Ethernet Cables Compared: Cat 6, Cat 6a and Cat 8
The Cable Matters Cat 6 Snagless Ethernet Cable is our top pick for most homes, handling gigabit and multi gigabit runs without fuss. Amazon Basics Cat 6 is the best value for bulk buying, while Monoprice SlimRun Cat6A suits tight cable routes.
For nearly every home network the Cable Matters Cat 6 Snagless Ethernet Cable is the right choice, with Amazon Basics Cat 6 for buying several at once and the Monoprice SlimRun Cat6A where cables have to squeeze behind furniture. Outdoor and buried runs need the shielded DbillionDa Cat 8 instead.
Ethernet cable buying is distorted by category numbers, because a Cat 8 cable cannot make a gigabit router faster and most homes never approach the limits of Cat 6. We compared category ratings against realistic speeds, along with shielding, conductor material, jacket ratings, connector construction and length options, then ranked seven cables below by the job each one is genuinely built for.
What we recommend
Cable Matters Cat 6 Snagless Ethernet Cable
This is the cable that fits almost every home situation, supporting gigabit easily and multi gigabit over the shorter runs a house actually needs. The snagless boot protects the clip, which is the part that breaks on cheap cables and leaves a connector loose in the port. Owners report the jacket stays flexible enough to route neatly.
Pros
- Covers gigabit and short multi gigabit runs
- Protected clip resists snapping
- Flexible jacket routes easily
Cons
- Unshielded, so keep it away from power cables
- Not rated for outdoor or buried use
Amazon Basics RJ45 Cat 6 Ethernet Patch Cable
When you need four cables for a switch, a console, a printer and a desktop, this is the sensible way to do it without overthinking. It meets Cat 6 specification with copper conductors and comes in a wide range of lengths. Build quality is basic but consistent, which is what matters for patch cables that sit undisturbed behind a desk.
Pros
- Cheapest way to buy several at once
- Meets Cat 6 specification properly
- Available in many lengths
Cons
- Basic connector boots
- Jacket is stiffer than premium cables
Monoprice SlimRun Cat6A Ethernet Cable
SlimRun uses a much thinner gauge than standard patch cables, so it slips behind skirting boards, through desk grommets and under doors where a normal cable will not sit flat. It is still rated to Cat 6a for 10 gigabit over longer distances. Based on specifications the thinner conductor suits shorter runs best.
Pros
- Fits where standard cables will not
- Full Cat 6a rating despite the profile
- Very easy to hide behind furniture
Cons
- Thin conductors are less robust
- Best kept to shorter lengths
DbillionDa Cat 8 Outdoor Ethernet Cable
Running a cable to a garden office or a garage needs a jacket built for sunlight, water and temperature swings, which a normal indoor cable does not have. This one is shielded and direct burial rated with a UV resistant outer jacket. The Cat 8 rating is more than most homes need but the weatherproofing is the real reason to buy it.
Pros
- Built for sun, rain and burial
- Full shielding against interference
- Long lengths available
Cons
- Thick and stiff to route indoors
- Cat 8 bandwidth is unusable on home hardware
UGREEN Cat 8 Ethernet Cable
Heavy shielding makes this useful in cluttered setups where ethernet has to run alongside power leads, speakers or a rack of equipment. The braided jacket and metal connector shells add durability where cables get moved often. Owners report it is noticeably thicker and less flexible than Cat 6 patch cables.
Pros
- Full shielding for noisy environments
- Durable braided jacket
- Solid metal connector shells
Cons
- Stiff and awkward in tight bends
- Shielding needs grounded hardware to matter
Jadaol Cat 6 Flat Ethernet Cable
A flat cable lies invisibly under a rug or along a skirting board with adhesive clips, which is the practical answer when drilling walls is not an option. It carries gigabit fine over normal household lengths. The set usually includes clips, which saves a separate purchase.
Pros
- Disappears under rugs and along walls
- Clips usually included
- Easy to run without tools
Cons
- Flat construction is less durable when flexed repeatedly
- Unshielded, so route away from mains cable
Mediabridge Cat6a Ethernet Cable
Cat 6a holds 10 gigabit over longer distances than Cat 6 can manage, which matters for a run from a router at one end of a house to an office at the other. Mediabridge builds it with copper conductors and a moulded strain relief boot. It is a sensible middle ground between basic Cat 6 and unnecessary Cat 8.
