diff --git a/data/probefiles/A1x32-Poly3-6mm-50.prb b/data/probefiles/A1x32-Poly3-6mm-50.prb
new file mode 100644
index 0000000..2954853
--- /dev/null
+++ b/data/probefiles/A1x32-Poly3-6mm-50.prb
@@ -0,0 +1,212 @@
+# neuronexus sites correspond to the following channels (array indices) 
+#
+
+#  (3)      (30)
+#   | \    / |
+#  (2)-(17)-(31)
+#   | /    \ |
+#  (1)-(16)-(32)
+#   | \    / |
+#  (4)-(18)-(29)
+#   | /    \ |
+#  (5)-(15)-(28)
+#   | \    / |
+#  (6)-(19)-(27)
+#   | /    \ |
+#  (7)-(14)-(26)
+#   | \    / |
+#  (8)-(20)-(25)
+#   | /    \ |
+#  (9)-(13)-(24)
+#   | \    / |
+# (10)-(21)-(23)
+#   | /    \ |
+# (11)-(12)-(22)
+
+# site:channel
+# s = {1: 0,
+#      2: 1,
+#      3: 2,
+#      4: 3,
+#      5: 4,
+#      6: 5,
+#      7: 6,
+#      8: 7,
+#      9: 8,
+#      10: 9,
+#      11: 10,
+#      12: 11,
+#      13: 12,
+#      14: 13,
+#      15: 14,
+#      16: 15,
+#      17: 16,
+#      18: 17,
+#      19: 18,
+#      20: 19,
+#      21: 20,
+#      22: 21,
+#      23: 22,
+#      24: 23,
+#      25: 24,
+#      26: 25,
+#      27: 26,
+#      28: 27,
+#      29: 28,
+#      30: 29,
+#      31: 30,
+#      32: 31,
+#      }
+s = {11: 0,
+     12: 1,
+     22: 2,
+     10: 3,
+     21: 4,
+     23: 5,
+     9: 6,
+     13: 7,
+     24: 8,
+     8: 9,
+     20: 10,
+     25: 11,
+     7: 12,
+     14: 13,
+     26: 14,
+     6: 15,
+     19: 16,
+     27: 17,
+     5: 18,
+     15: 19,
+     28: 20,
+     4: 21,
+     18: 22,
+     29: 23,
+     1: 24,
+     16: 25,
+     32: 26,
+     2: 27,
+     17: 28,
+     31: 29,
+     3: 30,
+     30: 31,
+     }
+     
+channel_groups = {
+    # Shank index.
+    0:
+        {   
+            # List of channels to keep for spike detection.
+            'channels': s.values(),
+            
+            # Adjacency graph. Dead channels will be automatically discarded
+            # by considering the corresponding subgraph.
+            'graph': [
+                (s[3],s[2]), # column 0
+                (s[2],s[1]),
+                (s[1],s[4]),
+                (s[4],s[5]),
+                (s[5],s[6]),
+                (s[6],s[7]),
+                (s[7],s[8]),
+                (s[8],s[9]),
+                (s[9],s[10]),
+                (s[10],s[11]),
+                (s[17],s[16]), # column 1
+                (s[16],s[18]),
+                (s[18],s[15]),
+                (s[15],s[19]),
+                (s[19],s[14]),
+                (s[14],s[20]),
+                (s[20],s[13]),
+                (s[13],s[21]),
+                (s[21],s[12]),
+                (s[30],s[31]), # column 2
+                (s[31],s[32]),
+                (s[32],s[29]),
+                (s[29],s[28]),
+                (s[28],s[27]),
+                (s[27],s[26]),
+                (s[26],s[25]),
+                (s[25],s[24]),
+                (s[24],s[23]),
+                (s[23],s[22]),
+                (s[2],s[17]), # row 0
+                (s[17],s[31]),
+                (s[1],s[16]), # row 1
+                (s[16],s[32]),
+                (s[4],s[18]), # row 2
+                (s[18],s[29]),
+                (s[5],s[15]), # row 3
+                (s[15],s[28]),
+                (s[6],s[19]), # row 4
+                (s[19],s[27]),
+                (s[7],s[14]), # row 5
+                (s[14],s[26]),
+                (s[8],s[20]), # row 6
+                (s[20],s[25]),
+                (s[9],s[13]), # row 7
+                (s[13],s[24]),
+                (s[10],s[21]), # row 8
+                (s[21],s[23]),
+                (s[11],s[12]), # row 9
+                (s[12],s[22]),
+                (s[17],s[3]), # star 0
+                (s[17],s[30]),
+                (s[17],s[32]),
+                (s[17],s[1]),
+                (s[18],s[1]), # star 1
+                (s[18],s[32]),
+                (s[18],s[28]),
+                (s[18],s[5]),
+                (s[19],s[5]), # star 2
+                (s[19],s[28]),
+                (s[19],s[26]),
+                (s[19],s[7]),
+                (s[20],s[7]), # star 3
+                (s[20],s[26]),
+                (s[20],s[24]),
+                (s[20],s[9]),
+                (s[21],s[9]), # star 4
+                (s[21],s[24]),
+                (s[21],s[22]),
+                (s[21],s[11]),
+            ],
+            
+            # 2D positions of the channels, only for visualization purposes
+            # in KlustaViewa. The unit doesn't matter.
