Cabling
Cat5e vs Cat6 vs Cat6a vs Cat8
Which one to use when you're wiring a home, and the one label you can ignore.
6 min readCategory cable decides how fast your wired network can run. Pick the right one and it lasts for years. Pick wrong and you'll hit the limit sooner than you'd like.
TL;DR: For a home or small office today, Cat6a is a good default for new runs. Cat6 is fine for shorter runs. Cat8 is overkill outside a server rack. And "Cat6e" is not a real standard (see below).
The four common types
| Category | Speed | Bandwidth | Practical reach |
|---|---|---|---|
| Cat5e | 1 Gbps | 100 MHz | 100 m |
| Cat6 | 10 Gbps (~55 m) · 1 Gbps to 100 m | 250 MHz | 100 m |
| Cat6a | 10 Gbps | 500 MHz | 100 m |
| Cat8 | 25 / 40 Gbps | 2000 MHz | ~30 m |
Cat5e: still fine for the basics
Up to 1 Gbps at 100 MHz over a full 100 m run. Fine for a single workstation, a TV, or a camera.
Cat6: the common upgrade
Handles 10 Gbps over short runs (around 55 m), 1 Gbps comfortably to 100 m, at 250 MHz with better crosstalk handling. A reasonable default for shorter drops.
Cat6a: the future-proof pick
10 Gbps to a full 100 m at 500 MHz. A good default for new runs you don't want to redo later.
Cat8: the data-center cable
25 to 40 Gbps, but only to about 30 m, at 2000 MHz. Built for short runs inside a server rack. Overkill in a house unless you have a rack and a reason.
About "Cat6e": there is no recognized TIA or ISO standard called Cat6e. It's a marketing label some sellers use to imply "better than Cat6." The real step up from Cat6 is Cat6a. If a quote lists "Cat6e," ask what it actually is.
So what should you run?
- New permanent runs: Cat6a. Pull it once, forget about it.
- Short, budget-conscious drops: Cat6 is fine.
- A dedicated rack with 25G+ gear: Cat8 for those specific short hops.
- Whatever you choose: solid copper, never CCA.
More on that here: why I don't use copper-clad aluminum.
Products
What I'd use
Cat6a, Solid Copper
SupplierRiser-rated, solid copper, tested.
Request quoteKeystone & Patch Panel
CustomTerminated and labeled.
Request quoteNetwork Enclosure
CustomA backboard so the whole run lives in one labeled place.
Request quoteKeep reading