Acquisition:Fetch:Data Transfer:Host DMA Buffer Size
- Updated2025-10-14
- 1 minute(s) read
Specifies the size of the DMA buffer in computer memory, in bytes. To set this property, the NI-RFSA device must be in the Configuration state.
A sufficiently large host DMA buffer improves performance by allowing large fetches to be transferred more efficiently.
Default Value: 8 MB
Supported Devices: PXIe-5820/5830/5831/5832/5840/5841/5842/5860
Remarks
The following table lists the characteristics of this property.
| Short Name | Host DMA Buffer Size |
| Data type |  |
| Permissions | Read/Write |
| High-level VIs | N/A |
| Channel-based | No |
| Resettable | Yes |