diff --git a/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-D108C8/pg_profile_lookup.ini b/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-D108C8/pg_profile_lookup.ini
index c2bf04950b80..ed0005610b71 100644
--- a/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-D108C8/pg_profile_lookup.ini
+++ b/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-D108C8/pg_profile_lookup.ini
@@ -1,8 +1,8 @@
 # PG lossless profiles.
-# speed cable size    xon  xoff   threshold xon_offset
-  50000  5m   1248    1248 56160  -3        2496
- 100000  5m   1248    1248 96928  -3        2496
-  50000  40m  1248    1248 56160  -3        2496
- 100000  40m  1248    1248 96928  -3        2496
-  50000  300m 1248    1248 56160  -3        2496
- 100000  300m 1248    1248 96928  -3        2496
+# speed cable size    xon  xoff     threshold xon_offset
+  50000  5m   1248    1248 56160    -3        2496
+ 100000  5m   1248    1248 96928    -3        2496
+  50000  40m  1248    1248 96096    -3        2496
+ 100000  40m  1248    1248 177632   -3        2496
+  50000  300m 1248    1248 141856   -3        2496
+ 100000  300m 1248    1248 268736   -3        2496
diff --git a/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-Q64/pg_profile_lookup.ini b/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-Q64/pg_profile_lookup.ini
index 34ac8b2ca700..ac33b4f961fb 100644
--- a/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-Q64/pg_profile_lookup.ini
+++ b/device/arista/x86_64-arista_7260cx3_64/Arista-7260CX3-Q64/pg_profile_lookup.ini
@@ -1,11 +1,11 @@
 # PG lossless profiles.
-# speed cable size    xon  xoff   threshold xon_offset
-  40000  5m   1248    1248 56160  -3        2496
-  50000  5m   1248    1248 56160  -3        2496
- 100000  5m   1248    1248 96928  -3        2496
-  40000  40m  1248    1248 56160  -3        2496
-  50000  40m  1248    1248 56160  -3        2496
- 100000  40m  1248    1248 96928  -3        2496
-  40000  300m 1248    1248 56160  -3        2496
-  50000  300m 1248    1248 56160  -3        2496
- 100000  300m 1248    1248 96928  -3        2496
+# speed cable size    xon  xoff     threshold xon_offset
+  40000  5m   1248    1248 56160    -3        2496
+  50000  5m   1248    1248 56160    -3        2496
+ 100000  5m   1248    1248 96928    -3        2496
+  40000  40m  1248    1248 71552    -3        2496
+  50000  40m  1248    1248 96096    -3        2496
+ 100000  40m  1248    1248 177632   -3        2496
+  40000  300m 1248    1248 108160   -3        2496
+  50000  300m 1248    1248 141856   -3        2496
+ 100000  300m 1248    1248 268736   -3        2496