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22 facts in comparison
Cat6a Ethernet Cable vs Cat7 Ethernet Cable
This is the comparison most likely to end in a wasted purchase, because Cat 7's extra bandwidth is real in the cable and usually unavailable in the finished link.
Both categories carry 10 Gigabit across a full 100 metres. Cat 7 is rated for 600 MHz to Cat 6a's 500, and it is fully shielded where Cat 6a is unshielded. On those two rows Cat 7 looks like the superior product, and in a shielded ISO installation with GG45 or TERA connectors at both ends, it is.
The problem is that Cat 7 is defined around those connectors, and the equipment in a house or an office uses RJ45. A Cat 7 cord terminated in RJ45 - which is every Cat 7 cord in a retail listing - can only be certified to Class EA, the Cat 6a level. The cable is better; the link is not. Buyers pay for a rating the plug throws away, and get a stiffer, heavier cable for the privilege.
Cat 6a, by contrast, is a TIA standard built for RJ45, specified for alien crosstalk in dense bundles, and the normal choice for 10 Gigabit structured cabling. It is thinner and more flexible than shielded Cat 7, easier to terminate, and cheaper per metre.
The shielding question is the one honest reason to prefer Cat 7, and it applies in factories, broadcast racks and runs alongside power cable - not in a house. Shielding also only works if the shield is grounded through shielded plugs and panels at both ends, which retail cords rarely provide.
For a home or an ordinary office, Cat 6a does everything a Cat 7 cord with RJ45 ends does. Cat 7 is the right answer only where its connectors and its shield are actually installed.
Editor’s note
This is the clearest example in cabling of a number that survives the journey from datasheet to shelf while the thing it described does not. The cable genuinely is better than Cat 6a. The finished link, with ordinary equipment at both ends, is not. Sellers are not usually lying about the cable; they are quietly letting buyers assume that the cable and the link are the same thing.
Shielding deserves a fairer hearing than it usually gets, though. In a run stapled alongside mains cable, or in a workshop full of motors, a screened cable is worth having. The catch is that a shield is only a shield when it is bonded at both ends through shielded plugs and a grounded panel, and retail cords almost never arrive with the rest of that system. An ungrounded shield can behave worse than no shield at all.
Cat 6a's real strength is unglamorous: it is the category the entire connector ecosystem was built around. Every plug, panel, keystone and tester you can buy expects it. In practice that compatibility is worth more than a bandwidth rating you have no way to realise.
Head-to-head points: every spec is scaled between these products only, so a product can score high here and modestly on its own page, where the VS Score measures it against the median of its class.
Where the Cat6a Ethernet Cable beats the Cat7 Ethernet Cable
- Has native RJ45 connector ?
Where the Cat7 Ethernet Cable beats the Cat6a Ethernet Cable
- A higher bandwidth ?600 MHz vs 500 MHz
- S/FTP (braid over foiled pairs) Typical shielding ?S/FTP (braid over foiled pairs) vs U/UTP (unshielded)
- Has shielded construction ?
Key real-world differences
The spec sheet pulls in both directions. These are the gaps big enough to shape the decision — with the actual figures, and what each one means in real-world use.
- Native RJ45 connectorPower & connectorsYes vs No — only the Cat6a Ethernet Cable has it
The category is defined to terminate in a standard RJ45 (8P8C) plug. Categories that are not need GG45 or TERA connectors to meet their rating.
- Typical shieldingConstruction & shieldingU/UTP (unshielded) vs S/FTP (braid over foiled pairs) — advantage Cat7 Ethernet Cable
How the cable is screened against interference. Unshielded is cheaper and more flexible; foil or braid screens protect the signal near motors, mains runs and dense cable bundles.
- Shielded constructionConstruction & shieldingNo vs Yes — only the Cat7 Ethernet Cable has it
The category is normally built with a foil or braid screen, which also requires shielded connectors and a grounded path to work.
- BandwidthSpeed & reach500 MHz vs 600 MHz — 20% more for the Cat7 Ethernet Cable
The signal frequency the cable is tested to; more headroom means more speed and fewer errors on a long run.
Which one should you buy?
There is no single answer — it depends on what you will actually use it for. Match your priority to the pick below.
- Best for speed & reach Cat7 Ethernet Cable takes the category 100 to 82 — driven by bandwidth (500 MHz vs 600 MHz).
- Best for construction & shielding Cat7 Ethernet Cable takes the category 100 to 0 — driven by typical shielding (U/UTP (unshielded) vs S/FTP (braid over foiled pairs)).
- Best for power & connectors Cat6a Ethernet Cable takes the category 100 to 56 — driven by native RJ45 connector (Yes vs No).
- The safe all-rounder Cat7 Ethernet Cable wins 2 of 4 categories and tops the overall VS Score at 91.
Where each one falls short
Cat6a Ethernet Cable
- Typical shielding: U/UTP (unshielded) vs S/FTP (braid over foiled pairs)
- Shielded construction: No vs Yes
- Bandwidth: 500 MHz vs 600 MHz
- 6 specs are unreported (shown as Unknown) and excluded from its scores.
Cat7 Ethernet Cable
- Native RJ45 connector: Yes vs No
- 8 specs are unreported (shown as Unknown) and excluded from its scores.
What matters to you?
Drag the sliders to weight each category and re-rank the products to suit your priorities.
Score breakdown
Speed & reach
Construction & shielding
Power & connectors
Standards & status
Specs last verified October 11, 2026Cat6a Ethernet Cable: 22 of 28 specs verified (79%)Cat7 Ethernet Cable: 20 of 28 specs verified (71%)Unverified specs show as Unknown — never estimated, never scored
What reviewers say
The bottom line
Buy Cat 6a. For a home or an ordinary office there is no version of this comparison in which a retail Cat 7 cord is the better purchase, and the reason is structural rather than marginal: the plug on the end of it discards the advantage you paid for.
The exception is narrow, and you will know if you are inside it. If you are specifying a shielded installation with the connectors Cat 7 was actually designed around, and the run passes through real electrical noise, the category is doing genuine work and this page is not aimed at you.
Everyone else should read a Cat 7 label in a consumer listing as a price increase rather than a specification, and put the difference toward better terminations instead.