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ESXi 6.5 I/O driver information: certified 5.5 and 6.0 I/O drivers are compatible with vSphere 6.5 (2147697)

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This article describes Input/Output (I/O) driver support with VMware ESXi 6.5 and related implications for vSphere 6.5 only features.


ESXi 6.5 supports I/O drivers built and certified on ESXi 5.5 (ESXi 5.5-based), on ESXi 6.0 (ESXi 6.0-based) in addition to I/O drivers built and certified on ESXi 6.5 (ESXi 6.5-based). 

The VMware Compatibility Guide lists ESXi 5.5-based, ESXi 6.0-based, and ESXi 6.5 drivers as supported with ESXi 6.5. 

NoteESXi 5.5-based and ESXi 6.0-based drivers lack support only for the new features in ESXi 6.5.

New features available only on ESXi 6.5 based I/O drivers

Certified features are listed in the Model Release Details page of the VMware Compatibility Guide for each driver version where applicable.

New features for I/O drivers in ESXi 6.5:

Geneve Offload


  • Geneve offload will not be shipped at GA as the feature has been delayed and will be supported post GA date.
  • Always check the VMware Compatibility Guide to determine what features are supported by a given I/O driver and device.

See Also

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Request a Product Feature

To request a new product feature or to provide feedback on a VMware product, please visit the Request a Product Feature page.


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