Build a powerful and compact gaming PC with this Micro ATX AMD B840 motherboard, designed for AM5 socket Ryzen 7th, 8th, and 9th Gen processors. Supporting up to 256GB of DDR5 RAM with speeds up to 8200 MHz (OC), it’s perfect for high-performance gaming and multitasking. Featuring Wi-Fi 6, Bluetooth, and Realtek 2.5G LAN, it ensures fast, reliable connectivity. With HDMI 2.1, DisplayPort 1.4, and integrated RGB headers, it offers both visual clarity and customizable lighting. Equipped with dual M.2 PCIe slots, 7.1-channel Realtek audio, TPM, and a reset button, this mATX board is ideal for next-gen compact gaming builds.
Gigabyte GA-B840M A Elite WIFI6E (AM5)
| Form factor |
Micro ATX (mATX)i |
| Socket | AM5 |
| Chipset | AMD B840 |
| Mainboard features |
Reset button, RGB header, Trusted Platform Module |
| Operating system compatibility | Windows |
| BIOS type | UEFI AMI |
| Wireless transmission | Bluetooth, Wi-Fi |
| Wi-Fi standard |
Wi-Fi 1 / 802.11bi, Wi-Fi 2 / 802.11a, Wi-Fi 3 / 802.11gi, Wi-Fi 4 / 802.11ni, Wi-Fi 5 / 802.11aci, Wi-Fi 6 / 802.11ax |
| Processor family |
Ryzen 7th Gen, Ryzen 8th Gen, Ryzen 9th Gen |
| Memory form factor | DIMM |
| Number of pins | 288 x |
| Number of memory modules (RAM) | 4 x |
| Max. memory (RAM) | 256 GB |
| Memory chip | DDR5 SDRAM |
| Max. RAM OC | 8200 MHz |
| Supported memory speed |
4400 MHz, 4800 MHz, 5200 MHz, 5600 MHz, 5800 MHz, 6000 MHz, 6200 MHz, 6400 MHz, 6600 MHz, 7000 MHz, 7600 MHz, 7800 MHz, 7900 MHz, 7950 MHz, 8000 MHz, 8200 MHz |
| Memory type | DDR5 RAM |
| RAM buffer | Unbuffered |
| Video connections |
DisplayPort (1x), HDMI (1x) |
| Video connection version |
Display port 1.4, HDMI 2.1 |
| Network connections | RJ45 (1x) |
| Ethernet controller brand | Realtek |
| Ethernet controller |
Realtek RTL8125 |
| Max. port speed | 2.50 Gbit/s |
| Chip | Realtek ALC897 |
| Audio channel | 7.1 Channel |
| Audio Connections |
Headphone output (1x), Jack 3.5mm Line In (1x), Microphone |
| RAID configuration | 36535 |
| Internal connection options |
M.2 PCIe (2x), S-ATA III (4x) |
| Expansion slot |
PCI Express x16 (Gen 3) (1x), PCI Express x16 (Gen 4) (1x) |
| PCI express version (max.) | 4 |
| Number of fan connector | 3 |
| USB ports | USB-A, USB-C |
| Exact USB ports |
USB-A 2.0 (4x), USB-A 3.2 Gen 1 (2x), USB-A 3.2 Gen 2 (2x), USB-C 3.2 Gen 1 (1x) |
| Power connectors |
24-pin ATX, 8-pin ATX 12V |
| Scope of delivery |
LAN bandwidth management software, Norton® Internet Security (OEM version) |
| Length | 244 mm |
| Width | 244 mm |
| Height | 35 mm |
| Weight | 1496 g |





































