UltraScale+ FPGA PCIe Board with Liquid Cooling

Power Edition for Monster FPGA Loads

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BittWare’s XUP-VVP is an UltraScale+ VU13P FPGA-based PCIe card, designed for ultra high power applications. The Xilinx UltraScale+ VU13P FPGA gives designers incredible performance potential, with 3.8M logic elements —yet with a power density that makes power and thermal management difficult. The XUP-VVP meets this challenge with BittWare’s Viper platform, supporting monster FPGA loads, up to 256 GBytes DDR4 or 1152 Mbits QDR-II+, and 4x 100 Gbps Ethernet.

BittWare’s Viper platform uses advanced computer flow simulation to drive the physical board design in a thermals first approach, including the use of heat pipes, airflow channels, and arranging components to maximize the limited available airflow in a server. While the default option for the board is air-cooling, the XUP-VVP is also available with liquid cooling for rapid heat removal. A 300A FPGA core power supply powers even the largest FPGA loads.

Key Features

300A FPGA core power supply

Viper platform Liquid Cooling option for extreme FPGA loads

VU13P FPGA: 3.8 million LCs 360Mb UltraRAM

Block Diagram, Data Sheet and Specifications

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  • Virtex UltraScale+
    • VU13P D2104 package
    • Core speed grade - 2
  • Contact BittWare for VU9P/VU11P FPGA options

On-board Flash

  • Flash memory for booting FPGA

External memory

  • 2 DIMM sites, each supporting:
    • Up to 128 GBytes DDR4 x72 with ECC
    • Up to 576 Mbits dual QDR-II+ x18 (2 independent 288 Mbit banks)

Host interface

  • x16 Gen3 interface direct to FPGA (optional; no power used from PCIe connector)

USB ports

  • Micro USB: access to BMC, FPGA JTAG, and FPGA UART


  • Connects to a breakout board for 1 PPS input and 10MHz clock input

UltraPort SlimSAS

  • 2 UltraPort SlimSAS on rear edge connected to FPGA via 16x GTY transceivers
  • Provides 400Gbps board-to-board bandwidth
  • Can support an additional x16 or x8 PCIe interface (requires soft IP core and additional slot)

QSFP cages

  • 4 QSFP28 (zQSFP) cages on front panel connected directly to FPGA via 16 transceivers
  • Each supports 100GbE, 40GbE, 4x 25GbE, or 4x 10GbE and can be combined for 400GbE
  • Provides 400Gbps board-to-board bandwidth

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
  • Voltage overrides


  • Standard: double-width passive heatsink
  • Optional: double-width liquid cooling


  • On-board power derived from 12V PCIe slot & two AUX connectors (8-pin; both must be connected)
  • Power dissipation is application dependent
  • 300A FPGA core power supply


  • Operating temperature 5°C to 35°C

Form factor

  • 3/4-length, standard-height PCIe dual-slot board
  • 10 x 4.37 inches (254 x 111.15 mm)

Development Tools

System development

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

FPGA development

  • FPGA Examples - example Vivado projects
  • Xilinx Tools - Vivado® Design Suite

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