Overview
The ASRock Rack B650D4U is a Micro-ATX server motherboard designed for compatible AMD EPYC 4004/4005 and AMD Ryzen 7000, 8000, and 9000 Series processors. Featuring the AMD B650E chipset, DDR5 ECC and non-ECC UDIMM memory support, PCIe 5.0 expansion, dual M.2 storage slots, and IPMI remote management, it is suitable for server and professional computing environments.
Key Features
- AMD B650E chipset with AM5 processor socket
- Supports compatible AMD EPYC 4004/4005 and Ryzen 7000, 8000, and 9000 Series processors
- Four DDR5 ECC/non-ECC UDIMM memory slots
- Supports up to 192GB memory with compatible 48GB DIMMs
- PCIe 5.0 x16 and PCIe 5.0 x4 expansion slots
- One PCIe 4.0 x1 expansion slot
- Two M.2 slots: PCIe 5.0 x4 and PCIe 4.0 x4
- Four SATA 6Gb/s storage ports
- Dual Intel Gigabit Ethernet ports
- Dedicated IPMI management LAN and ASPEED AST2600 BMC
- HDMI, DisplayPort, and VGA video connectivity
- Micro-ATX form factor for compatible server and desktop chassis
Technical Specifications
| Brand Name | ASRock Rack B650D4U |
| Manufacturer | ASRock Rack |
| Model | B650D4U |
| Part Number | B650D4U |
| Product Type | Server Motherboard |
| Chipset | AMD B650E |
| CPU Socket | AM5 (LGA 1718) |
| Form Factor | Micro-ATX |
| Memory Type | DDR5 ECC/non-ECC UDIMM |
| Memory Slots | 4 |
| Maximum Memory | Up to 192GB with supported 48GB DIMMs |
| Memory Speed | Up to 5600MHz (1DPC), configuration dependent |
| PCIe Expansion | 1 x PCIe 5.0 x16, 1 x PCIe 5.0 x4, 1 x PCIe 4.0 x1 |
| M.2 Slots | 2 |
| SATA Ports | 4 x SATA 6Gb/s |
| Networking | 2 x Gigabit Ethernet |
| Remote Management | IPMI with ASPEED AST2600 BMC |
| Video Outputs | VGA, HDMI, DisplayPort |
| Dimensions (L x W) | 9.6 x 9.6 inches (24.4 x 24.4 cm) |
Compatibility and Installation
Use a supported AM5 AMD EPYC 4004/4005 or Ryzen 7000, 8000, or 9000 Series processor and compatible DDR5 UDIMM memory. Confirm processor and BIOS compatibility before installation. Select a Micro-ATX-compatible chassis and verify cooling, power supply, memory, and storage requirements for the intended server configuration.
Why Choose DC Supplies?
DC Supplies provides product information to help customers identify server hardware and computer components for professional IT environments. Verify the required specifications and compatibility before ordering.
Frequently Asked Questions
1. Which processors does the B650D4U support?
It supports compatible AMD EPYC 4004/4005 and Ryzen 7000, 8000, and 9000 Series processors.
2. What memory does this motherboard use?
It uses DDR5 ECC or non-ECC unbuffered DIMMs in four memory slots.
3. Does it support remote server management?
Yes. It includes an ASPEED AST2600 BMC and dedicated IPMI management networking.
4. How many M.2 slots are available?
It has two M.2 slots, one supporting PCIe 5.0 x4 and the other PCIe 4.0 x4.
5. What is the motherboard form factor?
It uses a 9.6 x 9.6-inch Micro-ATX form factor.
6. Where can I find official specifications?
Visit the official ASRock Rack B650D4U product page for technical specifications, manuals, and compatibility information.
