Key Features

  • GPU/Phi form factor (3/4 length) – dual slot standard configuration with Active and Passive cooling options
  • 16-lane PCIe Gen 3.0
  • (1) Intel Stratix 10 FPGA
    • GX2800 F1760 NF43
    • Choice of -1 or -2 SERDES and FPGA fabric speed grades
  • (4) banks of 8GB DDR4 SDRAM @ 2400MTPS
  • On-board USB hub for system control and monitoring
  • Board Support Packages (BSP) for Intel OpenCL SDK
  • FPGA Configuration Functions (JTAG, Remote Flash Update, Reconfiguration, Fallback Mechanism, etc.)
  • On-board System Manager (USB and FPGA access)
  • USB-Blaster II for Intel FPGA JTAG tools
  • Board Health Monitoring (Temperatures, Power, Voltages, etc.)
  • Unique Board Data in PROM


The BittWare 520C Compute Acceleration Card is an FPGA co-processor designed to deliver ultimate performance per watt for compute-intensive datacenter applications.

Designed to address a range of compute-intensive and latency-critical applications:

  • Machine Learning
  • Gene Sequencing
  • Oil & Gas
  • Real-time Network Analytics

Board Specifications

Form Factor

  • Full-height, double-width PCI Express card
  • 4.376 x 10.5 inches (111 x 266.7 mm)

Host Interface

  • 16-lane PCI-Express Gen 3.0
  • Actual performance is host computer chipset and operating system dependent


  • Intel Stratix 10 F1760 NF43 package
  • Default configuration: GX2800
  • Core speed grade -2, I/O speed grade -2
  • Contact Nallatech for other FPGA options


  • Four banks of DDR4 SDRAM x 72 bits
  • 8GB per bank (32GB total / 64GB version also available)
  • 2400MT/s per bank (9600MT/s total)

Application Development

  • Supports multiple design flows including Intel FPGA OpenCL SDK and HDL


  • On-card power derived from 12V PCIe slot and two AUX connectors (one 8-pin, one 6-pin)
  • Power dissipation is application dependent
  • Typical power consumption ~225W
  • Card designed to deliver up to 300W power consumption


  • Manufactured to ISO9001:2008 IPC-A-610-Class III
  • RoHS compliant

Power Supply Monitoring & Reporting

  • On-board Intel USB Blaster
  • Power and temperature monitoring
  • Fault condition reporting to FPGA

Four 100/40/25/10G QSFP28 Network Ports

  • L-TILE: Support up to two 100G network ports
  • H-TILE: Supports up to four 100G network ports
  • Please contact Nallatech for details
  • Flexible low jitter clocking supporting multiple telecoms standards
  • 100/40/25/10G
  • Each QSFP28 can be independently clocked
  • Network recovered clocking supported
  • Clocking options user programmable
  • 1PPS input (optional)

PCI Backplate

  • USB for programming, debug and monitoring
  • User programmable tri-color LEDs


  • Standard: double-width active heatsink (embedded fan)
  • Optional: double-width passive heatsink


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


  • 520C FPGA card
  • USB cable (front panel access)
  • Built-In-Self-Test (BIST)
  • OpenCL “HPC” Board Support Package (BSP)*
  • 1 year access to online support lounge
  • 1 year hardware warranty


Technical specifications (e.g. FPGA type, size, external memory capacity etc.) can be modified to meet the exact needs of commercial customer applications as off-the-shelf product available to the general market

Integrated servers

BittWare accelerator cards are available pre-integrated in server platforms from leading vendors

Application optimization

BittWare provides consultancy services assisting customers in the porting, optimization and benchmarking of applications executed on BittWare FPGA accelerators