diff --git a/orchagent/port/porthlpr.cpp b/orchagent/port/porthlpr.cpp
index 9da05ee249..2d7c552b1c 100644
--- a/orchagent/port/porthlpr.cpp
+++ b/orchagent/port/porthlpr.cpp
@@ -26,7 +26,7 @@ typedef decltype(PortConfig::link_event_damping_config) PortDampingConfig_t;
 // constants ----------------------------------------------------------------------------------------------------------
 
 static const std::uint32_t minPortSpeed = 1;
-static const std::uint32_t maxPortSpeed = 800000;
+static const std::uint32_t maxPortSpeed = 1600000;
 
 static const std::uint32_t minPortMtu = 68;
 static const std::uint32_t maxPortMtu = 9216;
diff --git a/orchagent/port_rates.lua b/orchagent/port_rates.lua
index 9f06baa5b6..f011e821d0 100644
--- a/orchagent/port_rates.lua
+++ b/orchagent/port_rates.lua
@@ -83,6 +83,8 @@ local function calculate_lane_and_serdes_speed(count, speed)
         serdes = 53.125e+9
     elseif lane_speed == 100000 then
         serdes = 106.25e+9
+    elseif lane_speed == 200000 then
+        serdes = 212.5e+9
     else
        logit("Invalid serdes speed")
     end