The TKL (tenkeyless) label clues you in that, unlike a full-size keyboard, the G915 X Lightspeed has no numeric keypad.
A new take on a low-profile pioneer fixes what few flaws were present - but the Logitech G915 X hasn't really evolved anywhere else ...
The actuation force in my clicky keys is just 48 g ... for 20 extra dollars and a bigger frame, the full-size G915 X keyboard ...