Pros
- Holds 10 gigabit over long house runs
- Copper conductors rather than clad aluminium
- Reasonable price for the specification
Cons
- Thicker than Cat 6 patch cable
- Overkill for a gigabit router
How to pick the right one
What the category numbers actually mean Cat 5e handles gigabit and is still fine for most internet connections. Cat 6 adds headroom and supports 10 gigabit over shorter runs, which covers essentially every home. Cat 6a holds 10 gigabit across a full length run. Cat 7 and Cat 8 are aimed at data centre environments and rely on equipment most homes do not own. Buying Cat 8 will not make a gigabit connection faster, because the cable is never the bottleneck at those speeds.
Shielded or unshielded Unshielded twisted pair is the normal choice indoors and is easier to route because it bends more freely. Shielded cable adds a foil or braid layer that blocks electromagnetic interference, which is worth having when ethernet runs parallel to mains wiring, near motors, or through a crowded equipment rack. Shielding only performs properly when the hardware at both ends is grounded, so in a typical home setup unshielded Cat 6 is usually the better practical choice.
Copper versus copper clad aluminium This is the specification that separates a good cheap cable from a bad one. Genuine copper conductors carry signal and Power over Ethernet properly, while copper clad aluminium is cheaper, more brittle and performs worse over distance. Listings that avoid stating the conductor material are usually avoiding it for a reason, so check for pure copper wording before buying anything intended for a permanent run.
Length, routing and connectors Buy roughly the length you need plus a small allowance, since coiled excess is untidy and very long coils can pick up interference. The 100 metre limit applies to a single run before a switch is needed. Snagless boots protect the retaining clip, which is the most common failure point, and for outdoor runs the jacket rating matters far more than the category, since UV and water destroy indoor cable within a season or two.
Side by side
| # | Model | Category | Best for | Score | Price |
|---|---|---|---|---|---|
| 1 | Cable Matters Cat 6 Snagless Ethernet Cable | Cat 6 | Best overall | 9.4 | Check price |
| 2 | Amazon Basics RJ45 Cat 6 Ethernet Patch Cable | Cat 6 | Best value | 9.2 | Check price |
| 3 | Monoprice SlimRun Cat6A Ethernet Cable | Cat 6a | Best for tight spaces | 9.0 | Check price |
| 4 | DbillionDa Cat 8 Outdoor Ethernet Cable | Cat 8, shielded | Best for outdoor runs | 8.8 | Check price |
| 5 | UGREEN Cat 8 Ethernet Cable | Cat 8, S/FTP shielded | Best shielded cable | 8.6 | Check price |
| 6 | Jadaol Cat 6 Flat Ethernet Cable | Cat 6 | Best for running under carpet | 8.3 | Check price |
| 7 | Mediabridge Cat6a Ethernet Cable | Cat 6a | Best budget shielded option | 8.0 | Check price |
Frequently asked questions
Does a better ethernet cable make my internet faster?
Only if the current cable is the bottleneck, which is rare. If you have a gigabit connection and a working Cat 5e or Cat 6 cable, upgrading the cable changes nothing. Speed is limited by the slowest device in the chain.
Is Cat 8 worth buying for home use?
Generally no. Cat 8 targets data centre hardware and short high speed links. Home routers, switches and computers rarely exceed what Cat 6 handles, so the extra cost buys headroom you cannot use.
What is the maximum ethernet cable length?
One hundred metres for a single run before a switch or repeater is needed. Beyond that, signal degrades. Practical home runs are far shorter, so this is rarely a constraint.
Do I need a shielded cable?
Only if the cable runs near sources of interference such as mains wiring, motors or a dense equipment rack. Shielding also needs grounded hardware at both ends to work as intended, so unshielded is fine for most homes.
Can I run an ethernet cable outdoors?
Only with a cable rated for it. Outdoor cable has a UV resistant, water resistant jacket and often a direct burial rating. Indoor cable exposed to weather degrades quickly and can fail within a season.
What is the difference between flat and round cables?
Flat cables hide better under rugs and along skirting boards. Round cables have thicker insulation and better long term durability when flexed. For a fixed run either works, and for a route that needs to disappear, flat wins.
Will a longer cable slow my connection?
Not within the 100 metre limit for a properly specified cable. Very long coiled runs of poor quality copper clad aluminium cable can degrade signal, which is another reason to check the conductor material.
Does the cable matter for Power over Ethernet?
Yes. Pure copper conductors carry power reliably, while copper clad aluminium heats up and performs poorly. For cameras, access points or anything drawing power over the cable, copper is worth insisting on.
Final word
Most people are best served by the Cable Matters Cat 6 Snagless Ethernet Cable, which covers gigabit and short multi gigabit runs with connectors that survive being unplugged. Buy Amazon Basics Cat 6 when you need several at once, and reach for the Monoprice SlimRun Cat6A where a cable has to disappear into a tight route. Only step up to shielded outdoor rated cable when the run genuinely leaves the house.
