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July 2025
NI-7931
NI-7931, Xilinx Kintex-7 K325T FPGA, Controller for FlexRIO
Actual item may vary if no part number is provided on quote request.
✔ 2 Year Warranty Included
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Andrew Gar**** Verified Buyer
" Amazing to work with and had my order within 1 week after purchasing with all NI certs and data that were needed. "
March 2025
Said Sai**** Verified Buyer
" Competent contact for highly specialized components. The support team is very knowledgeable. Many thanks for the help and the fast shipping! "
January 2025
Bob C**** Verified Buyer
" Jason was able to get our emergency situation taken care of quickly and professionally. "
May 2025
Gregg Flecki**** Verified Buyer
" Great service and great products. This is my 2nd time using Apex Waves, truly impressed. "
January 2025
Carol Zimme**** Verified Buyer
" Very responsive and helpful, competitive pricing. Good source! "
July 2025
Andrew Gar**** Verified Buyer
" Amazing to work with and had my order within 1 week after purchasing with all NI certs and data that were needed. "
March 2025
Said Sai**** Verified Buyer
" Competent contact for highly specialized components. The support team is very knowledgeable. Many thanks for the help and the fast shipping! "
January 2025
Bob C**** Verified Buyer
" Jason was able to get our emergency situation taken care of quickly and professionally. "
May 2025
Gregg Flecki**** Verified Buyer
" Great service and great products. This is my 2nd time using Apex Waves, truly impressed. "
January 2025
National Instruments NI-7931 Controller for FlexRIO
The NI-7931 (Part number: 783763-01) Controller for FlexRIO has a Xilinx Kintex-7 325T FPGA, an ARM Cortex-A9 processor (Dual Core), 512 MB system memory, and onboard DDR3 DRAM up to 2 GB. This FlexRIO Controller also comes with dedicated clocking hardware to deliver a versatile clocking solution for FlexRIO systems. The internal reference clock frequency of the NI-7931 is 100 MHz, while its frequency pull range is +/-100 ppm.
The NI 7931 Controller for FlexRIO offers dependable, extended operation for applications that require embedded signal processing and advanced I/O capability. The NI 7931 Controller can be mounted with part number 784365-01. While the mounting position is not limited, the user should note that if they mount the NI-7931 upside-down, then they should ensure the FlexRIO Adapter Module is supported if they anticipate shock more than 30 g/11 ms. There also must be a minimum of one inch clearance on both sides of the controller when it is mounted to guarantee the maximum allowable ambient temperature. In addition, there are optional rubber feet which the user can install, but they should not be installed if the NI-7931 is directly mounted.
The SD card of this FlexRIO Controller supports SD and SDHC standards and has a nonvolatile expandable memory up to 32 GB. The typical standby power consumption of this module is 11.4 W and the maximum power supply is up to 60 W. The recommended power supply for this controller is >75 W, 12 VDC.
| Model | NI-7931 |
|---|---|
| Manufacturer | National Instruments |
| Part Number | 783763-01 |
| Type | Controller for FlexRIO |
| FPGA | Kintex-7 325T |
| FPGA Slices | 50,950 |
| DSP Slices | 840 |
| Dimensions | 9.21 x 5.14 x 1.73 in. |
| Weight | 41.27 oz. |
| NI-7931 Manual | User Manual and Maintenance Manual Available for Download |
| Price | Contact a sales representative for a quote. |
Associated part numbers for NI-7931:
National Instruments NI-7931 Frequently Asked Questions
Question: Which accessories are required for the NI-7931?
Answer: The NI-7931 requires the 12 VDC Desktop Power Supply for NI 793xR.
Question: What is the streaming throughput of the NI 7931?
Answer: The NI 7931 has a streaming throughput of 25 MB/s (GbE).
Question: Does the NI-7931 have high-speed serial connectivity?
Answer: No, the NI-7931 does not have high-speed serial connectivity.
Question: How many DSP slices does the NI 7931 have?
Answer: The NI 7931 has 840 DSP slices.
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