Block Diagram

Board Specifications


  • Xilinx Kintex UltraScale+
    • KU15P in an FFVA1156 package
    • Core speed grade – 2
  • Contact BittWare for KU11P FPGA option

On-board DDR4 SDRAM

  • One bank of DDR4 SDRAM x 72 bits
  • 8GB bank (16GB version also available)
  • Transfer Rate: 2400 MT/s

Host interface

  • U.2 Connector
  • Compliant to SFF-8639

Datacenter deployment

  • On-board NVMe compliant SMBUs controller (Spec. 1.0a)
  • Field flash update via software or SMBus
  • SMBus FPGA flash control: anti-bricking, fallback, and multiboot
  • SMBus access to unique board data and temperature sensor

Back panel features

  • User LEDs accessible
  • Reset switch to restore factory settings

Development features (behind back panel)

  • JTAG connector for access to the FPGA, flash, and debug tools
  • GPIO connector
  • MicroSD connector

Power supply monitoring & reporting

  • Voltage monitoring
  • Temperature monitoring
  • Fault condition reporting to FPGA


  • U.2 drive case optimized for cooling with passive heatsink


  • Hot swapping tolerant
  • On-card power derived from U.2 supplies
  • Power dissipation is application dependent
  • Typical FPGA power consumption ~20W
  • Card designed to deliver up to 25W power consumption


  • Operating temperature: 5°C to 35°C
  • Cooling: air convection

Form factor

  • U.2 compliant 2.5” Drive Form Factor
  • Height: 15mm

Development Tools

FPGA development

  • BIST – Built-In Self-Test for CentOS 7 provided with source code (pinout, gateware, PCIe driver and host test application)

Application development

  • Xilinx Tools – Vivado Design Suite HLx Editions: HDL and C/C++ with HLS


  • 250-U2 FPGA board
  • Built-In Self-Test (BIST)
  • Eideticom NoLoad pre-installed (optional)
  • 1-year access to online Developer Site
  • 1-year hardware warranty
  • Contact BittWare for extended warranty and support options