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Xilinx UltraScale+ VU13P FPGA 3/4-Length PCIe Board with Quad QSFP and 512 GBytes DDR4 on BittWare Viper Platform

The XUPVV4 from BittWare is an UltraScale+ VU13P FPGA-based PCIe card, ideal for high performance computing and high-density datacentre applications.

Based on the Xilinx UltraScale+ VU13P, this FPGA gives designers incredible performance potential with 3.8M logic elements, and a power density that creates a thermal management issue. The XUPVV4 meets this challenge with BittWare’s Viper platform, supporting large FPGA loads, up to 512 GBytes DDR4, and 4x 100 Gbps Ethernet.

Viper Platform and Lidless Package
BittWare’s Viper platform uses advanced computer flow simulation to drive the physical board design in a thermals first approach, making use of heat pipes, airflow channels, and arranging components to maximise the limited available airflow in a server.

Viper boards are passive as standard, but active cooling is also available. The XUPVV4 features the D2104 lidless package from Xilinx, which allows the heat pipes to contact the die directly instead of through the heat spreader lid.


  • Xilinx Virtex UltraScale+ VU13P
  • PCIe x16 interface supporting Gen1, Gen2, or Gen3
  • Four QSFP cages for 4x 40/100GbE or 16x 10/25GbE
  • Up to 512 GBytes DDR4
  • UltraPort SlimSAS™ for serial expansion
  • Board Management Controller for Intelligent Platform Management
  • FPGA examples and complete software support


Board Specifications

  • Virtex UltraScale+ VU13P
  • 48x GTY transceivers at 32.75 Gbps
  • Up to 3.8 million logic elements
  • Over 400 Mb of embedded memory
  • Up to 6 integrated PCIe cores
  • Up to 11,904 DSP slices with 27x18 multipliers

On-Board Memory
  • Flash memory for booting FPGA

Optional DIMM Memory
  • 4 DIMM sites, each supporting:
    • Up to 128 GBytes DDR4 x72 with ECC
    • Up to 576 Mbits dual QDR-II+ x18

PCIe Interface
  • x16 Gen1, Gen2, Gen3 interface direct to FPGA

Utility Header
  • USB, 1 PPS input, 1GbE

UltraPort SlimSAS
  • Standard high-speed connector for storage devices
  • Connected to FPGA via 8x transceivers
  • OpenCAPI compatible
  • Can support an additional x16 or x8 PCIe interface (requires second 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

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

  • 3/4-length, standard-height PCIe dual slot card
  • 241mm x 111.15mm
  • Max. component height: 34.79mm dual slot

Development Tools

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

FPGA Development
  • FPGA DevKit - example Vivado projects
  • Xilinx Tools - Vivado® Design Suite

Technical documents

Ordering information

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