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XpressSX AGI-FH400G


Agilex™ I-Series SoC Full Height, Half Length PCIe Board

The XpressSX AGI-FH400G Agilex™ I-Series SoC PCIe board from REFLEX CES is a full height, half length PCIe Network Processing board designed around the Agilex™ I-Series SoC FPGA and offers 400Gb Ethernet capability.

This Intel® Agilex™ board is based on an Intel® Agilex™ I-series SoC FPGA. Agilex™ delivers 2x better fabric performance per watt. Intel® Agilex™I-Series SoC FPGA devices also integrate the quad-core ARM Cortex-A53 processor to provide high system integration.

The board is optimised for bandwidth-intensive applications which require a high-performance processor interface, and require 400 Gb Ethernet, PCIe Gen5 x16 (CXL™ compatible), HSI connectors (offering transceivers for the PCI Express), power supplies, USB 2.0 port (for JTAG, UART, BMC), high-speed transceivers, DDR4 (on-board and SO-DIMM) interfaces and more.

This Agilex™ FPGA board is delivered with a 2-slot PCIe active heatsink and is full height, half length, 2-slot PCI Express form factor, specially designed to fit into various servers and chassis available on the market, and custom rack systems for embedded applications.



  • Intel® Agilex™ I-Series SoC FPGA
  • Quad Core ARM® Cortex® A53
  • 2700 KLE
  • PCIe Gen5 x16, CXL™ standard
  • 400GbE (8 x 56 Gbps)
  • 3x independent DDR4 banks
  • 4x HSI connectors (PCIe Gen5 x16 EP/RC)


The most significant advantage of the Intel® Agilex™ board is the 400 Gigabit Ethernet capability, specially designed for SmartNIC applications.


FPGA Configuration

  • Intel® Agilex™ I-Series : AGIB027R29A1E2V
  • Including SoC (Quad Core ARM® Cortex® A53)
  • Flash configuration
  • USB 2.0 Hub for JTAG, UART, BMC, USB2


  • 1x on-board DDR4 (mutual SoC / FPGA), x64 bit bus, 4GBytes up to 2666 MT/s
  • 2x DDR4 SO-DIMM sockets, each capable up to 32GBytes SO-DIMM
  • eMMC or SD Card holder (if used) for SoC


  • 200W max, delivered with 2-slot active heatsink
  • Powered by the PCIe slot and an 8 pin PCIe Aux ATX external connector (additional power)

Board dimensions: Full height half length: 167.7mm x 111.15mm

Operating range: 0°C to 35°C
Storage range: 0°C to 70°C

Communication interfaces

  • PCIe Edge Gen5 x16
  • CXL™ standard compatible:
    • Open standard interconnection for high-speed CPU-to-device and CPU-to-memory
    • Built on the PCIe physical and electrical interface
  • 1x QSFP-DD (8x 56G: 400G total, 400GAUI-8)
  • 2x HSI connectors (ARF6-16-L-RA): Total of 16 transceivers for PCIe Gen5 EP/RC, CXL™ standard compatible
  • 2x HSI connectors (ARF6-16-L-RA): Total of 16 transceivers for PCIe Gen5 EP/RC
  • 2x USB-C connectors for HSI Clocks & control signals

Other resources

  • Board Management Controller (MAX®10 device)
  • Programmable PLL

Standards and compliance

  • RoHS/REACH compliant
  • UL certified
  • ISO9001 certified

Ordering information

The Intel® Agilex™ board is RoHS and REACH compliant.


  • Full height half length 2-slot PCIe board with active heatsink and PCIe bracket
  • Board Support Package: Manuals, HDL reference designs (PCIe Gen5 RC/CXL not tested), 2D drawing
  • DWF/STEP models (upon request)
  • Online support at

Ordering Information

  • XpressSXAGI-FH400GT-ES //  Intel® Agilex™ SoC I-Series ES Silicon (AGIB027R29A1E2VR0), 3 banks DDR4
  • XpressSXAGI-FH400GT // Intel® Agilex™ SoC I-Series (AGIB027R29A1E2V), 3 banks DDR4

Contact Sales for availability and pricing or request a quote via this website.