diff --git a/netbox/dcim/constants.py b/netbox/dcim/constants.py
index f2c047910..9c2993b60 100644
--- a/netbox/dcim/constants.py
+++ b/netbox/dcim/constants.py
@@ -58,6 +58,7 @@ IFACE_FF_1GE_FIXED = 1000
 IFACE_FF_1GE_GBIC = 1050
 IFACE_FF_1GE_SFP = 1100
 IFACE_FF_10GE_FIXED = 1150
+IFACE_FF_10GE_CX4 = 1170
 IFACE_FF_10GE_SFP_PLUS = 1200
 IFACE_FF_10GE_XFP = 1300
 IFACE_FF_10GE_XENPAK = 1310
@@ -106,6 +107,7 @@ IFACE_FF_CHOICES = [
             [IFACE_FF_100ME_FIXED, '100BASE-TX (10/100ME)'],
             [IFACE_FF_1GE_FIXED, '1000BASE-T (1GE)'],
             [IFACE_FF_10GE_FIXED, '10GBASE-T (10GE)'],
+            [IFACE_FF_10GE_CX4, '10GBASE-CX4 (10GE)'],
         ]
     ],
     [
diff --git a/netbox/dcim/migrations/0042_interface_ff_10ge_cx4.py b/netbox/dcim/migrations/0042_interface_ff_10ge_cx4.py
new file mode 100644
index 000000000..77bea6bc6
--- /dev/null
+++ b/netbox/dcim/migrations/0042_interface_ff_10ge_cx4.py
@@ -0,0 +1,25 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.4 on 2017-08-29 21:00
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('dcim', '0041_napalm_integration'),
+    ]
+
+    operations = [
+        migrations.AlterField(
+            model_name='interface',
+            name='form_factor',
+            field=models.PositiveSmallIntegerField(choices=[['Virtual interfaces', [[0, 'Virtual'], [200, 'Link Aggregation Group (LAG)']]], ['Ethernet (fixed)', [[800, '100BASE-TX (10/100ME)'], [1000, '1000BASE-T (1GE)'], [1150, '10GBASE-T (10GE)'], [1170, '10GBASE-CX4 (10GE)']]], ['Ethernet (modular)', [[1050, 'GBIC (1GE)'], [1100, 'SFP (1GE)'], [1200, 'SFP+ (10GE)'], [1300, 'XFP (10GE)'], [1310, 'XENPAK (10GE)'], [1320, 'X2 (10GE)'], [1350, 'SFP28 (25GE)'], [1400, 'QSFP+ (40GE)'], [1500, 'CFP (100GE)'], [1600, 'QSFP28 (100GE)']]], ['Wireless', [[2600, 'IEEE 802.11a'], [2610, 'IEEE 802.11b/g'], [2620, 'IEEE 802.11n'], [2630, 'IEEE 802.11ac'], [2640, 'IEEE 802.11ad']]], ['FibreChannel', [[3010, 'SFP (1GFC)'], [3020, 'SFP (2GFC)'], [3040, 'SFP (4GFC)'], [3080, 'SFP+ (8GFC)'], [3160, 'SFP+ (16GFC)']]], ['Serial', [[4000, 'T1 (1.544 Mbps)'], [4010, 'E1 (2.048 Mbps)'], [4040, 'T3 (45 Mbps)'], [4050, 'E3 (34 Mbps)']]], ['Stacking', [[5000, 'Cisco StackWise'], [5050, 'Cisco StackWise Plus'], [5100, 'Cisco FlexStack'], [5150, 'Cisco FlexStack Plus'], [5200, 'Juniper VCP']]], ['Other', [[32767, 'Other']]]], default=1200),
+        ),
+        migrations.AlterField(
+            model_name='interfacetemplate',
+            name='form_factor',
+            field=models.PositiveSmallIntegerField(choices=[['Virtual interfaces', [[0, 'Virtual'], [200, 'Link Aggregation Group (LAG)']]], ['Ethernet (fixed)', [[800, '100BASE-TX (10/100ME)'], [1000, '1000BASE-T (1GE)'], [1150, '10GBASE-T (10GE)'], [1170, '10GBASE-CX4 (10GE)']]], ['Ethernet (modular)', [[1050, 'GBIC (1GE)'], [1100, 'SFP (1GE)'], [1200, 'SFP+ (10GE)'], [1300, 'XFP (10GE)'], [1310, 'XENPAK (10GE)'], [1320, 'X2 (10GE)'], [1350, 'SFP28 (25GE)'], [1400, 'QSFP+ (40GE)'], [1500, 'CFP (100GE)'], [1600, 'QSFP28 (100GE)']]], ['Wireless', [[2600, 'IEEE 802.11a'], [2610, 'IEEE 802.11b/g'], [2620, 'IEEE 802.11n'], [2630, 'IEEE 802.11ac'], [2640, 'IEEE 802.11ad']]], ['FibreChannel', [[3010, 'SFP (1GFC)'], [3020, 'SFP (2GFC)'], [3040, 'SFP (4GFC)'], [3080, 'SFP+ (8GFC)'], [3160, 'SFP+ (16GFC)']]], ['Serial', [[4000, 'T1 (1.544 Mbps)'], [4010, 'E1 (2.048 Mbps)'], [4040, 'T3 (45 Mbps)'], [4050, 'E3 (34 Mbps)']]], ['Stacking', [[5000, 'Cisco StackWise'], [5050, 'Cisco StackWise Plus'], [5100, 'Cisco FlexStack'], [5150, 'Cisco FlexStack Plus'], [5200, 'Juniper VCP']]], ['Other', [[32767, 'Other']]]], default=1200),
+        ),
+    ]