diff --git a/generic_config_updater/gcu_field_operation_validators.conf.json b/generic_config_updater/gcu_field_operation_validators.conf.json
index 913c92afa..c3beb1d54 100644
--- a/generic_config_updater/gcu_field_operation_validators.conf.json
+++ b/generic_config_updater/gcu_field_operation_validators.conf.json
@@ -33,7 +33,7 @@
                 "th5": [ "Nokia-IXR7220-H5-64D", "Arista-7060X6-64DE", "Arista-7060X6-64PE", "Arista-7060X6-64PE-C224O8", "Arista-7060X6-64PE-C256S2",
                          "Arista-7060X6-64PE-B-C512S2", "Arista-7060X6-64PE-B-C448O16", "Arista-7060X6-64PE-B-O128"],
                 "td2": [ "Force10-S6000", "Force10-S6000-Q24S32", "Arista-7050-QX32", "Arista-7050-QX-32S", "Nexus-3164", "Arista-7050QX32S-Q32" ],
-                "td3": [ "Arista-7050CX3-32S-C32", "Arista-7050CX3-32S-D48C8" ],
+                "td3": [ "Arista-7050CX3-32S-C32", "Arista-7050CX3-32S-D48C8", "Arista-7050CX3-32S-C28S4" ],
                 "j2c+": [ "Nokia-IXR7250E-36x100G", "Nokia-IXR7250E-36x400G" ]
             }
 	}