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National Instruments PCI-8331 Copper MXI-4 PCI interface card
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National Instruments · PCI host interface for PXI/CompactPCI expansion

PCI-8331

The National Instruments PCI-8331 is the host-side PCI card for a copper MXI-4 connection to a PXI-8331 in a PXI/CompactPCI expansion chassis.

ManufacturerNational Instruments
ModelPCI-8331
Product TypeCopper MXI-4 PCI interface card
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30-Day Warrantystandard coverage
30-Day Returnspolicy applies
Technical Supportmodel & compatibility help
Host connectionPCI
Link mediumCopper MXI-4
Chassis-side pairingPXI-8331
Maximum cable length10 m
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Overview

Product overview

Key product information and technical features.

The PCI-8331 extends a computer's PCI bus to an external instrumentation chassis through MXI-4. Its PCI-to-PCI bridge architecture is transparent to device drivers.

A working connection requires the matching PXI-8331, a copper MXI-4 cable, a suitable host, an expansion chassis, and the required software. The PCI-8331 is one component of that system, not the complete link.

  • PCI-to-PCI bridge architecture for external bus expansion.
  • Copper connection to the matching PXI-8331 interface.
  • MXI-4 copper links support sustained throughput up to 78 MB/s, depending on system configuration.
Verified specifications

Technical data

Verified product specifications.

Interface familyMXI-4
Link mediumCopper
Maximum cable length10 m
Sustained link throughputUp to 78; system-dependent MB/s
Cable connector4-pin serial D-Sub
Typical card weight0.19 kg
Condition & included items

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Condition

Confirmed per unit.

Included

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Compatibility

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National Instruments

Manufacturer

MXI-4

Bus-extension family

PCI-8331

Host-side PCI interface

PXI-8331

Matching expansion-chassis interface

Use the documented PXI-8331 pairing and copper cable; MXI-4 and MXI-Express boards cannot be mixed.
Manuals & software

Technical resources

Manuals, software and technical resources for this model.

MXI-4 Series User Manual and SpecificationsUser Manual And Specifications · download.ni.com
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Set Up Your MXI-4 SystemSetup Guide · download.ni.com
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MXI-Express x1 Series User Manual — MXI-4 ComparisonTechnical Comparison · docs-be.ni.com
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NI guidance on mixing MXI generationsTechnical resource
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Shipping, warranty & returns

Commercial terms

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

Product-specific questions

Product-specific answers based on available technical information.

Which chassis-side card pairs with the PCI-8331?

NI documents the PCI-8331 and PXI-8331 as an allowed MXI-4 pair, connected with a copper MXI-4 cable.

Can the PCI-8331 connect to an MXI-Express interface?

No. NI states that MXI-4 and MXI-Express x1 boards cannot be mixed because their communication protocols differ.

How does the PCI-8331 differ from the PCI-8336?

The PCI-8331 uses copper cabling with a PXI-8331. The PCI-8336 uses fiber-optic cabling with a PXI-8336.

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