diff --git a/opencore_legacy_patcher/efi_builder/storage.py b/opencore_legacy_patcher/efi_builder/storage.py
index e7b10410f..bed24c556 100644
--- a/opencore_legacy_patcher/efi_builder/storage.py
+++ b/opencore_legacy_patcher/efi_builder/storage.py
@@ -152,7 +152,7 @@ class BuildStorage:
         # Apple's usage of the S1X and S3X is quite sporadic and inconsistent, so we'll try a catch all for units with NVMe drives
         if self.constants.custom_model and self.model in smbios_data.smbios_dictionary:
             if "CPU Generation" in smbios_data.smbios_dictionary[self.model]:
-                if cpu_data.CPUGen.broadwell <= smbios_data.smbios_dictionary[self.model]["CPU Generation"] <= cpu_data.CPUGen.kaby_lake:
+                if cpu_data.CPUGen.haswell <= smbios_data.smbios_dictionary[self.model]["CPU Generation"] <= cpu_data.CPUGen.kaby_lake or self.model in [ "MacPro6,1" ]:
                     support.BuildSupport(self.model, self.constants, self.config).enable_kext("IOS3XeFamily.kext", self.constants.s3x_nvme_version, self.constants.s3x_nvme_path)
 
         # Apple RAID Card check
@@ -193,4 +193,4 @@ class BuildStorage:
 
         if self.constants.apfs_trim_timeout is False:
             logging.info(f"- Disabling APFS TRIM timeout")
-            self.config["Kernel"]["Quirks"]["SetApfsTrimTimeout"] = 0
\ No newline at end of file
+            self.config["Kernel"]["Quirks"]["SetApfsTrimTimeout"] = 0