diff --git a/comfy/customzluda/zluda.py b/comfy/customzluda/zluda.py
index 978f1a5d6..ecc72413c 100644
--- a/comfy/customzluda/zluda.py
+++ b/comfy/customzluda/zluda.py
@@ -507,6 +507,7 @@ except Exception as e:
 
 # # ------------------- ZLUDA Core Implementation -------------------
 MEM_BUS_WIDTH = {
+    k.lower(): v for k, v in {
     "AMD Radeon RX 9070 XT": 256,
     "AMD Radeon RX 9070": 256,
     "AMD Radeon RX 9070 GRE": 192,
@@ -559,7 +560,8 @@ MEM_BUS_WIDTH = {
     "AMD Radeon PRO W6400": 64,
     "AMD Radeon Pro W5700": 256,
     "AMD Radeon Pro W5500": 128,
-    "AMD Radeon Pro VII": 4096, 
+    "AMD Radeon Pro VII": 4096,
+    }.items()
 }
 
 # ------------------- Device Properties Implementation -------------------
@@ -659,8 +661,8 @@ def do_hijack():
             def patched_props(device):
                 props = _get_props(device)
                 name = torch.cuda.get_device_name()[:-8]  # Remove [ZLUDA]
-                props["mem_bus_width"] = MEM_BUS_WIDTH.get(name, 128)
-                if name not in MEM_BUS_WIDTH:
+                props["mem_bus_width"] = MEM_BUS_WIDTH.get(name.lower(), 128)
+                if name.lower() not in MEM_BUS_WIDTH:
                     print(f'  ::  Using default mem_bus_width=128 for {name}')
                 return props
             triton.runtime.driver.active.utils.get_device_properties = patched_props