| Processor | |
| Processor manufacturer | AMD |
| Compatible processor series | AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series |
| Processor socket | AM5 |
| Supported processor sockets | Socket AM5 |
| Memory | |
| Maximum internal memory | 192 GB |
| ECC | ![]() |
| Non-ECC | ![]() |
| Supported memory types | DDR5 |
| Memory channels | Dual-channel |
| Unbuffered memory | ![]() |
| Memory slots type | DIMM |
| Number of memory slots | 4 |
| Supported memory clock speed (max) | 7600 MHz |
| ECC сompatibility | ECC & Non-ECC |
| Weight & dimensions | |
| Width | 244 mm |
| Depth | 244 mm |
| Networking | |
| Wi-Fi standards | Wi-Fi 6E (802.11ax) |
| Bluetooth version | 5.3 |
| Ethernet LAN | ![]() |
| Bluetooth | ![]() |
| Wi-Fi | ![]() |
| Ethernet interface type | 2.5 Gigabit Ethernet |
| Top Wi-Fi standard | Wi-Fi 6E (802.11ax) |
| Internal I/O | |
| USB 2.0 connectors | 2 |
| S/PDIF out connector | ![]() |
| CPU fan connector | ![]() |
| Number of COM connectors | 1 |
| ATX Power connector (24-pin) | ![]() |
| Number of chassis fan connectors | 3 |
| Front panel audio connector | ![]() |
| TPM connector | ![]() |
| EPS power connector (8-pin) | ![]() |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 2 |
| Number of SATA III connectors | 4 |
| USB 3.2 Gen 2 (3.1 Gen 2) connectors | 0 |
| Front panel connector | ![]() |
| 12V power connector | ![]() |
| RGB LED pin header | ![]() |
| Back panel I/O ports | |
| USB 2.0 ports quantity | 4 |
| Ethernet LAN (RJ-45) ports | 1 |
| VGA (D-Sub) ports quantity | 0 |
| DVI-D ports quantity | 0 |
| WiFi-AP antenna jack | 1 |
| HDMI ports quantity | 1 |
| HDMI version | 2.1 |
| DisplayPorts quantity | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 0 |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-C ports quantity | 1 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-A ports quantity | 2 |
| USB 3.2 Gen 2 (3.1 Gen 2) Type-C ports quantity | 0 |
| Storage controllers | |
| RAID levels | 0, 1, 5, 10 |
| Number of HDDs supported | 4 |
| RAID support | ![]() |
| Number of storage drives supported | 7 |
| Supported storage drive types | HDD & SSD |
| Supported storage drive interfaces | M.2, SATA III |
| Packaging data | |
| Package weight | 1.52 kg |
| Package depth | 275 mm |
| Package height | 67.5 mm |
| Package width | 275 mm |
| Packaging content | |
| Cables included | SATA |
| Screws included | ![]() |
| Antenna included | ![]() |
| Expansion slots | |
| PCI Express x16 slots | 3 |
| PCI Express x1 slots | 2 |
| PCI Express x1 (Gen 3.x) slots | 2 |
| PCI Express x16 (Gen 3.x) slots | 2 |
| Number of M.2 (M) slots | 3 |
| PCI Express x16 (Gen 4.x) slots | 1 |
| 1st M.2 largest key size | 2280 |
| 2nd M.2 largest key size | 2280 |
| 3rd M.2 largest key size | 2280 |
| 1st M.2 highest PCI Express generation | 4.0 |
| 2nd M.2 highest PCI Express generation | 4.0 |
| 3rd M.2 highest PCI Express generation | 3.0 |
| BIOS | |
| BIOS memory size | 256 Mbit |
| BIOS type | UEFI AMI |
| Clear CMOS button | ![]() |
| Graphics | |
| Parallel processing technology support | Not supported |
| Features | |
| Motherboard chipset | AMD B840 |
| Motherboard form factor | Micro ATX |
| Audio output channels | 7.1 channels |
| Windows operating systems supported | Windows 10 x64, Windows 11 |
| Motherboard chipset family | AMD |
| Component for | PC |
| EAN | 4711387797143 |
| Warranty | 3 years |
The ASUS PRIME B840M-A WIFI is a Micro-ATX motherboard designed for AMD's AM5 socket, providing a stable platform for Ryzen 7000, 8000, and 9000 series processors. Its B840 chipset supports the foundational features required for contemporary PC builds. The board accommodates up to 192 GB of dual-channel DDR5 memory across four DIMM slots, with support for speeds reaching 7600 MHz to handle demanding applications and multitasking. This compact form factor is suitable for builds where space is a consideration without compromising on core performance capabilities.
For storage and expansion, the motherboard is equipped with three M.2 slots for high-speed NVMe drives and four SATA 6Gb/s ports for traditional storage devices, with RAID 0, 1, 5, and 10 support. Connectivity options include 2.5 GbE LAN for fast wired networking, alongside integrated Wi-Fi 6E and Bluetooth 5.3 for wireless connections. The primary expansion slot is a PCIe 4.0 x16, and the rear I/O panel features multiple display outputs, including HDMI and DisplayPort, as well as several USB ports for peripheral connectivity.
Key Features:- Supports AMD Ryzen 7000, 8000, and 9000 series processors
- Features a Micro-ATX form factor for compact PC builds
- Accommodates up to 192 GB of DDR5 memory
- Includes three M.2 slots and four SATA ports for storage
- Provides one PCIe 4.0 x16 primary expansion slot
- Equipped with 2.5 GbE LAN, Wi-Fi 6E, and Bluetooth 5.3
- Offers HDMI and DisplayPort for video output
- Features a Realtek 7.1 Surround Sound audio codec
Estimated delivery: 19.01
Today: 11:00 - 15:00
Estimated delivery: 19.01
Today: Closed
Estimated delivery: 19.01
Today: Closed
Estimated delivery: 19.01
Today: Closed
Estimated delivery: 19.01
Today: 10:00 - 14:00
Estimated delivery time: 19.01
Estimated delivery time: 20.01
Estimated delivery time: 19.01
Estimated delivery time: 20.01
Estimated delivery time: 20.01
Estimated delivery time: 19.01
Estimated delivery time: 19.01
Estimated delivery time: 20.01
- manual pdf (English)

