GIGABYTE B840M D2H AMD Ryzen 9000 Motherboard
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About This Item
- AMD B840 chipset for Ryzen 9000 CPUs
- 2x M.2 slots with PCIe 4.0/3.0 support
- Dual-channel DDR5 up to 7600 MHz
- Micro ATX form factor with passive cooling
- 7.1 audio with Realtek ALC897 codec
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GIGABYTE B840M D2H | AMD Ryzen 9000 Ready Micro-ATX Motherboard
The GIGABYTE B840M D2H is a micro-ATX motherboard designed for AMD Ryzen 9000 Series CPUs, offering robust performance with 5+2+2 phase VRM, dual DDR5 slots supporting up to 7600MHz, and versatile storage options including PCIe 4.0 and 3.0 M.2 slots.
Slim Specs Table
| Metric | Spec |
|---|---|
| CPU Support | AMD Ryzen 7000/8000/9000 Series |
| Memory | 2x DDR5, up to 128GB, 7600MHz |
| Storage | 2x M.2 (PCIe 4.0/3.0), 4x SATA III |
| Networking | 2.5GbE LAN |
| Form Factor | Micro-ATX |
Built for AMD Ryzen 9000 Performance
The B840M D2H features a 5+2+2 phase VRM design that delivers stable power delivery for demanding AMD Ryzen 9000 processors. This robust power architecture ensures consistent performance during intensive workloads, whether you’re gaming, content creation, or running professional applications. The micro-ATX form factor makes it ideal for compact builds without compromising on performance capabilities.
DDR5 Memory at 7600MHz
With dual-channel DDR5 support and speeds up to 7600MHz, this motherboard enables exceptional memory bandwidth for demanding applications. The 128GB maximum capacity provides ample room for multitasking and memory-intensive workloads. Whether you’re running virtual machines, editing 4K video, or gaming with high-resolution textures, the B840M D2H’s memory architecture delivers the performance you need.
Versatile Storage Solutions
The motherboard offers comprehensive storage flexibility with two M.2 slots supporting both PCIe 4.0 and 3.0 standards, plus four SATA III ports. This configuration allows for high-speed NVMe SSDs alongside traditional SATA drives, giving you the best of both worlds. The RAID 0, 1, and 10 support provides additional options for performance optimization or data redundancy, making this board suitable for both enthusiasts and professionals.
Enhanced Connectivity
Featuring 2.5GbE LAN with Realtek RTL8125 controller, the B840M D2H ensures fast and reliable network connectivity. The board includes USB 3.2 Gen 1 ports for high-speed data transfer, HDMI 2.1 for 4K display output, and comprehensive audio capabilities with 7.1 channel support. The Realtek ALC897 audio chip delivers clear sound quality for both gaming and media consumption.
Advanced Cooling and Monitoring
The B840M D2H includes comprehensive PC health monitoring for fan speeds, temperatures, voltages, and water cooling systems. With two CPU fan headers, one water pump connector, and three RGB LED headers, you have complete control over your system’s cooling and aesthetics. The passive cooling design helps maintain optimal temperatures while minimizing noise levels.
Box contents
- GIGABYTE B840M D2H motherboard
- I/O shield
- User manual
- Driver DVD
- SATA cables
- Screws included
Check before you buy
- Confirm your CPU is compatible with Socket AM5 (Ryzen 7000/8000/9000 Series)
- Verify your case supports micro-ATX form factor (244mm x 244mm)
- Check your power supply has the required 24-pin ATX and 8-pin EPS connectors
- Confirm your memory modules are DDR5 and support the desired speed
Frequently Asked Questions
Q: Does this motherboard support WiFi?
A: No, the B840M D2H does not include built-in WiFi. You’ll need a separate WiFi adapter if wireless connectivity is required.
Q: What is the maximum RAM speed supported?
A: The motherboard supports DDR5 memory up to 7600MHz, though actual speeds depend on your CPU and memory modules.
Q: Can I use this with older Ryzen processors?
A: No, this motherboard is designed specifically for AMD Ryzen 7000, 8000, and 9000 Series processors using the AM5 socket.
Q: How many graphics cards can I install?
A: The board has one PCIe x16 Gen 4 slot for a single graphics card, plus one PCIe x16 Gen 3 slot for additional expansion cards.
Q: What type of audio does it support?
A: The motherboard features Realtek ALC897 audio with 7.1 channel support for high-quality sound output.
The Consultant’s verdict & warranty
The GIGABYTE B840M D2H is an excellent choice for users building compact systems with AMD Ryzen 9000 Series processors who need robust power delivery, high-speed DDR5 memory, and versatile storage options. The micro-ATX form factor makes it perfect for space-conscious builds while still offering comprehensive features. Covered by the standard Manufacturer Warranty.
