This is a Dell Computer Docking Station Model No. PPX For use with Adapter Model PA-8 and PA-9 when I tested this docking station with a lapton it powers up, locking and unlock buttons work,(laptop is not included) Note: Not familiar with the workings of some of the electronics I have listed, please do not purchase unless you are familiar with the model you wish to purchase, I will state as best I can the condition, tested, parts included, etc, no guarantees, please no returns Part of an estate sale of an electronics store, lots to come Shipping: If you are buying more than one item, please remember to check off the area that requests the seller to send an invoice, so I can combine the order for you before you pay. I offer several methods of shipping, choose which is best for you. Thank you again for browsing in my store, there is always something new and exciting coming your way! Feel free to ask questions, and let me know if there is a problem with an order before putting in a claim with, so we can work things out. Thank you again Estate Treasures by Alana