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| Basic Information | ||
| Supported CPU | AMD Socket AM5, supporting AMD Ryzen 9000, 8000, and 7000 Series Processors | |
| Chipset | AMD B840 | |
| Form Factor | Micro ATX (mATX) Form Factor; 24.4cm x 24.4cm | |
| Memory | ||
| Number of Memory Slots | 4 x DDR5 DIMM Sockets | |
| Channel Supported | Dual Channel Memory Architecture | |
| Maximum Memory | Up to 256 GB (Maximum 64 GB per single DIMM capacity) | |
| Supported Memory | DDR5 8200(O.C.) down to 4400 MT/s; supports non-ECC Un-buffered DIMM modules, AMD EXtended Profiles for Overclocking (AMD EXPO™), and Extreme Memory Profile (XMP) | |
| Graphics | ||
| Graphics | Integrated Graphics Processor with AMD Radeon™ Graphics support | |
| Max Shared Memory | Dynamically allocated by system (Typically defaults up to 2 GB - 16 GB depending on system RAM allocation) | |
| Expansion Slots | ||
| Expansion Slots | 1 x PCIe 4.0 x16 slot (integrated in CPU; running at full x16 mode for Ryzen 9000/7000, drops configuration based on lower-tier APUs); 1 x PCIe 3.0 x16 slot (running at x4 mode from Chipset) | |
| Storage | ||
| Supported Storage | 2 x M.2 Socket 3 connectors (M2A_CPU & M2B_CPU supporting PCIe 4.0 x4/x2 SSDs); 4 x SATA 6Gb/s connectors | |
| Network | ||
| LAN | 2.5GbE LAN chip (2.5 Gbps/1 Gbps/100 Mbps) | |
| Audio | ||
| Audio | Audio CODEC, High Definition Audio, 2/4/5.1/7.1-channel support | |
| BIOS | ||
| BIOS | 1 x 256 Mbit flash; Use of licensed AMI UEFI BIOS; PnP 1.0a, DMI 2.7, WfM 2.0, SM BIOS 2.7, ACPI 5.0 | |
| Ports & Connectors | ||
| HDMI | 1 x HDMI port (Supporting a maximum resolution of 4096x2160@60 Hz, HDMI 2.1 version, HDCP 2.3, and HDR) | |
| USB Ports | Rear Panel: 1 x USB Type-C® (USB 3.2 Gen 1), 2 x USB 3.2 Gen 1 Type-A, 4 x USB 2.0/1.1 Internal Headers: 1 x USB Type-C (USB 3.2 Gen 1), 1 x USB 3.2 Gen 1 header (supports 2 ports), 2 x USB 2.0/1.1 headers (supports 4 ports) | |
| Display Port | 2 x DisplayPorts (Supporting a maximum resolution of 3840x2160@144 Hz, DisplayPort 1.4 version) | |
| RAID | RAID 0, RAID 1, RAID 5, and RAID 10 for NVMe SSD storage devices (RAID 5 requires a Ryzen 9000 Series Processor); RAID 0, RAID 1, and RAID 10 for SATA storage devices | |
| TPM (Trusted Platform Module ) | Supported via AMD fTPM (1 x Hardware SPI_TPM header available on-board, specifically compatible with GC-TPM2.0 SPI V2 module) | |
| Internal I/O Ports | 1x 24-pin ATX main power, 1x 8-pin ATX 12V power, 1x CPU fan header, 1x CPU fan/water cooling pump header, 1x system fan header, 1x system fan/water cooling pump header, 2x Addressable RGB Gen2 LED strip headers, 1x RGB LED strip header, 2x M.2 Socket 3, 4x SATA 6Gb/s, 1x front panel header, 1x front panel audio header, 1x USB Type-C header, 1x USB 3.2 Gen 1 header, 2x USB 2.0/1.1 headers, 1x reset jumper, 1x Clear CMOS jumper | |
| Others | ||
| Bundled Software | GIGABYTE Control Center (GCC), Norton® Internet Security (OEM version), LAN bandwidth management software | |
| Wireless Communication module | Only applicable to the WIFI6 variant (Realtek® Wi-Fi 6 RTL8851BE + Bluetooth 5.3) | |
| Special feature | Q-Flash Plus Button (allows BIOS updates without installing CPU or RAM), RGB FUSION support, EZ-Latch PCIe x16 slot quick release, Smart Fan 6 control | |
| Warranty | ||
| Warranty | 3 Years | |
The Gigabyte B840M DS3H is a micro-ATX motherboard built for AMD’s AM5 socket, supporting Ryzen 9000, 8000, and 7000 series processors with AMD Radeon Graphics integration . It features four DDR5 DIMM sockets accommodating up to 256GB total memory, with standard speeds of 5200 MT/s and overclocking support up to 8200 MT/s via AMD EXPO and XMP . The board includes one PCIe 4.0 x16 slot for graphics, two M.2 PCIe 4.0 slots for NVMe SSDs, and four SATA 6Gb/s ports with RAID 0/1/5/10 support . Networking is handled by a 2.5GbE LAN port, while video outputs include one HDMI 2.1 (4K@60Hz) and two DisplayPort 1.4 connectors . Audio is provided through a Realtek HD codec supporting 7.1-channel sound. Cooling features include VRM and chipset heatsinks plus an M.2 thermal guard, and fan control uses Smart Fan 6. Gigabyte typically offers a 3-year warranty on motherboards in Bangladesh .
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