diff --git a/.github/pr-projects.json b/.github/pr-projects.json
index 2f2237419d0a8..b74ed0ad3c31f 100644
--- a/.github/pr-projects.json
+++ b/.github/pr-projects.json
@@ -11,6 +11,7 @@
     "ladakh800bcls",
     "m4061nhp",
     "m4062nhp",
+    "m4340nhp",
     "meru800bfa",
     "meru800bia",
     "minipack",
diff --git a/fboss/agent/platforms/common/tests/PlatformMappingUtilsTest.cpp b/fboss/agent/platforms/common/tests/PlatformMappingUtilsTest.cpp
index 56bd1d27eb5d7..89022c44d5636 100644
--- a/fboss/agent/platforms/common/tests/PlatformMappingUtilsTest.cpp
+++ b/fboss/agent/platforms/common/tests/PlatformMappingUtilsTest.cpp
@@ -138,6 +138,8 @@ TEST(
       PlatformType::PLATFORM_M4062NHP,
       PlatformType::PLATFORM_M4061CLSC,
       PlatformType::PLATFORM_M5120CSC,
+      PlatformType::PLATFORM_M4340NHP,
+      PlatformType::PLATFORM_M4061NHP,
       futurePlatformType,
   };
   for (const auto type : platformTypes) {
diff --git a/fboss/configs/platforms/nexthop/m4061nhp/platform_mapping/m4061nhp_platform_descriptor.csv b/fboss/configs/platforms/nexthop/m4061nhp/platform_mapping/m4061nhp_platform_descriptor.csv
new file mode 100644
index 0000000000000..a18fdfa54bdfb
--- /dev/null
+++ b/fboss/configs/platforms/nexthop/m4061nhp/platform_mapping/m4061nhp_platform_descriptor.csv
@@ -0,0 +1,2 @@
+System_Vendor,Platform_Type,Product_Name_Prefixes,Mode_Names,Asic_Type
+nexthop,PLATFORM_M4061NHP,M4061NHP,m4061nhp,ASIC_TYPE_TOMAHAWK6
diff --git a/fboss/configs/platforms/nexthop/m4340nhp/platform_mapping/m4340nhp_platform_descriptor.csv b/fboss/configs/platforms/nexthop/m4340nhp/platform_mapping/m4340nhp_platform_descriptor.csv
new file mode 100644
index 0000000000000..b9ac4c549f34b
--- /dev/null
+++ b/fboss/configs/platforms/nexthop/m4340nhp/platform_mapping/m4340nhp_platform_descriptor.csv
@@ -0,0 +1,2 @@
+System_Vendor,Platform_Type,Product_Name_Prefixes,Mode_Names,Asic_Type
+nexthop,PLATFORM_M4340NHP,M4340NHP,m4340nhp,ASIC_TYPE_QUMRAN4D
diff --git a/fboss/lib/if/fboss_common.thrift b/fboss/lib/if/fboss_common.thrift
index a22a231072c3a..e4851519fb258 100644
--- a/fboss/lib/if/fboss_common.thrift
+++ b/fboss/lib/if/fboss_common.thrift
@@ -71,6 +71,8 @@ enum PlatformType {
   PLATFORM_WEDGE800CNHP = 56,
   PLATFORM_M4061CLSC = 57,
   PLATFORM_M4052ACTM = 58,
+  PLATFORM_M4340NHP = 59,
+  PLATFORM_M4061NHP = 60,
   PLATFORM_UNKNOWN = 1000, # Placeholder for unknown platform type
 }