M.2 |
| RAID Features | AMD RAID Xpert2 Technology |
| Interfaces | 1 x LAN (2.5Gigabit Ethernet) 1 x HDMI 1 x DisplayPort 2 x USB 3.2 Gen 2 2 x USB 3.2 Gen 1 4 x USB 2.0 1 x audio line-out - mini-jack 1 x audio line-in - mini-jack 1 x audio line-out (rear) - mini-jack 2 x aerial |
| Internal Interfaces | 1 x USB-C 3.2 Gen 1 - header 2 x USB 3.2 Gen 1 - header 4 x USB 2.0 - header 1 x SPDIF out - header 1 x SPI - header 1 x audio - header 1 x serial - header |
| Power Connectors | 24-pin main power connector, 8-pin ATX12V connector, 4-pin ATX12V connector |
Features
| BIOS Type | AMI |
|---|---|
| BIOS Features | UEFI BIOS, ASUS EZ Flash 3, ASUS UEFI BIOS EZ Mode |
| Sleep / Wake Up | Wake on LAN (WOL), wake on PME |
| Hardware Features | ASUS Enhanced Memory Profile (AEMP), CrashFree BIOS 3, Preboot eXecution Environment (PXE), ASUS Aura Sync, TUF LANGuard, ASUS DIGI+ VRM, ASUS EZ DIY, ASUS Overvoltage Protection, ASUS ProCool, ASUS Q-Design, ASUS SafeDIMM, ASUS SafeSlot, ASUS Stainless Steel Back I/O, ASUS TUF Protection, BIOS FlashBack button, BIOS FlashBack LED, M.2 heatsink, M.2 Q-Latch, PCIe Slot Q-Release, pre-mounted I/O shield, Q-Antenna, Q-Dashboard, Q-DIMM, Q-LED, VRM heatsink design, 8+2+1 Phase Power Design, DIY Friendly Design, chipset heatsink, 8 Layer PCB, TUF 5K black metallic capacitors, PCH heatsink |
Miscellaneous
| Included Accessories | ASUS Wi-Fi Q-antenna, 1 x M.2 rubber package, 2 x M.2 screw package |
|---|---|
| Cables Included | 2 x Serial ATA cable |
| Software Included | Adobe Creative Cloud (free trial), Armoury Crate, ASUS AURA Creator, ASUS DriverHub, ASUS Fan Xpert 4, ASUS GlideX, ASUS TUF GAMING CPU-Z, Norton 360 for Gamers (60 days trial), TurboV Core, WinRAR (40 days trial), DTS Audio Processing |
| Width | 24.4 cm |
| Depth | 24.4 cm |
Product features
Robust audio capabilities
Equipped with high definition audio support, the motherboard provides 8-channel audio output for a sound experience, ideal for gaming and multimedia applications.Versatile storage options
The ASUS PRIME B850M-A is designed with 4 x SATA-600 (RAID) and 3 x M.2 sockets to accommodate multiple storage devices, enhancing system performance and data management.Extensive connectivity
This motherboard provides a range of connectivity ports, including USB 3.2 Gen 2, HDMI, DisplayPort, and 2.5 Gigabit Ethernet, ensuring compatibility with various peripherals and high-speed networks.Customizable bios features
Features such as ASUS EZ Flash 3 and CrashFree BIOS 3 allow for easy system management and recovery, providing users with an experience while maintaining optimal performance.Enhanced thermal management
The motherboard includes a VRM heatsink design, chipset heatsink, and a dedicated M.2 heatsink, ensuring cooling under heavy workloads for sustained performance.Key selling points
- Supports AMD Ryzen processors including the 7000/8000/9000 series
- Equipped with DDR5 RAM technology for enhanced performance
- Includes connectivity options with PCIe 5.0 and Wi-Fi 6E
- Features reliable power management for stable operation under load
- Offers multiple storage interfaces for versatility and expansion
References
MPN: 90MB1LN0-M0EAY0
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28/08/2026 21:58:19