The real fork is specialized function versus standard keyboards
Ergonomic split keyboards win when they can reduce shoulder and forearm rotation by separating or angling the typing halves and that function removes a known recurring problem. standard keyboards win when they reach the same outcome with fewer dependencies, less maintenance, a more understandable failure mode, or a cleaner return path.
Normalize fixed versus adjustable split and tenting and palm-support options
Compare both paths across the same desk, body position, computer, operating system, cable reach, workday, and shared-device routine, with every required dependency included. A complete ergonomic split keyboards package should not be compared with an incomplete alternative, and a retailer headline should not replace product-level compatibility evidence.
Use key layout and thumb clusters and desk width, pointing-device position, and learning curve as tie-breakers
In a ergonomic split keyboards comparison, key layout and thumb clusters and desk width, pointing-device position, and learning curve reveal the friction that appears after an attractive demo. Choose the path that can be installed, used, cleaned, updated, and recovered by the people who will actually own it. Prefer the simpler failure mode when performance is otherwise close.
Compare ownership, not only purchase price
Ergonomic split keyboards bring an ownership path of learning time, replacement palm rests, cables or batteries, remapping software, and the return path if symptoms or productivity worsen. Price that against the maintenance and replacement work of standard keyboards over one normal year. Include the value of time and the cost of losing the service while a proprietary part, account, or repair is unavailable.
Make the choice reversible
Use this test path before the return window closes: start with modest separation and tenting, keep the mouse close, practice short sessions, and change one ergonomic variable at a time. Preserve the old setup and packaging until the product survives normal use. Choose the alternative immediately when pain is increasing, the layout forces excessive reaching, or the buyer expects a keyboard to replace medical or workstation assessment.