This package NVMUpdate_Package_Silicom_192 is designed to PE425G4i81L-XR-NU for update fw to ver.4.40 ===================================================================================================== Operating System Support ======================== E810_NVMUpdatePackage_v4_40_EFI.tar.gz - for EFI x64 E810_NVMUpdatePackage_v4_40_ESX.tar.gz - for ESX x64 E810_NVMUpdatePackage_v4_40_FreeBSD.tar.gz - for FreeBSD x64 E810_NVMUpdatePackage_v4_40_Linux.tar.gz - for Linux x64 E810_NVMUpdatePackage_v4_40_Windows.zip - for Windows x64