The USB keyboard that came with the new Dell Inspiron 3670 (Windows 10) is ok, but the keyboard and keys are smaller than the old PS2 keyboard that came many years ago, and still works well, with a Dell Dimension 8300. I looked into PS2-to-USB adapters so that I could use the old keyboard with the new system. I chatted with a Dell agent who said that the adapter and old keyboard would be noticeably slower in response than the USB keyboard. In thinking about this, I asked if the problem was with the adapter itself or with the wiring of the PS2 keyboard. I then got a response from a more senior technical support person who assured me that there would be no issue with slowness if I used the adapter. Has anyone used this adapter for connecting a PS2 keyboard (or mouse) to a USB port and found any performance issues (other than making sure the older drivers are installed into the new system)?