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National Instruments · PXI Express

PXIe-8240

The NI PXIe-8240 is a single-slot PXI Express Ethernet interface with two QSFP+ ports supporting up to 40 GbE per port. It uses an Intel XL710 Ethernet controller and supports copper and fiber optic connectivity.

ManufacturerNational Instruments
ModelPXIe-8240
Part Number784977-01
Product TypeDual-port 40 Gigabit Ethernet interface module
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30-Day Warrantystandard coverage
30-Day Returnspolicy applies
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Ethernet ports2 QSFP+
Maximum port rate40 GbE per port
Backplane linkPCI Express Gen3 x8
Form factorSingle-slot 3U PXI Express
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Overview

Product overview

Key product information and technical features.

The PXIe-8240 provides Ethernet connectivity for a PXI Express system through a Gen3 x8 backplane link.

NI documents its use for transferring system data to external storage or a server and for exchanging or aggregating data across multiple PXI Express systems.

  • Intel XL710 Ethernet controller.
  • Supports 40GBASE-SR4 optical and Copper Direct Attach media.
  • Front-panel indicators show link speed and link/activity status.
Verified specifications

Technical data

Verified product specifications.

Ethernet port count2 ports
Maximum data rate per port40 Gb/s
Front connectorsQSFP+
Backplane connectionPCI Express Gen3 x8
Slot requirementOne 3U PXI Express peripheral slot
Typical total power15.31 W
Maximum total power22.97 W
Operating ambient temperature0 to 55 °C
Condition & included items

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Compatibility

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National Instruments

Manufacturer

PXI Express

Module platform and backplane interface

PXIe-8240

Ethernet peripheral module

Network interface

Dual QSFP+ ports

Maximum throughput requires a PXI Express Gen3 x8 connection; review chassis slot capabilities before integration.
Manuals & software

Technical resources

Manuals, software and technical resources for this model.

PXIe-8240 Official Product PageProduct Page · ni.com
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PXIe-8240 User Manual and SpecificationsManual And Specifications · download.ni.com
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PXIe-8240 Getting Started GuideInstallation Guide · download.ni.com
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PXIe-8240 Firmware and Additional DriversTechnical resource
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PXIe-8240 Dimensional Drawings and CAD ModelsTechnical resource
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Shipping, warranty & returns

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Warranty
30-Day Warranty. Standard coverage applies.
Returns
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FAQ

Product-specific questions

Product-specific answers based on available technical information.

Is 40 GbE specified per port?

Yes. NI specifies a supported data rate of up to 40 GbE per port.

Which cable media does the PXIe-8240 support?

NI lists 40GBASE-SR4 optical media and Copper Direct Attach media for its QSFP+ ports.

What is the NI part number?

NI identifies the PXIe-8240 with part number 784977-01.

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