The National Instruments PXIe-6674 is a PXI Express timing and synchronization module. NI lists this model as signal-based timing hardware supported by NI-Sync 21.3.
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Key product information and technical features.
The PXIe-6674 provides timing functionality within the PXI Express ecosystem. NI's technical material describes its use in replacing the system reference clock with a more precise source and exporting that reference to additional chassis.
NI-Sync documentation lists PXIe-6674 and PXIe-6674T separately. This product card retains the PXIe-6674 identity; numerical clock specifications and routing capabilities from PXIe-6674T documentation are not treated as verified specifications for this record.
Verified product specifications.
| Platform | PXI Express |
|---|---|
| Synchronization hardware classification | Signal-based module |
| Documented driver support | NI-Sync 21.3 |
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Manufacturer
Modular instrumentation platform
Timing and synchronization module
Explicitly listed among the signal-based modules supported by NI-Sync 21.3.
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Product-specific answers based on available technical information.
NI explicitly lists the PXIe-6674 as supported signal-based hardware in the NI-Sync 21.3 Readme. Check the selected release's operating-system and application-software requirements for your system.
Not without model-specific confirmation. NI lists PXIe-6674 and PXIe-6674T separately, so this card does not transfer the T model's numerical specifications or detailed routing capabilities to the PXIe-6674.
NI technical material describes replacing the system reference clock with a more precise source and exporting that clock to additional chassis. A specific multichassis configuration still requires verification of its signal connections and chassis requirements.