| Internal I/O | |
|---|---|
| Number of M.2 (M) slots | 2 |
| Front panel connector | Yes |
| Supported storage drive interfaces | M.2, PCI Express 4.0, SATA III |
| USB 2.0 connectors | 2 |
| USB 3.2 Gen 1 (3.1 Gen 1) connectors | 1 |
| TPM connector | Yes |
| Number of SATA III connectors | 4 |
| Number of chassis fan connectors | 1 |
| Front panel audio connector | Yes |
| EPS power connector (8-pin) | Yes |
| CPU fan connector | Yes |
| ATX Power connector (24-pin) | Yes |
| RGB LED pin header | Yes |
| Number of CPU fan connectors | 2 |
| Number of EPS power connectors (8-pin) | 1 |
| Number of water pump connectors | 1 |
| Number of RGB LED pin headers | 3 |
| Technical details | |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B840 |
| Supported processor sockets | Socket AM5 |
| PC health monitoring | Fan, Temperature, Voltage, Water cooling |
| Parallel processing technology support | Not supported |
| HDMI version | 2.1 |
| Cooling type | Passive |
| Motherboard form factor | micro ATX |
| Component for | PC |
| Warranty period | 3 year(s) |
| Audio | |
| Audio output channels | 7.1 channels |
| Performance | |
| Number of HDDs supported | 4 |
| Supported storage drive types | HDD & SSD |
| Windows operating systems supported | Windows 10 x64, Windows 11 x64 |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B840 |
| RAID levels | 0, 1, 10 |
| Supported processor sockets | Socket AM5 |
| PC health monitoring | Fan, Temperature, Voltage, Water cooling |
| Cooling type | Passive |
| Audio output channels | 7.1 channels |
| Motherboard form factor | micro ATX |
| Component for | PC |
| Processor | |
| Processor manufacturer | AMD |
| Compatible processor series | AMD Ryzen 7000 Series, AMD Ryzen 8000 Series, AMD Ryzen 9000 Series |
| Supported processor sockets | Socket AM5 |
| Processor socket | Socket AM5 |
| Memory | |
| Number of memory slots | 2 |
| Memory slots type | DIMM |
| Supported memory types | DDR5-SDRAM |
| Memory channels | Dual-channel |
| Supported memory clock speeds | 7600,7200,7000,6800,6666,6600,6400,6200,6000,5600,5200,4800,4400 MHz |
| Maximum internal memory | 128 GB |
| Unbuffered memory | Yes |
| Supported memory clock speed (max) | 7600 MHz |
| ECC сompatibility | Non-ECC |
| Maximum internal memory per slot | 64 GB |
| Storage controllers | |
| Number of HDDs supported | 4 |
| Supported storage drive types | HDD & SSD |
| Supported storage drive interfaces | M.2, PCI Express 4.0, SATA III |
| RAID levels | 0, 1, 10 |
| Number of storage drives supported | 6 |
| RAID support | Yes |
| Graphics | |
| Parallel processing technology support | Not supported |
| Maximum resolution | 4096 x 2160 pixels |
| HDCP | Yes |
| DirectX version | 12.0 |
| Rear panel I/O ports | |
| USB 3.2 Gen 1 (3.1 Gen 1) Type-A ports quantity | 2 |
| USB 2.0 ports quantity | 4 |
| PS/2 ports quantity | 1 |
| Microphone in | Yes |
| Headphone outputs | 1 |
| HDMI version | 2.1 |
| HDMI ports quantity | 1 |
| Ethernet LAN (RJ-45) ports | 1 |
| Line-in | Yes |
| Network | |
| Ethernet LAN | Yes |
| Wi-Fi | No |
| LAN controller | Realtek RTL8125 |
| Ethernet interface type | 2.5 Gigabit Ethernet |
| Features | |
| Power source type | ATX |
| Windows operating systems supported | Windows 10 x64, Windows 11 x64 |
| Motherboard chipset family | AMD |
| Motherboard chipset | AMD B840 |
| Supported processor sockets | Socket AM5 |
| PC health monitoring | Fan, Temperature, Voltage, Water cooling |
| Cooling type | Passive |
| Audio output channels | 7.1 channels |
| Motherboard form factor | micro ATX |
| Component for | PC |
| Audio chip | Realtek ALC897 |
| Product colour | Dark brown |
| Expansion slots | |
| Number of M.2 (M) slots | 2 |
| PCI Express x16 (Gen 3.x) slots | 1 |
| PCI Express x16 (Gen 4.x) slots | 1 |
| 1st M.2 largest key size | 2580 |
| 1st M.2 highest PCI Express generation | 4.0 |
| 2nd M.2 largest key size | 2280 |
| 2nd M.2 highest PCI Express generation | 3.0 |
| BIOS | |
| Battery technology | Lithium-Manganese Dioxide (LiMnO2) |
| BIOS type | UEFI AMI |
| Clear CMOS jumper | Yes |
| BIOS memory size | 256 Mbit |
| ACPI version | 5.0 |
| System Management BIOS (SMBIOS) version | 2.7 |
| Desktop Management Interface (DMI) version | 2.7 |
| Power | |
| Power source type | ATX |
| Video | |
| Maximum resolution | 4096 x 2160 pixels |
| HDCP | Yes |
| DirectX version | 12.0 |
| Packaging data | |
| Package width | 265 mm |
| Package depth | 265 mm |
| Package height | 54 mm |
| Package weight | 1.03 kg |
| Software | |
| Windows operating systems supported | Windows 10 x64, Windows 11 x64 |
| Bundled software | Norton® Internet Security (OEM version) LAN bandwidth management software |
| Battery | |
| Battery technology | Lithium-Manganese Dioxide (LiMnO2) |
| Battery weight | 3 g |
| Number of battery cells | 1 |
| Lithium weight per battery | 0.07 g |
| Battery type | CR2032 |
| Logistics data | |
| Products per shipping (inner) case | 1 pc(s) |
| Weight & dimensions | |
| Height | 35 mm |
| Package width | 265 mm |
| Package depth | 265 mm |
| Package height | 54 mm |
| Package weight | 1.03 kg |
| Weight | 940 g |
| Width | 244 mm |
| Depth | 244 mm |
| Packaging content | |
| Bundled software | Norton® Internet Security (OEM version) LAN bandwidth management software |
| Batteries included | Yes |
| Screws included | Yes |
| Other features | |
| Height | 35 mm |
| Package width | 265 mm |
| Package depth | 265 mm |
| Package height | 54 mm |
| Package weight | 1.03 kg |
| Weight | 940 g |
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