Genuine 54Y9400 Lenovo IBM Preferred Pro USB Wired Black Computer Work Home Office Keyboard Compatible Part Numbers: 41A5289, SK-8825, 54Y9400, KB1021 Genuine IBM Lenovo Black Preferred Pro USB Wired Computer Keyboard Connector: USB Wired | Does not include palmrest** Color: Black | Plug-In-Play Compatible Part Numbers: 41A5289, SK-8825, 54Y9400, KB1021 Compatible with any computer that uses USB connection