Build a compact AMD gaming system with the GIGABYTE B840M EAGLE WIFI6, an AM5 micro-ATX motherboard ready for Windows 10/11 and Ryzen 7000/8000G/9000 series CPUs. It supports up to 128GB DDR5 across four DIMM slots, with overclocking up to DDR5-7200 (OC) for smooth performance. Expansion includes 2 PCIe slots (x16 + x4), while storage is handled by 2x M.2 PCIe slots and 4x SATA ports with RAID support. Connectivity is modern with 2.5Gb Realtek LAN, Wi-Fi 6, and Bluetooth 5.3. Rear I/O offers HDMI, DisplayPort, USB 3.2 Gen1, and PS/2. Add style with RGB + 2 ARGB headers and keep everything cool using 4 PWM fan headers. BIOS update may be required for the newest CPUs.
GIGABYTE B840M EAGLE WIFI6, motherboard (black/grey)
| type | Mainboard |
| Color | black/grey |
| EAN | 4719331868970 |
| Manufacturer's No. |
B840M EAGLE WIFI6 |
| base | AM5 |
| Maximum supported CPUs | 1 |
|
operating system |
|
| Support |
Windows 10 ready, Windows 11 ready |
| processor | |
| Supported models |
Ryzen 5 7xxx (Raphael), Ryzen 5 7xxxX (Raphael), Ryzen 5 7xxxF (Raphael), Ryzen 5 7xxxX3D (Raphael), Ryzen 5 8xxxG (Phoenix), Ryzen 5 9xxxX (Granite Ridge), Ryzen 7 7xxx (Raphael), Ryzen 7 7xxxX (Raphael), Ryzen 7 7xxxX3D (Raphael), Ryzen 7 8xxxG (Phoenix), Ryzen 7 8xxxF (Phoenix), Ryzen 7 9xxxX (Granite Ridge), Ryzen 7 9xxxX3D (Granite Ridge), Ryzen 9 7xxx (Raphael), Ryzen 9 7xxxX (Raphael), Ryzen 9 7xxxX3D (Raphael), Ryzen 9 9xxxX (Granite Ridge), Ryzen 9 9xxxX3D (Granite Ridge) |
| Chipset | AMD B840 |
| slots | |
| PCIe x16 |
2x (of which: 1x PCIe x16, 1x PCIe x4) |
| BIOS |
256Mb Flash ROM, UEFI AMI BIOS |
| Form factor | µATX |
| use | PC |
| power supply |
ATX12V (24-Pin + 8-Pin) |
| memory | |
| maximum | 128 GB |
| Number of sockets | 4x DDR5 |
| supported standards |
27600(OC) / 7200(OC) / 7000(OC) / 6800(OC) / 6600(OC) / 6400(OC) / 6200(OC) / 6000(OC) / 5800(OC) / 5600(OC) / 5200 / 4800 MT/s |
| Channels | 2 |
| Maximum storage ranks | 4 |
| Memory controller in CPU | Yes |
| Mouse/keyboard combo (PS/2) | 1 |
| USB-A 3.2 Gen 1 (5 Gbit/s) | 2 |
| A notice: |
The designation USB 3.2 Gen 1 corresponds to the earlier designations USB 3.1 Gen 1 and USB 3.0. |
| USB-A 2.0 | 4 |
| HDMI | 1 |
| DisplayPort-Out | 1 |
| microphone | 1 |
| Line-In | 1 |
| Line-Out | 1 |
| RJ-45 | 1 |
| Bluetooth | Yes |
| Wi-Fi | Yes |
|
Internal connections |
|
| SATA | 4 |
| M.2 | 2 |
| M.2 Module Key | M |
| M.2 interface | PCIe |
| M.2 Length | 80 mm |
| RGB LED Header | 1 |
| addressable RGB LED header | 2 |
| 4-pin PWM fan | 4 |
|
Connections (optional) |
|
| USB 3.2 Gen 1 (5 Gbit/s) | 2 |
| USB-C 3.2 Gen 1 (5 Gbit/s | 1 |
| USB 2.0 | 4 |
| TPM | Yes |
| SATA controller | AMD B840 |
| directly usable RAID levels | 0, 1, 10, 5 |
| USB controller | AMD B840 |
| Onboard graphics |
The motherboard's graphics ports can only be used when using a CPU with an integrated graphics chip. |
| Sound |
Realtek Audio Codec |
| LAN |
Realtek 2.5Gb Ethernet |
|
Realtek Wi-Fi 6 RTL8851BE, Bluetooth 5.3 |
|
| Further information |
To support the latest processor cores, a BIOS update may be required. |
| Dimensions |
Width: 244 mm x Height: 244 mm |
| Weight | 2000 g |
































