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Product overview

The XpressV7LP-HE board is a low-profile PCIe  add-in card engineered for low-latency, high performance network computing. Based on a Xilinx® Virtex®-7 FPGA, the card features 50Gbit of direct-attached Ethernet connectivity, a PCIe Gen3 x8 host interface, and abundant memory resources including DDR3 SDRAM and QDR2+ SRAM.

XpressV7-LP690HE-Gen3 (END OF LIFE)

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Benefits & features

  • Highly integrated, production-optimized COTS board reduces time-to-market and risk
  • Low profile half height PCI Express card integrates into any computing platform, including 1U rackmount servers
  • PCI Express Gen 3 x8 coupled with PLDA's advanced DMA IP enables highest bandwidth to server memory
  • 2 x 4GB DDR3 SDRAM + 2 x 144Mb QDR2+
  • Advanced power management enables single supply through PCIe slot connector


Tech spec

Form Factor

  • Low Profile PCIe
  • Half height, half length
  • Single slot width
  • 6.59 x 2.71 inches

FPGA processing

  • XC7VX690T-2FFG1157C

DDR3 SDRAM memory

  • 2 banks, 72-bit
  • 2 x 4GB @ 1600 MT/s


  • 2 banks, 18-bit, SIO
  • 2 x 18MB @ 800MT/s

Non-volatile memory

  • 512MB NOR Flash (32-bit)
  • 2x256Kbit I²C EEPROM

Clock sources (MHz)

  • 25, 50, 100, 125, 200, 644.53125
  • Board to Board interface (optionnal)
  • 4 GTH transceiver pairs

Host interface

  • Physical: PCI Express 3.0 x 8 (8-lane)
  • Logical: x1, x2, x4, x8 at Gen3, Gen2, Gen1 speed.

Backplate interface

One QSFP+ supporting:

  • 40GBASE-LR4/SR4 or
  • 1 to 4 10GBASE-LRM/SR/LR (requires QSFP splitter cable) or
  • 1 to 4 1000BASE-T/TX (requires QSFP splitter cable)

One SFP+ supporting:

  • + 10GBASE-LRM/SR/LR or
  • + 10/100/1000BASE-T/TX

Other protocols as supported by the QSFP+ and SFP+ modules

Time stamping interface

  • IEEE-1588 PTP over RJ45 through DP83640
  • PPS-IRIG support through daughtercard (DP83640 bypass)

General purpose I/Os

  • 8 x user LEDs
  • 4 x FPGA configuration LEDs
  • 1 x reset button
  • 1 x FPGA configuration reload button
  • 1 x FPGA image boot selector
  • 3 x user switches

Quality and compliance

  • IEC 60950-1 / CB scheme
  • CE certified

FPGA configuration

  • JTAG (USB cable)
  • CPLD & Flash Engine
  • Support for 2 bitstreams
  • Bitstream updates via Host software through PCIe
  • Golden bitstream recovery
  • FPGA partial configuration via host (PRC)
  • Auto recovery from bad user bitstream

Electrical and power

  • Power derived from PCIe slot 3.3V and 12V
  • 690T: 25W / 40W Typical / max.


  • Power/voltage monitoring
  • Temperature monitoring


  • Single-width active heatsink (embedded fan) standard
  • Passive heatsink optional


  • Cooling: Air convection
  • Operating temperature: 0°C to 70°C
  • Storage temperature: -20°C to 80°C
  • Relative humidity: 45 to 95% (non-condensing)



  • XpressV7-LP HE Card
  • Full and Half-height PCIe brackets
  • Firmware and Software

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