diff --git a/device/mellanox/x86_64-mlnx_msn2010-r0/plugins/sfputil.py b/device/mellanox/x86_64-mlnx_msn2010-r0/plugins/sfputil.py
index 053b591b70..7fd349f6ea 100644
--- a/device/mellanox/x86_64-mlnx_msn2010-r0/plugins/sfputil.py
+++ b/device/mellanox/x86_64-mlnx_msn2010-r0/plugins/sfputil.py
@@ -15,6 +15,9 @@ REDIS_HOSTNAME = "localhost"
 REDIS_PORT = 6379
 REDIS_TIMEOUT_USECS = 0
 
+# parameters for SFP presence
+SFP_STATUS_INSERTED = '1'
+
 class SfpUtil(SfpUtilBase):
     """Platform-specific SfpUtil class"""
     PORT_START = 0
@@ -71,7 +74,7 @@ class SfpUtil(SfpUtilBase):
         content = reg_file.readline().rstrip()
 
         # content is a string with the qsfp status
-        if content == "1":
+        if content == SFP_STATUS_INSERTED:
             return True
 
         return False
diff --git a/device/mellanox/x86_64-mlnx_msn2100-r0/plugins/sfputil.py b/device/mellanox/x86_64-mlnx_msn2100-r0/plugins/sfputil.py
index d534386e2f..a4cb383a81 100644
--- a/device/mellanox/x86_64-mlnx_msn2100-r0/plugins/sfputil.py
+++ b/device/mellanox/x86_64-mlnx_msn2100-r0/plugins/sfputil.py
@@ -15,6 +15,9 @@ REDIS_HOSTNAME = "localhost"
 REDIS_PORT = 6379
 REDIS_TIMEOUT_USECS = 0
 
+# parameters for SFP presence
+SFP_STATUS_INSERTED = '1'
+
 class SfpUtil(SfpUtilBase):
     """Platform-specific SfpUtil class"""
     PORT_START = 0
@@ -70,7 +73,7 @@ class SfpUtil(SfpUtilBase):
         content = reg_file.readline().rstrip()
 
         # content is a string with the qsfp status
-        if content == "good":
+        if content == SFP_STATUS_INSERTED:
             return True
 
         return False
diff --git a/device/mellanox/x86_64-mlnx_msn2410-r0/plugins/sfputil.py b/device/mellanox/x86_64-mlnx_msn2410-r0/plugins/sfputil.py
index bc61073ba1..f437ce5f36 100644
--- a/device/mellanox/x86_64-mlnx_msn2410-r0/plugins/sfputil.py
+++ b/device/mellanox/x86_64-mlnx_msn2410-r0/plugins/sfputil.py
@@ -15,6 +15,9 @@ REDIS_HOSTNAME = "localhost"
 REDIS_PORT = 6379
 REDIS_TIMEOUT_USECS = 0
 
+# parameters for SFP presence
+SFP_STATUS_INSERTED = '1'
+
 class SfpUtil(SfpUtilBase):
     """Platform-specific SfpUtil class"""
     PORT_START = 0
@@ -71,7 +74,7 @@ class SfpUtil(SfpUtilBase):
         content = reg_file.readline().rstrip()
 
         # content is a string with the qsfp status
-        if content == "good":
+        if content == SFP_STATUS_INSERTED:
             return True
 
         return False
diff --git a/device/mellanox/x86_64-mlnx_msn2700-r0/plugins/sfputil.py b/device/mellanox/x86_64-mlnx_msn2700-r0/plugins/sfputil.py
index f85fcc4d90..63ede42590 100644
--- a/device/mellanox/x86_64-mlnx_msn2700-r0/plugins/sfputil.py
+++ b/device/mellanox/x86_64-mlnx_msn2700-r0/plugins/sfputil.py
@@ -15,6 +15,9 @@ REDIS_HOSTNAME = "localhost"
 REDIS_PORT = 6379
 REDIS_TIMEOUT_USECS = 0
 
+# parameters for SFP presence
+SFP_STATUS_INSERTED = '1'
+
 class SfpUtil(SfpUtilBase):
     """Platform-specific SfpUtil class"""
     PORT_START = 0
@@ -70,7 +73,7 @@ class SfpUtil(SfpUtilBase):
         content = reg_file.readline().rstrip()
 
         # content is a string with the qsfp status
-        if content == "good":
+        if content == SFP_STATUS_INSERTED:
             return True
 
         return False
diff --git a/device/mellanox/x86_64-mlnx_msn2740-r0/plugins/sfputil.py b/device/mellanox/x86_64-mlnx_msn2740-r0/plugins/sfputil.py
index f85fcc4d90..63ede42590 100644
--- a/device/mellanox/x86_64-mlnx_msn2740-r0/plugins/sfputil.py
+++ b/device/mellanox/x86_64-mlnx_msn2740-r0/plugins/sfputil.py
@@ -15,6 +15,9 @@ REDIS_HOSTNAME = "localhost"
 REDIS_PORT = 6379
 REDIS_TIMEOUT_USECS = 0
 
+# parameters for SFP presence
+SFP_STATUS_INSERTED = '1'
+
 class SfpUtil(SfpUtilBase):
     """Platform-specific SfpUtil class"""
     PORT_START = 0
@@ -70,7 +73,7 @@ class SfpUtil(SfpUtilBase):
         content = reg_file.readline().rstrip()
 
         # content is a string with the qsfp status
-        if content == "good":
+        if content == SFP_STATUS_INSERTED:
             return True
 
         return False