+            'geometry': {
+                s[3]: (0,500), # column 0
+                s[2]: (0,450),
+                s[1]: (0,400),
+                s[4]: (0,350),
+                s[5]: (0,300),
+                s[6]: (0,250),
+                s[7]: (0,200),
+                s[8]: (0,150),
+                s[9]: (0,100),
+                s[10]: (0,50),
+                s[11]: (0,0), 
+                s[17]: (50,450), # column 1
+                s[16]: (50,400), 
+                s[18]: (50,350), 
+                s[15]: (50,300), 
+                s[19]: (50,250), 
+                s[14]: (50,200), 
+                s[20]: (50,150), 
+                s[13]: (50,100), 
+                s[21]: (50,50),  
+                s[12]: (50,0),   
+                s[30]: (100,500), # column 2
+                s[31]: (100,450),
+                s[32]: (100,400),
+                s[29]: (100,350),
+                s[28]: (100,300),
+                s[27]: (100,250),
+                s[26]: (100,200),
+                s[25]: (100,150),
+                s[23]: (100,100),
+                s[23]: (100,50), 
+                s[22]: (100,0),  
+            }
+    }
+}
diff --git a/data/probefiles/Neuronexus_A1x16.prb b/data/probefiles/Neuronexus_A1x16.prb
new file mode 100644
index 0000000..e0c7ce2
--- /dev/null
+++ b/data/probefiles/Neuronexus_A1x16.prb
@@ -0,0 +1,91 @@
+# Neuronexus A1x16-5mm50 probe
+
+# neuronexus sites correspond to the following channels (array indices) 
+
+# site:channel
+# s = {1: 0,
+#      2: 1,
+#      3: 2,
+#      4: 3,
+#      5: 4,
+#      6: 5,
+#      7: 6,
+#      8: 7,
+#      9: 8,
+#      10: 9,
+#      11: 10,
+#      12: 11,
+#      13: 12,
+#      14: 13,
+#      15: 14,
+#      16: 15,
+#      }
+s = {1: 4,
+     2: 6,
+     3: 2,
+     4: 10,
+     5: 8,
+     6: 0,
+     7: 12,
+     8: 14,
+     9: 15,
+     10: 13,
+     11: 1,
+     12: 9,
+     13: 11,
+     14: 3,
+     15: 7,
+     16: 5,
+     }
+
+
+channel_groups = {
+    # Shank index.
+    0:
+        {   
+            # List of channels to keep for spike detection.
+            'channels': s.values(),
+            
+            # Adjacency graph. Dead channels will be automatically discarded
+            # by considering the corresponding subgraph.
+            'graph': [
+                (s[6], s[11]),
+                (s[11], s[3]),
+                (s[3], s[14]),
+                (s[14], s[10]),
+                (s[10], s[8]),
+                (s[8], s[2]),
+                (s[2], s[15]),
+                (s[15], s[5]),
+                (s[5], s[12]),
+                (s[12], s[4]),
+                (s[4], s[13]),
+                (s[13], s[7]),
+                (s[7], s[10]),
+                (s[10], s[8]),
+                (s[8], s[9]),
+            ],
+            
+            # 2D positions of the channels, in microns.
+            # NOTE: For visualization purposes
+            # in KlustaViewa, the unit doesn't matter.
+            'geometry': {
+                s[6]: (0, 0),
+                s[11]: (0, 50),
+                s[3]: (0, 100),
+                s[14]: (0, 150),
+                s[1]: (0, 200),
+                s[16]: (0, 250),
+                s[2]: (0, 300),
+                s[15]: (0, 350),
+                s[5]: (0, 400),
+                s[12]: (0, 450),
+                s[4]: (0, 500),
+                s[13]: (0, 550),
+                s[7]: (0, 600),
+                s[10]: (0, 650),
+                s[8]: (0, 700),
+                s[9]: (0, 750),
+            }
+    }
+}