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Green Mini-ITX server board with dual 10GbE RJ45 ports, single LGA 1700 socket, two DDR5 DIMM slots, PCIe 5.0 x16 slot

ASRock Rack

ASRock Rack EC266D2I-2T/AQC server motherboard

SKU CH-WWTC-1PEQM MPN EC266D2I-2T/AQC

Mini-ITX server board for Intel Xeon E-2400 processors with dual 10GbE LAN, DDR5 ECC memory, PCIe 5.0 x16 slot and IPMI management

  • CPU Socket TypeSingle Socket V1 (LGA 1700)
  • CPU TypeSupports Intel Xeon E-2400 series and Intel Pentium Gold G74
  • Number of Processor Support1
  • North BridgeIntel C266
  • Memory Slots2 DIMM slots (1DPC) Supports DDR5 288-pin ECC UDIMM
  • Memory StandardDDR5 4800
  • Supports Intel Xeon E-2400 series processors for server workloads
  • Dual 10GbE LAN ports via Marvell AQC113 controllers
  • DDR5 4800 ECC UDIMM memory up to 64GB capacity
  • PCIe 5.0 x16 slot plus OCuLink and M.2 expansion
  • Mini-ITX 6.7 inch form factor with IPMI management

Socket V1 Mini-ITX Server Board

The ASRock Rack EC266D2I-2T/AQC is a Mini-ITX server motherboard built around the Intel C266 chipset and a single Socket V1 (LGA 1700). It supports Intel Xeon E-2400 series and Intel Pentium Gold G7400/G7400T processors. The board provides two DDR5 288-pin ECC UDIMM slots with a maximum capacity of 64GB.

Suits Compact ECC Workloads, Not Multi-CPU Builds

This board fits builders who need ECC memory and dual 10GbE in a 6.7-inch square form factor. It is not for buyers who want more storage lanes than two OCuLink ports and one M.2 slot provide, or for systems that require multiple processor sockets. The single-slot design also limits PCIe expansion to one full-length card.

Build Around One x16 Card and DC or ATX Power

A PCIe 5.0 x16 slot connects directly to the CPU for a GPU, accelerator or high-speed NIC. Two OCuLink ports (PCIe 4.0 x4 and PCIe 3.0 x4, both switchable to SATA 6Gb/s) plus one M.2 2280 slot handle fast storage. Power enters through a 4-pin Micro-Fit connector with an ATX 24-pin adapter cable and an 8-pin 12V DC-in header. The ASPEED AST2600 BMC drives a dedicated IPMI LAN port and VGA output.

Highlights

  • Supports Intel Xeon E-2400 series processors for server workloads
  • Dual 10GbE LAN ports via Marvell AQC113 controllers
  • DDR5 4800 ECC UDIMM memory up to 64GB capacity
  • PCIe 5.0 x16 slot plus OCuLink and M.2 expansion
  • Mini-ITX 6.7 inch form factor with IPMI management

Specifications

BrandAsRock Rack
ModelEC266D2I-2T/AQC
CPU Socket TypeSingle Socket V1 (LGA 1700)
CPU TypeSupports Intel Xeon E-2400 series and Intel Pentium Gold G7400/G7400T processors
Number of Processor Support1
North BridgeIntel C266
Memory Slots2 DIMM slots (1DPC)
Supports DDR5 288-pin ECC UDIMM
Memory StandardDDR5 4800
Maximum Memory Supported64GB
ECC SupportedYes
PCI Express 5.0 x16SLOT7: PCIe5.0 x16 [CPU]
Other SlotsTPM support: 1 (13-pin, SPI)
1 x OCuLink (PCIe4.0 x4 or SATA 6Gb/s) [PCH]
1 x OCuLink (PCIe3.0 x4 or SATA 6Gb/s) [PCH]
M.21 M-key (PCIe4.0 x4); support 2280 form factor [CPU]
Onboard Video ChipsetASPEED AST2600: 1 DB15 (VGA)
LAN ChipsetAdditional GbE Controller: 2 RJ45 (10GbE) by Marvell AQC113
IPMI Dedicated GLAN: 1 RJ45 Dedicated IPMI LAN port by Realtek RTL8211F
LAN Speed10Gbps
Max LAN Speed10Gbps
Back I/O PortsUID Button/LED: 1 UID button, 1 UID LED
VGA Port: 1 DB15 (VGA)
USB 3.2 Gen1 Port: 2 Type A (USB3.2 Gen1)
RJ45: 2 RJ45(10GbE), 1 dedicated IPMI
Other ConnectorsPower Connector: 1 Micro-Fit (4-pin, ATX PSU signal) w/ ATX 24-pin adapter cable, 1 (8-pin, ATX 12V) support 12V DC-in
Other Power Connectors: 1 ATX (4-pin) for HDD power when using 12V DC-in power source
Auxiliary Panel Header: 1 (9-pin): chassis intrusion, system fault LED, LAN activity LED
System Panel: 1 (9-pin): power switch, reset switch, system power LED, HDD activity LED
COM Header: 1(9-pin)
Fan Header: 3 (4-pin)
Thermal Sensor Header: 1
TPM Header: 1 (13-pin, SPI)
SGPIO Header: 1
SMBus header: 1
PMBus header: 1
IPMB Header: 1
Clear CMOS: 1 (contact pads)
Others: 1 NCSI heade
FeaturesHardware Monitor
Temperature: CPU, MB, Card side, M.2, TR1 Temperature sensing
Fan: Fan Tachometer
CPU Quiet Fan (Allow Chassis Fan Speed Auto-Adjust by CPU Temperature)
Fan Multi-Speed Control
Voltage: 3VSB, 5VSB, CPU_VCORE, VCCIN_AUX,VDD2, 1.05V_PCH, 0V82SB_PCH, 1V8SB, BAT, 3V, 5V, 12V, 1.05V_PROC, 1.8V_PROC
OS
icrosoft Windows
- Server 2022 (64 bit)
Linux
- Red Hat Enterprise Linux Server 8.5 ( 64 bit) / 8.7 ( 64 bit) / 9.2 ( 64 bit)
- CentOs 8.5 ( 64 bit)
- SUSE Enterprise Linux Server 15 SP3 ( 64 bit) / 15 SP5 ( 64 bit)
- Ubuntu 20.10 (64 bit) / 21.04 (64 bit) / 22.04.2 ( 64 bit
Form FactorMini ITX
Dimensions (W x L)6.7" x 6.7"
Shipping weight0.91 kg
Package size170 × 170 × 51 mm

Questions about this item

Do I need DDR5 ECC UDIMM modules to populate the two 288-pin slots on this board?

Yes, the board accepts only DDR5 4800 ECC UDIMMs up to 64 GB total across its two DIMM slots.

Will my existing SATA drives connect to the two OCuLink ports that also support SATA 6Gb/s?

Each OCuLink port can operate in SATA 6Gb/s mode, so standard SATA SSDs or HDDs will work with the appropriate cables.

How can I verify the dual 10 GbE ports and the dedicated IPMI LAN are active after assembly?

Check link LEDs on the two Marvell AQC113 RJ45 ports and the Realtek RTL8211F IPMI port, then confirm both 10 GbE interfaces appear in the OS and the IPMI web UI responds.

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