The short version
Cat6 is enough for many business sites. Cat6A is the better long-life choice when the building is being fitted out from scratch, when high-speed uplinks may matter later, or when dense PoE and Wi-Fi access point upgrades are likely.
| Choice | Best fit | Trade-off |
|---|---|---|
| Cat6 | Most office outlets, phones, printers, cameras and access points | Less future headroom for full 10 Gbps runs |
| Cat6A | New builds, long-life fit-outs, higher-speed backhaul and dense PoE | Larger cable, higher install cost and more pathway planning |
Start with the life of the space
If the business expects to move again in two years, Cat6 may be the sensible spend. If the cabling will stay in the walls for a decade or more, the small extra cost of Cat6A may be easier to justify.
Think about Wi-Fi and PoE
Modern access points and IP cameras can draw meaningful PoE power and may benefit from better cabling, switching and uplinks. The cable choice should be made with the active network design, not separately.
Do not skip testing
The cable category only matters if the link is installed and tested properly. Termination, bend radius, cable path, labelling and certified test results are what make the install supportable later.