diff --git a/examples/benchmark_buffer_size/benchmark.py b/examples/benchmark_buffer_size/benchmark.py
index ae46fda..af6afb1 100755
--- a/examples/benchmark_buffer_size/benchmark.py
+++ b/examples/benchmark_buffer_size/benchmark.py
@@ -16,7 +16,6 @@
 from tensorizer.stream_io import (
     CURLStreamFile,
     RedisStreamFile,
-    default_s3_read_endpoint,
     open_stream,
 )
 
@@ -117,20 +116,34 @@
 parser.add_argument(
     "--convert-json", default="", help="Convert JSON to human readable"
 )
+parser.add_argument(
+    "--s3-endpoint",
+    type=str,
+    help="The S3 storage URL to load the models from (default: accel-object.ord1.coreweave.com)",
+    default="accel-object.ord1.coreweave.com"
+)
+parser.add_argument(
+    "--bucket",
+    type=str,
+    help="The bucket where the models are located (default: tensorized)",
+    default="tensorized"
+)
 args = parser.parse_args()
 
 model_name: str = args.model
 
-http_uri = (
-    "http://tensorized.accel-object.ord1.coreweave.com"
-    f"/{model_name}/model.tensors"
-)
+http_uri = f"http://{args.bucket}.{args.s3_url}/{model_name}/model.tensors"
+
 https_uri = http_uri.replace("http://", "https://")
-s3_uri = f"s3://tensorized/{model_name}/model.tensors"
+s3_uri = f"s3://{args.bucket}/{model_name}/model.tensors"
 sanitized_model_file = model_name.replace("/", "_")
 file_uri = f"{args.file_prefix}{sanitized_model_file}.tensors"
 local_uri = f"http://localhost:3000/{sanitized_model_file}.tensors"
 
+s3_endpoint = f"http://{args.s3_url}"
+if args.test_http:
+    s3_endpoint = s3_endpoint.replace("http://", "https://")
+
 # Get nodename from environment, or default to os.uname().nodename
 nodename = os.getenv("K8S_NODE_NAME") or os.uname().nodename
 
@@ -367,6 +380,7 @@ def io_test(
 
 def deserialize_test(
     source=http_uri,
+    s3_endpoint=s3_endpoint,
     plaid_mode=False,
     verify_hash=False,
     lazy_load=False,
@@ -378,7 +392,7 @@ def deserialize_test(
         plaid_mode_buffers = None
     stream = open_stream(
         source,
-        s3_endpoint=default_s3_read_endpoint,
+        s3_endpoint=s3_endpoint,
         buffer_size=buffer_size,
         force_http=force_http,
     )