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Green Micro-ATX server board, dual 10GbE RJ45 rear ports

ASRock Rack

ASRock Rack B550D4U-2T server motherboard dual 10GbE

SKU CH-NTET-FB20J MPN B550D4U-2T

Micro-ATX server board with dual 10GbE, four DDR4 ECC slots, PCIe 4.0 expansion and IPMI management

  • CPU Socket TypeSocket AM4
  • CPU TypeSupports AMD Ryzen 5000 G-Series Desktop Processors with Rad
  • Number of DDR4 Slots4 x 288-pin
  • DDR4 StandardDDR4 3200
  • ECC SupportedYes
  • PCI Express 4.0 x16SLOT6: Latch PCIe4.0 x16 [CPU]
  • Supports AMD Ryzen 5000 series processors on Socket AM4
  • Dual 10 GbE ports via Intel X710-AT2 controller
  • Four DDR4 3200 slots with ECC support
  • PCIe 4.0 x16 and x4 expansion slots
  • Micro-ATX 9.6 x 9.6 inch form factor

Micro-ATX server board for AMD Ryzen

The ASRock Rack B550D4U-2T is a micro-ATX motherboard built for single-socket AMD Ryzen processors. It fits 9.6 by 9.6 inch chassis and targets compact servers that need dual 10GbE networking. The board accepts Ryzen 5000, 4000 G-Series and supported 3000 series desktop CPUs in Socket AM4.

Four DDR4 slots with ECC and IPMI

Four 288-pin DDR4 slots run at 3200 and support ECC or non-ECC UDIMM modules. An Aspeed AST2500 controller provides dedicated IPMI management over its own LAN port. Rear I/O includes HDMI, VGA, two USB 3.2 Gen1 Type-A ports, two 10GbE RJ45 ports and a serial header for console access.

Dual 10GbE via Intel X710-AT2

The defining feature is two RJ45 ports driven by an Intel X710-AT2 controller delivering 10Gbps Ethernet. This gives the board high-throughput networking without add-in cards. Builders who need more than two 10GbE links or a different network controller should look elsewhere.

Points forts

  • Supports AMD Ryzen 5000 series processors on Socket AM4
  • Dual 10 GbE ports via Intel X710-AT2 controller
  • Four DDR4 3200 slots with ECC support
  • PCIe 4.0 x16 and x4 expansion slots
  • Micro-ATX 9.6 x 9.6 inch form factor

Caractéristiques

BrandAsRock Rack
ModelB550D4U-2T
CPU Socket TypeSocket AM4
CPU TypeSupports AMD Ryzen 5000 G-Series Desktop Processors with Radeon Graphics
Supports AMD Ryzen 5000 Series Desktop Processors
Supports AMD Ryzen 4000 G-Series Desktop Processors with Radeon Graphics
Supports AMD Ryzen PRO 5000, 4000 and 3000 Series* Desktop Processors
Supports 3rd Gen AMD Ryzen Desktop Processors
* Not compatible with AMD Ryzen 3000 series processors with Radeon Graphics
Number of DDR4 Slots4 x 288-pin
DDR4 StandardDDR4 3200
ECC SupportedYes
PCI Express 4.0 x16SLOT6: Latch PCIe4.0 x16 [CPU]
PCI Express x8SLOT4: PCIe4.0 x4 [CPU]
SATA6 x SATA 6.0Gb/s
SATA RAID0/1/10
M.21 M-key (PCIe3.0 x4 or SATA 6Gb/s), supports 22110/2280/2260/2242 form factor [FCH]
Onboard Video ChipsetAspeed AST2500
LAN Chipset1 Intel X710-AT2: 2 RJ45 (10GbE)
Max LAN Speed10Gbps
Back I/O PortsHDMI: 1
VGA Port: 1 DB15
USB 3.2 Gen1 Port: 2 Type-A (USB3.2 Gen1)
Lan Port: 2 RJ45 (10GbE)
Dedicate LAN: 1 dedicated IPMI
Serial Port: 1 DB9
UID Button/UID LED: 1 button w/ LED
Other ConnectorsAuxiliary Panel Header: 1 (19-pin): chassis intrusion, system fault LED, LAN activity LED
TPM Header: 1 (17-pin, LPC), 1 (13-pin, SPI)
Thermal Sensor Header: 1
IPMB Header: 1
VGA Header: 1
PMBus CONN: 1
Buzzer: 1
Fan Header: 4 (6-pin), 2 (4-pin)
USB 3.2 (Gen1) Header: 1 (19-pin, 2 USB3.2 Gen1)
System Panel: 1 (9-pin): power switch, reset switch, system power LED, HDD activity LED
Speaker Header: 1 (4-pin)
BMC_SMB Header: 1
Power Connector: 1 (24-pin, ATX main power), 1 (8-pin, ATX 12V)
Clear CMOS: 1 (contact pads)
Form FactorMicro ATX
Dimensions (W x L)9.6" x 9.6"
Poids d’expédition0.91 kg
Dimensions du colis277 × 216 × 79 mm

Questions sur cet article

What practical throughput does the dual 10GbE Intel X710-AT2 controller deliver?

The Intel X710-AT2 provides two RJ45 ports each rated at 10Gbps, giving up to 10 Gbps per link for server or storage traffic.

What chassis clearance and mounting pattern does the 9.6" x 9.6" Micro-ATX board require?

The board fits any Micro-ATX or ATX case with standard 9.6-inch square mounting holes and sufficient height for the I/O shield and full-height expansion cards.

How is the Aspeed AST2500 IPMI configured on first boot, and what step is often missed?

Connect the dedicated IPMI LAN port, set a static IP in the BMC BIOS, then enable KVM-over-IP; forgetting to tag the IPMI VLAN or leaving the default password unchanged are common oversights.

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