diff --git a/nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/FetchFTP.java b/nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/FetchFTP.java
index 2460048b3f..6f3f84d04f 100644
--- a/nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/FetchFTP.java
+++ b/nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/FetchFTP.java
@@ -72,6 +72,7 @@ public class FetchFTP extends FetchFileTransfer {
         properties.add(FTPTransfer.PROXY_PORT);
         properties.add(FTPTransfer.HTTP_PROXY_USERNAME);
         properties.add(FTPTransfer.HTTP_PROXY_PASSWORD);
+        properties.add(FTPTransfer.BUFFER_SIZE);
         return properties;
     }
 
diff --git a/nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/GetFTP.java b/nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/GetFTP.java
index e60ef3a421..1dd8dbf85d 100644
--- a/nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/GetFTP.java
+++ b/nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/GetFTP.java
@@ -81,6 +81,7 @@ public class GetFTP extends GetFileTransfer {
         properties.add(FTPTransfer.PROXY_PORT);
         properties.add(FTPTransfer.HTTP_PROXY_USERNAME);
         properties.add(FTPTransfer.HTTP_PROXY_PASSWORD);
+        properties.add(FTPTransfer.BUFFER_SIZE);
         properties.add(FTPTransfer.UTF8_ENCODING);
         this.properties = Collections.unmodifiableList(properties);
     }
diff --git a/nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/ListFTP.java b/nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/ListFTP.java
index 8204830744..8deadb2082 100644
--- a/nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/ListFTP.java
+++ b/nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/ListFTP.java
@@ -84,6 +84,7 @@ public class ListFTP extends ListFileTransfer {
         properties.add(FTPTransfer.PROXY_PORT);
         properties.add(FTPTransfer.HTTP_PROXY_USERNAME);
         properties.add(FTPTransfer.HTTP_PROXY_PASSWORD);
+        properties.add(FTPTransfer.BUFFER_SIZE);
         properties.add(TARGET_SYSTEM_TIMESTAMP_PRECISION);
         return properties;
     }
diff --git a/nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/PutFTP.java b/nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/PutFTP.java
index 734ad6a624..d4b11fce54 100644
--- a/nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/PutFTP.java
+++ b/nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/PutFTP.java
@@ -94,6 +94,7 @@ public class PutFTP extends PutFileTransfer<FTPTransfer> {
         properties.add(FTPTransfer.PROXY_PORT);
         properties.add(FTPTransfer.HTTP_PROXY_USERNAME);
         properties.add(FTPTransfer.HTTP_PROXY_PASSWORD);
+        properties.add(FTPTransfer.BUFFER_SIZE);
         properties.add(FTPTransfer.UTF8_ENCODING);
 
         this.properties = Collections.unmodifiableList(properties);
diff --git a/nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/util/FTPTransfer.java b/nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/util/FTPTransfer.java
index aeec6c3fef..7a40612777 100644
--- a/nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/util/FTPTransfer.java
+++ b/nifi-nar-bundles/nifi-standard-bundle/nifi-standard-processors/src/main/java/org/apache/nifi/processors/standard/util/FTPTransfer.java
@@ -41,6 +41,7 @@ import org.apache.commons.net.ftp.FTPReply;
 import org.apache.nifi.components.PropertyDescriptor;
 import org.apache.nifi.flowfile.FlowFile;
 import org.apache.nifi.logging.ComponentLog;
+import org.apache.nifi.processor.DataUnit;
 import org.apache.nifi.processor.ProcessContext;
 import org.apache.nifi.processor.exception.ProcessException;
 import org.apache.nifi.processor.util.StandardValidators;
@@ -105,6 +106,12 @@ public class FTPTransfer implements FileTransfer {
         .required(false)
         .sensitive(true)
         .build();
+    public static final PropertyDescriptor BUFFER_SIZE = new PropertyDescriptor.Builder()
+        .name("Internal Buffer Size")
+        .description("Set the internal buffer size for buffered data streams")
+        .defaultValue("16KB")
+        .addValidator(StandardValidators.DATA_SIZE_VALIDATOR)
+        .build();
     public static final PropertyDescriptor UTF8_ENCODING = new PropertyDescriptor.Builder()
             .name("ftp-use-utf8")
             .displayName("Use UTF-8 Encoding")
@@ -527,6 +534,7 @@ public class FTPTransfer implements FileTransfer {
             }
         }
         this.client = client;
+        client.setBufferSize(ctx.getProperty(BUFFER_SIZE).asDataSize(DataUnit.B).intValue());
         client.setDataTimeout(ctx.getProperty(DATA_TIMEOUT).asTimePeriod(TimeUnit.MILLISECONDS).intValue());
         client.setDefaultTimeout(ctx.getProperty(CONNECTION_TIMEOUT).asTimePeriod(TimeUnit.MILLISECONDS).intValue());
         client.setRemoteVerificationEnabled(false);