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  3. Server Components
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  5. ASRock Rack

  6. Item#: N82E16813140137

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    ASRock Rack EC266D4ID-2T/X550 Deep mini-ITX Server Motherboard

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    • Deep mini-ITX (6.7" x 8.2")
    • Supports Intel Xeon E-2400 series and Intel Pentium Gold G7400/G7400T processors
    • 4 DIMM slots (2DPC), supports DDR5 ECC UDIMM
    • 1 PCIe5.0 x16
    • 1 OCuLink (PCIe4.0 x4 or SATA 6Gb/s), 1 OCuLink (PCIe4.0 x4), 1 OCuLink (PCIe3.0 x4 or SATA 6Gb/s)
    • Supports 2 M.2 (PCIe4.0 x4)
    • 8 SATA 6Gb/s
    • 2 RJ45 (10GbE) by Intel X550
    • Supports ATX PSU or 12V DC-in
    • Remote Management (IPMI)
    View User Manual Details
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    Overview
    Specs
    Reviews (1)
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    CPU Support List
    Intel Xeon E-2488(B0) Raptor Lake-S 3.2GHz 24MB
    Intel Xeon E-2478(B0) Raptor Lake-S 2.8GHz 24MB
    Intel Xeon E-2456(B0) Raptor Lake-S 3.3GHz 18MB
    Intel Xeon E-2434(B0) Raptor Lake-S 3.4GHz 12MB
    Intel Pentium Gold G7400T(H0) Alder Lake-S 3.1GHz 6MB
    Intel Xeon E-2486(B0) Raptor Lake-S 3.5GHz 18MB
    Intel Xeon E-2468(B0) Raptor Lake-S 2.6GHz 24MB
    Intel Xeon E-2436(B0) Raptor Lake-S 2.9GHz 18MB
    Intel Xeon E-2414(B0) Raptor Lake-S 2.6GHz 12MB
    Intel Pentium Gold G7400(H0) Alder Lake-S 3.7GHz 6MB
    Memory QVL
    SMART SR6G7UD5385MB01 48GB DDR5 4800 RDIMM
    Micron MTC20C2085S1EC48BA1 32GB DDR5 4800 RDIMM
    Innodisk M5CV-AGS2LC0P-BJ02 16GB DDR5 4800 RDIMM
    Samsung M324R2GA3BB0-CQK0D 16GB DDR5 4800 RDIMM
    Hynix HMCG88AEBEA084N 32GB DDR5 4800 RDIMM
    Samsung M324R4GA3BB0-CQK0L 32GB DDR5 4800 RDIMM
    Kingston KSM48E40BS8KM-16HM 16GB DDR5 4800 RDIMM
    TPM QVL
    TPM SPI 13 pin SLB9672VU20 TPM-SPI/INFINEON*
    TPM SPI 13 pin SLB9670VQ2.0 TPM-SPI/INFINEON*

    Warranty & Returns

    Warranty, Returns, And Additional Information

    Warranty

    • Limited Warranty period (parts): 3 years
    • Limited Warranty period (labor): 3 years
    • Read full details

    Return Policies

      We want to ensure your holiday shopping this year is hassle-free. That’s why we’re automatically extending our return policies on almost every product! For purchases placed between November 1st, 2026 and December 31, 2026 you will have until January 31, 2027 to return your product.

    • Return for refund until: January 31, 2027
    • Return for replacement until: January 31, 2027
    • This item is covered by Newegg.com's Extended Holiday Return Policy.
    • Read full return policy for details.

    Manufacturer Contact Info

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    The ASRock Rack EC266D4ID-2T/X550 is a deep mini-ITX server motherboard for compact server and workstation builds using supported Intel Xeon E-2400 or Pentium Gold G7400-series processors, with DDR5 ECC UDIMM support, IPMI remote management, and dual 10GbE.

    Recommended For

    • Builders assembling a compact, single-socket Xeon server for virtualization or self-hosted services who want ECC UDIMM support and IPMI remote management.
    • Home-lab and small-business NAS builders who need multiple internal drive connections, ECC memory, and 10GbE links for fast storage access.
    • Network appliance or edge-server builders who need two onboard 10GbE ports and out-of-band IPMI management in a compact server-board layout.
    • Server builders fitting a system into a space designed for deep mini-ITX boards who can use a supported LGA1700 Xeon E or Pentium Gold processor.

    Spec Summary

    AttributeValue
    Best ForCompact server builds using one supported Intel Xeon E-2400 or Pentium Gold G7400-series processor, with ECC DDR5 memory
    Processor And PlatformSingle-processor LGA 1700 platform with Intel C266 chipset; supports Intel Xeon E-2400 series and Pentium Gold G7400/G7400T processors, with a listed 95W TDP
    Memory ConfigurationFour 288-pin DDR5 slots supporting DDR5-4400, up to 128GB, with ECC
    Expansion And StorageOne CPU-connected PCIe 5.0 x16 slot; two M-key M.2 PCIe 4.0 x4 sockets for 2280 drives; three OCuLink connectors, supporting PCIe 4.0 x4, PCIe 4.0 x4 or four SATA 6Gb/s, and PCIe 3.0 x4 or four SATA 6Gb/s
    NetworkingDual Intel X550 10GbE LAN with two RJ45 ports
    Graphics And Rear I/OAspeed AST2600 onboard video; rear I/O includes one D-Sub, two RJ45 LAN ports, and two USB 3.2 Gen 1 Type-A ports
    PowerSupports ATX PSU signaling via a Micro-Fit 4-pin connector with 24-pin adapter cable, or 12V DC-in through two 8-pin connectors; includes one 4-pin SATA power connector
    Headers And Board ManagementIncludes USB 3.2 Gen 1 header for two ports, COM, three 4-pin fan, SPI TPM, SGPIO, SMBus, PMBus, IPMB, NCSI, NMI, and clear-CMOS headers; auxiliary and system panel headers support chassis, fault, LAN activity, locate, power, reset, and drive-activity signals
    FirmwareAMI 256Mb SPI Flash ROM with Plug and Play, ACPI 6.4-and-above wake-event compliance, SMBIOS 2.8-and-above support, and ASRock Rack Instant Flash
    Form Factor And DimensionsDeep mini-ITX, measuring 6.7 × 8.2 inches
    Model IdentifiersASRock Rack EC266D4ID-2T/X550