Amazon.com: New Super Multi Slim DVD Optical Drive Replacement for Asus Q500A Q400A U56E U56E U46E U47A U52F U50F U43F X553 X553M X553MA Laptop Dual Layer 8X DVD RW DL Recorder 24X
Asus X540UP specifications
Asus VivoBook X540SA-BPD0602V Disc Drive Disassembly - iFixit Repair Guide
Genuine FOR Asus Vivobook X540 X540U X540UA X540M X540MA HDD DVD Connector Board X540UV_ODD - AliExpress
Replacement Parts for X540UP | Asus Accessories
Asus VivoBook X540SA-BPD0602V Disc Drive Disassembly - iFixit Repair Guide
Optical Drives - All series|ASUS Global
Internal DVD Drive - All Models|Optical Drives|ASUS Global
CD/DVD-RW Optical reader internal for Asus X540UA Computer Laptop