GIGABYTE B840M D2H Motherboard
Key Features
- X3D Turbo Mode – Designed to unleash a new era of gaming performance
- AMD Socket AM5 – Supports:
- AMD Ryzen™ 9000 Series Processors
- AMD Ryzen™ 8000 Series Processors
- AMD Ryzen™ 7000 Series Processors
- Digital 5+2+2 Phases VRM Solution
- Dual Channel DDR5 Memory
- 2 × DIMM slots with AMD EXPO™ memory module support
- EZ-Latch
- PCIe x16 slot with quick release design
- Friendly UI
- Multi-theme interface
- AIO fan control
- Q-Flash Auto Scan in BIOS and software
- Ultra-Fast Storage
- 2 × M.2 slots, including 1 × PCIe 4.0 x4
- Fast Networking
- 2.5GbE LAN
Specifications
CPU
- AMD Socket AM5, support for:
- AMD Ryzen™ 9000 Series Processors
- AMD Ryzen™ 8000 Series Processors
- AMD Ryzen™ 7000 Series Processors
- (For the latest CPU support list, refer to GIGABYTE’s website.)
Chipset
- AMD B840
Memory
- Support for DDR5 memory modules:
- 7600(O.C.) / 7200(O.C.) / 7000(O.C.) / 6800(O.C.) / 6666(O.C.) / 6600(O.C.) / 6400(O.C.) / 6200(O.C.) / 6000(O.C.) / 5600(O.C.) / 5200 / 4800 / 4400 MT/s
- 2 × DDR5 DIMM sockets, supporting up to 128 GB system memory
- 64 GB single DIMM capacity
- Dual channel memory architecture
- Support for non-ECC Un-buffered DIMM 1Rx8 / 2Rx8 / 1Rx16 memory modules
- Support for AMD EXtended Profiles for Overclocking (AMD EXPO™) and Extreme Memory Profile (XMP) memory modules
- (CPU and memory configuration may affect supported types, speeds, and module count; see the “Memory Support List” on GIGABYTE’s website.)
BIOS
- 1 × 256 Mbit flash
- Licensed AMI UEFI BIOS
- PnP 1.0a, DMI 2.7, WfM 2.0, SM BIOS 2.7, ACPI 5.0
Graphics
- Integrated Graphics Processor with AMD Radeon™ Graphics support
- 1 × HDMI port, supporting up to 4096×2160 @ 60 Hz
- Supports HDMI 2.1, HDCP 2.3, and HDR
- Supports native HDMI 2.1 TMDS compatible ports
- (Graphics specifications may vary depending on CPU support.)
Audio
- Realtek® Audio CODEC
- High Definition Audio
- 2/4/5.1/7.1-channel support
- Audio jack functionality configurable via audio software
- For 7.1-channel output, configure in the audio software
LAN
- Realtek® 2.5GbE LAN chip
- 2.5 Gbps / 1 Gbps / 100 Mbps
Wireless LAN
- N/A
Expansion Slots
- 1 × PCI Express x16 slot (PCIEX16), integrated in the CPU:
- AMD Ryzen™ 9000 / 7000 Series:
- PCIe 4.0 x16 mode
- AMD Ryzen™ 8000 Series – Phoenix 1:
- PCIe 4.0 x8 mode
- AMD Ryzen™ 8000 Series – Phoenix 2:
- PCIe 4.0 x4 mode
-
PCIEX16 slot supports either a graphics card or an NVMe SSD. If only one graphics card is installed, it must be in the PCIEX16 slot.
-
Chipset:
- 1 × PCI Express x16 slot (PCIEX4), supporting PCIe 3.0 and running at x4
Storage
- 1 × M.2 connector (M2A_CPU), integrated in the CPU
- Socket 3, M key, type 2580/2280 SSDs
- AMD Ryzen™ 9000 / 7000 Series Processors:
- PCIe 4.0 x4/x2 SSDs
- AMD Ryzen™ 8000 Series – Phoenix 1 Processors:
- PCIe 4.0 x4/x2 SSDs
-
AMD Ryzen™ 8000 Series – Phoenix 2 Processors:
- PCIe 4.0 x4/x2 SSDs
-
1 × M.2 connector (M2C_SB), integrated in the chipset
- Socket 3, M key, type 2280
-
PCIe 3.0 x2 SSDs
-
4 × SATA 6Gb/s connectors
RAID
- RAID 0, RAID 1, RAID 5, and RAID 10 support for NVMe SSD storage devices
- RAID 5 is only available on AMD Ryzen™ 9000 Series Processors.
USB
- From CPU:
-
2 × USB 3.2 Gen 1 ports on the back panel
-
From CPU + USB 2.0 Hub:
-
4 × USB 2.0/1.1 ports on the back panel
-
From Chipset:
- 2 × USB 3.2 Gen 1 ports via internal USB header
- 4 × USB 2.0/1.1 ports via internal USB headers
Internal Connectors
- 1 × 24-pin ATX main power connector
- 1 × 8-pin ATX 12V power connector
- 1 × CPU fan header
- 1 × CPU fan/water cooling pump header
- 1 × system fan header
- 2 × addressable RGB Gen2 LED strip headers
- 1 × RGB LED strip header
- 4 × SATA 6Gb/s connectors
- 2 × M.2 Socket 3 connectors
- 1 × front panel header
- 1 × front panel audio header
- 1 × USB 3.2 Gen 1 header
- 2 × USB 2.0/1.1 headers
- 1 × Trusted Platform Module header
- For GC-TPM2.0 SPI / GC-TPM2.0 SPI 2.0 / GC-TPM2.0 SPI V2 module only
- 1 × reset jumper
- 1 × Clear CMOS jumper
Rear Panel I/O
- 1 × PS/2 keyboard/mouse port
- 2 × USB 3.2 Gen 1 ports
- 4 × USB 2.0/1.1 ports
- 1 × HDMI port*
- 1 × Q-Flash Plus button
- 1 × RJ-45 LAN port
- 3 × audio jacks
* HDMI port as detailed in the Graphics section.
Form Factor
- Micro ATX
- Dimensions: 24.4 cm × 24.4 cm
Operating System Support
- Windows 11 64-bit
- Windows 10 64-bit
