diff --git a/netbox/dcim/choices.py b/netbox/dcim/choices.py
index e92a1e9a7..5aedd3031 100644
--- a/netbox/dcim/choices.py
+++ b/netbox/dcim/choices.py
@@ -1518,9 +1518,12 @@ class InterfaceSpeedChoices(ChoiceSet):
         (10000000, '10 Gbps'),
         (25000000, '25 Gbps'),
         (40000000, '40 Gbps'),
+        (50000000, '50 Gbps'),
         (100000000, '100 Gbps'),
         (200000000, '200 Gbps'),
         (400000000, '400 Gbps'),
+        (800000000, '800 Gbps'),
+        (1600000000, '1.6 Tbps'),
     ]