Agilent / HP / Keysight E1430A

This digitizer is a complete A/D module.

Included with its low distortion, low noise, analog to digital converter is flexible input signal conditioning, alias protection, tunable digital filtering, a deep FIFO memory and a choice of high speed interfaces.

These are also has low noise.

Low noise means better resolution on single shot events and less processing to resolve the signal on repetitive events.