ASRock Rack
ASRock Rack B650D4U3-2L2Q/BCM server motherboard
Micro-ATX server board for AMD EPYC 4004/4005 and Ryzen 9000/8000/7000 CPUs, four DDR5 ECC slots up to 192 GB, one PCIe 5.0 x16, one M.2 5.0 x4, dual 25 GbE SFP28 plus dual 1 GbE
- CPU TypeSupports AMD EPYC 4004 and AMD Ryzen 9000/8000/7000 Series P
- Number of Processor Support1
- CPU FeaturesThermal Design Power Up to 170W by proper cooling solution
- North BridgeAMD B650E
- Memory Slots4 x DDR5 288-pin
- Memory StandardDDR5 5600
- Supports AMD EPYC 4004 and Ryzen 9000/8000/7000 processors for flexible compute choices
- Four DDR5 slots with ECC support deliver up to 192GB reliable memory capacity
- Dual 25GbE SFP28 ports via Broadcom BCM57502 enable high-speed server networking
- PCIe 5.0 x16 and PCIe 5.0 M.2 provide fast expansion for GPUs and storage
- Micro-ATX 9.6" form factor fits dense chassis while retaining full server features
Micro-ATX EPYC and Ryzen server board
The ASRock Rack B650D4U3-2L2Q/BCM is a Micro-ATX server motherboard built for AMD EPYC 4004, 4005 and Ryzen 9000, 8000, 7000 series processors. It fits single-socket systems that need ECC memory and high-speed networking in a compact footprint.
Suits single-CPU servers needing 25GbE and ECC
Builders assembling storage nodes, edge appliances or virtualisation hosts with one processor will match the board's feature set. Buyers who want more storage than four SATA ports provide, or who need multi-processor scaling, should look at something else.
Dual 25GbE SFP28 decides the network fit
Onboard Broadcom BCM57502 gives two 25Gbps SFP28 links plus two 1Gbps RJ45 ports from an Intel I210 controller. If the deployment requires fibre uplinks at 25GbE this board matches; otherwise a 1GbE-only board covers the same basics.
Ciri-ciri utama
- Supports AMD EPYC 4004 and Ryzen 9000/8000/7000 processors for flexible compute choices
- Four DDR5 slots with ECC support deliver up to 192GB reliable memory capacity
- Dual 25GbE SFP28 ports via Broadcom BCM57502 enable high-speed server networking
- PCIe 5.0 x16 and PCIe 5.0 M.2 provide fast expansion for GPUs and storage
- Micro-ATX 9.6" form factor fits dense chassis while retaining full server features
Spesifikasi
| Brand | AsRock Rack |
|---|---|
| Model | B650D4U3-2L2Q/BCM |
| CPU Type | Supports AMD EPYC 4004 and AMD Ryzen 9000/8000/7000 Series Processors |
| Number of Processor Support | 1 |
| CPU Features | Thermal Design Power Up to 170W by proper cooling solution |
| North Bridge | AMD B650E |
| Memory Slots | 4 x DDR5 288-pin |
| Memory Standard | DDR5 5600 |
| Maximum Memory Supported | 192GB |
| ECC Supported | Yes |
| PCI Express 5.0 x16 | SLOT6: PCIe5.0 x16 [CPU] |
| PCI Express x4 | SLOT4: PCIe4.0 x4 [FCH] |
| PCI Express x1 | SLOT7: PCIe4.0 x1 [FCH] |
| M.2 | M2_1 (PCIe5.0 x4), supports 2280/2242 form factor [CPU] |
| Onboard Video Chipset | Aspeed AST2600 |
| LAN Chipset | Broadcom BCM57502 |
| LAN Speed | 25Gbps |
| Second LAN Chipset | Intel I210 |
| Second LAN Speed | 10/100/1000Mbps |
| Max LAN Speed | 2 x 25Gbps + 2 x 1Gbps |
| Back I/O Ports | 1 x COM (Serial Port) / 1 x D-Sub / 1 x HDMI / 2 x LAN (RJ45) / 2 x SFP28 / 4 x USB 3.2 Gen 1 Type-A |
| Onboard USB | USB 3.2 (Gen1) Header: 1 (19-pin, 2 USB3.2 Gen1) USB 2.0 Header: 1 (9-pin, 2 USB2.0) |
| Other Connectors | Power Connector: 1 (24-pin, ATX main power), 2 (8-pin, ATX 12V) Auxiliary Panel Header: 1 (18-pin): chassis intrusion, system fault LED, LAN activity LED System Panel: 1 (9-pin): power switch, reset switch, system power LED, HDD activity LED VGA header: 1 Speaker Header: 1 Buzzer: 1 Fan Header: 7 (6pin) co-lay 7 (4-pin) TPM Header: 1 (13-pin, SPI) SMBus header: 1 PMBus header: 1 IPMB Header: 1 Clear CMOS: 1 Others: 1 (3-pin, 80 debug port header) Front Lan LED Connector: 1 |
| BIOS Feature | AMI UEFI BIOS; 256Mb (32MB) SPI Flash ROM Plug and Play, ACPI 6.4 compliance wake up events, SMBIOS 3.5 |
| Form Factor | Deep Micro-ATX |
| Dimensions (W x L) | 9.6" x 9.6" |
| Berat penghantaran | 1.16 kg |
| Dimensi bungkusan | 305 × 279 × 76 mm |
Soalan tentang produk ini
How do I install the AMD EPYC 4004 or Ryzen processor into the SP5 socket, and what step is most often missed?
Align the triangle on the CPU with the socket corner, lower the retention frame, then torque the captive screws in a cross pattern to the specified pressure; the step most often missed is applying the correct mounting pressure for the 170W TDP cooler bracket.
What maintenance or replacement will the DDR5 ECC UDIMM memory need over time?
The four 288-pin slots support up to 192GB of DDR5 5600 ECC UDIMM; modules only need replacement if a correctable error count exceeds the platform threshold or a DIMM fails POST, otherwise no scheduled swap is required.
What thermal limit appears first when the 25GbE Broadcom BCM57502 SFP28 ports run sustained line-rate traffic?
The SFP28 transceiver modules typically hit their case-temperature threshold before the Broadcom BCM57502 controller does, so adequate chassis airflow over the cage assemblies is the first practical limit.
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