diff --git a/src/spikeinterface/extractors/neoextractors/openephys.py b/src/spikeinterface/extractors/neoextractors/openephys.py
index 05a3c82115..5dc9220aa5 100644
--- a/src/spikeinterface/extractors/neoextractors/openephys.py
+++ b/src/spikeinterface/extractors/neoextractors/openephys.py
@@ -324,14 +324,12 @@ def __init__(
             if "NI-DAQmx" not in stream_name:
                 settings_file = node_structure["experiments"][exp_id]["settings_file"]
 
-                if Path(settings_file).is_file():
-                    probe = probeinterface.read_openephys(
-                        settings_file=settings_file, stream_name=oe_stream_name, raise_error=False
+                if Path(settings_file).is_file() and probeinterface.has_neuropixels_probes(
+                    settings_file, stream_name=oe_stream_name
+                ):
+                    probe = probeinterface.read_openephys_neuropixels(
+                        settings_file=settings_file, stream_name=oe_stream_name
                     )
-                else:
-                    probe = None
-
-                if probe is not None:
                     if probe.shank_ids is not None:
                         self.set_probe(probe, in_place=True, group_mode="by_shank")
                     else:
diff --git a/src/spikeinterface/extractors/neoextractors/spikegadgets.py b/src/spikeinterface/extractors/neoextractors/spikegadgets.py
index d9df77dc99..adc50df12f 100644
--- a/src/spikeinterface/extractors/neoextractors/spikegadgets.py
+++ b/src/spikeinterface/extractors/neoextractors/spikegadgets.py
@@ -1,10 +1,13 @@
 from pathlib import Path
+import warnings
+import numpy as np
 
-import packaging
-
-import packaging.version
 import probeinterface
 from spikeinterface.core.core_tools import define_function_from_class
+from spikeinterface.extractors.neuropixels_utils import (
+    get_neuropixels_sample_shifts_from_probe,
+    compute_saturation_threshold_from_probe,
+)
 
 from .neobaseextractor import NeoBaseRecordingExtractor
 
@@ -56,12 +59,35 @@ def __init__(
         )
         self._kwargs.update(dict(file_path=str(Path(file_path).absolute()), stream_id=stream_id))
 
-        probegroup = probeinterface.read_spikegadgets(file_path, raise_error=False)
-        # TODO: add adc sample shifts and saturation levels if available in the probe metadata
+        if probeinterface.has_spikegadgets_neuropixels_probes(file_path):
+            probegroup = probeinterface.read_spikegadgets_neuropixels(file_path)
+
+            # get inter-sample shifts based on the probe information and mux channels
+            # SpikeGadgets writes multiple probes in the same file and the contacts are
+            # interleaved. The `device_channel_indices` of the probe is used to map the
+            # sample shifts to the correct channels.
+            # We instantiate the sample_shifts array with -1 to indicate channels for
+            # which we don't have a sample shift (sample shifts are [0-1] by definition)
+            sample_shifts = -1 * np.ones(self.get_num_channels())
+            saturation_thresholds_uV = []
+            for probe in probegroup.probes:
+                sample_shifts_probe = get_neuropixels_sample_shifts_from_probe(probe)
+                if sample_shifts_probe is not None:
+                    sample_shifts[probe.device_channel_indices] = sample_shifts_probe
+                # add saturation levels if available
+                saturation_threshold_uV_probe = compute_saturation_threshold_from_probe(probe, self.stream_id)
+                if saturation_threshold_uV_probe is not None:
+                    saturation_thresholds_uV.append(saturation_threshold_uV_probe)
 
-        if probegroup is not None:
             self.set_probegroup(probegroup, in_place=True)
 
+            if np.all(sample_shifts != -1):
+                self.set_property("inter_sample_shift", sample_shifts)
+            if len(set(saturation_thresholds_uV)) == 1:
+                self.annotate(saturation_threshold_uV=saturation_thresholds_uV[0])
+            else:
+                warnings.warn("Multiple saturation thresholds found for different probes, unable to annotate.")
+
     @classmethod
     def map_to_neo_kwargs(cls, file_path):
         neo_kwargs = {"filename": str(file_path)}