diff --git a/vllm/distributed/kv_transfer/kv_connector/v1/nixl_connector.py b/vllm/distributed/kv_transfer/kv_connector/v1/nixl_connector.py
index 13c7806dbb7ac..c6c86d74ab52c 100644
--- a/vllm/distributed/kv_transfer/kv_connector/v1/nixl_connector.py
+++ b/vllm/distributed/kv_transfer/kv_connector/v1/nixl_connector.py
@@ -985,7 +985,7 @@ class NixlConnectorWorker:
         assert len(local_block_descs_ids) == len(remote_block_descs_ids)
 
         # Prepare transfer with Nixl.
-        CHUNK_SIZE = 100
+        CHUNK_SIZE = 1000
         handles = []
         futures = []
         with ThreadPoolExecutor() as executor: