Arria 10 FPGA Low-Profile PCIe Card

QSFP28 and DDR4

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BittWare’s A10SA4 is a low-profile PCIe x8 card based on the Intel Arria 10 GX FPGA. Designed specifically to support large FPGA loads, the board offers an FPGA with up to 1150K logic elements, optional 10/40GbE high-speed networking, and up to 16GBytes DDR4 SDRAM – all of which make it ideal for server-based applications. OpenCL support enables a high-level software-like development flow, which greatly simplifies FPGA development.  

The A10SA4 is designed with BittWare’s Spider platform, which is a low-profile PCIe platform optimized for thermal performance. The Spider platform combines a low-profile PCIe form-factor for high density, the ability to run larger loads, and a robust passive heatsink option designed for servers.

Key Features

Intel Arria 10 GX 1150

QSFP28 for 10/40 Gbps



Learn more about the A10SA4 card's key features.

Block Diagram, Data Sheet and Specifications

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  • Intel Arria® 10 GX115 FPGA
  • Up to 1150K logic elements available
  • Up to 3,300 18x19 variable-precision multipliers
  • High-performance, multi-gigabit transceivers @ up to 17 Gbps

On-Board Memory

  • Two banks DDR4 with ECC, up to 8 GBytes (x72) each
  • Flash with support for multiple boot images
  • PROM for access to the board’s MAC ID

PCIe Interface

  • x8 Gen1, Gen2, Gen3
  • x16 mechanical interface


  • USB 2.0 interface for debug and programming FPGA and Flash
  • Built-in Intel USB-Blaster


  • Optional QSFP cage on front panel, supporting 40GbE or 4x 10GbE
  • Can be optionally adapted for use as SFP+

Board Management Controller

  • Voltage, current, temperature monitoring
  • Power sequencing and reset
  • Field upgrades
  • FPGA configuration and control
  • Clock configuration
  • I2C bus access
  • USB 2.0 and JTAG access
  • Voltage overrides


  • Low profile (Half-height, half-length) PCIe slot card; x16 mechanical
  • 168mm x 68.9mm
  • Max. component height: 14.47mm

Development Tools

System Development

  • BittWorks II Toolkit - host, command, and debug tools for BittWare hardware

FPGA HDL Development

    • FPGA Development Kit - Example Quartus projects
    • Intel tools - Quartus II software

OpenCL Development

    • OpenCL Developer’s Bundle - BittWorks II Toolkit, Board Support Packages, Intel SDK for OpenCL, Intel Quartus II

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