To have a faster-than-Gigabit experience, whether for Internet or Wi-Fi, we need a wired connection that delivers multi-Gigabit performance in real-world use. And that’s where Multi-Gig Ethernet — “Multi-Gig” for short — comes into play.
You’ll learn all about it in this post, but the gist is that if your home network is currently wired for Gigabit, there’s nothing you need to do regarding cabling — it’s ready. However, if you’re in the process of building or remodeling your home, consider adding CAT6a or higher cable grades to the budget.
Most importantly, get your home wired. It will make a huge difference now and in years to come. With that, let’s start with what Multi-Gig in Multi-Gig Ethernet means.
Multi-Gig Ethernet: The base of multi-Gigabit Internet and Wi-Fi
To qualify as multi-Gigabit, a networking party involved — a router, a client, a broadband connection, or a cellular device — must deliver a sustained rate of 2Gbps or faster in a single link.
If a device or service can deliver faster than Gigabit but slower than 2Gbps, it remains in the Gig+ realm, which is quite nice but not the topic of this post.
Tip
Gig+, or Gig Plus, denotes a speed grade between 1Gbps and 2Gbps. So, it’s 1.5Gbps, give or take a couple of hundred megabits per second, and it’s not speedy enough to qualify as Multi-Gig Ethernet or multi-Gigabit. Intel coined the term to describe its Wi-Fi 6E client chips, the AX210 and AX211, in terms of their real-world speeds.
Gig+ primarily applies to sustained Wi-Fi 6 or Wi-Fi 7 speeds via a 2×2 at 160MHz connection, or to broadband internet speeds.
Multi-Gig Ethernet is one of many ways to experience multi-Gigabit connectivity. It’s the friendly name for the decade-old BASE-T wired network standard, IEEE 802.3bz, introduced in 2016, designed to deliver beyond Gigabit (1GBASE-T) by leveraging the same infrastructure. It’s backward compatible with Gigabit and Fast Ethernet (100MBASE-T).
Multi-Gig has two tiers: 2.5Gbps (2.5GBASE-T) and 5Gbps (5GBASE-T). The number indicates the maximum connection speed they can deliver — the actual speed depends on the devices involved — and a Multi-Gig port supports any lower speed, such as that of a broadband connection.
That raises the question of the 10Gbps (10GBASE-T) standard, available on many switches and routers: Is 10Gbps part of Multi-Gig Ethernet? To answer this question, we first need to address the elephant in the room: the difference between BASE-T and SFP.
BASE-T vs. SFP+
BASE-T (or BaseT) is the standard port type for data communication and refers to the 8-position, 8-contact (8P8C) wiring method used in copper network cables and their connectors at both ends.
This type is known by the misnomer “Registered Jack 45” (RJ45), which is more commonly used. For decades, RJ45 has been the go-to standard for consumer-grade and office network connectivity.
Generally, copper network cables can support up to 10Gbps connection speeds and feature the following speed grades:
- Standard Ethernet: 10Mbps
- Fast Ethernet: 100Mbps
- Gigabit: 1000Mbps
- Multi-Gig Ethernet: 2.5GbE (2.5Gbps) and/or 5GbE (5Gbps)
- 10GbE: 10000Mbps
RJ45 ports and cables are interchangeable and backward-compatible across speed grades.
On the other hand, the SFP, now with its popular SFP+ (plus) variant, is used for both telecommunications and data communications, primarily in enterprise applications. SFP stands for Small Form Factor Pluggable and is the technical name for what is often referred to as fiber.
The SFP port standard and wiring are strict in configuration and physical attachment, offering better reliability and performance. For data communication, it supports the following speed grades:
- SFP: Gigabit (1000Mbps)
- SFP+: 10GbE (10Gbps), backward compatible with SFP
- SFP28: 25GbE, backward-compatible with SFP+ and SFP
- QSFP+: 40GbE (40Gbps)
- QSF28: 100GbE (100Gbps), backword compatible with QSFP+
BASE-T vs. SFP (a.k.a copper vs. fiber): While physically different, both are part of the Ethernet family, sharing the same networking principles and Ethernet naming convention as shown above. However, the two only share Gigabit and 10GbE. SFP is the only standard that can go beyond 10GbE.
Generally, you can get an adapter, called a “transceiver”, to connect a BASE-T device to an SFP or SFP+ port. In this case, keep in mind that a particular adapter might only work (well) with the SFP/+ port of certain hardware vendors.
The BASE-T wiring is more popular thanks to its simple design and support for speed, flexibility, and low costs. In recent years, more and more networking hardware (routers and switches) has featured both of these port types.
10Gbps and Multi-Gig Ethernet
While the SFP port type is definitely not part of Multi-Gig Ethernet, 10Gbps BASE-T is both yes and no.
No, because the 10GBASE-T wired standard predates the concept of Multi-Gig Ethernet. It’s the friendly name of the IEEE 802.3an-2006 specification, first available in 2006, a decade before Multi-Gig Ethernet mentioned above.
Per its specifications, 10GBASE-T requires CAT6 (or later) cable grade to deliver 10Gbps. When connected to lower-grade CAT5e cabling, this standard only supports Gigabit speeds.
As a result, to take advantage of IEEE 802.3an-2006’s 10Gbps bandwidth, a CAT5e-ready home would need rewiring, which is a high-cost, labor-intensive task. A decade or so ago, Gigabit was more than fast enough — it’s still plenty fast today in most cases — and CAT5e wiring has been widely used. Consequently, the 10Gbps BASE-T standard has never taken off due to the rewiring requirement.
In fact, this inflexibility of the original IEEE 802.3an-2006 is the reason the new Multi-Gig Ethernet standard, IEEE 802.3bz, was formed in 2016 to fill 2.5Gbps and 5Gbps in the gap between Gigabit and 10Gbps, while remaining compatible with all previous BASE-T standards.
Most importantly, Multi-Gig Ethernet leverages existing CAT5e cabling and instantly turns the popular Gigabit wiring into multi-Gigabit. It also supports CAT6 and all higher cable grades.
And here’s the exciting part: With the availability of Multi-Gig Ethernet, the IEEE 802.3an-2006 was also fine-tuned to support CAT5e. As a result, all modern routers and switches that support 10GBASE-T can deliver 10Gbps over CAT5e, albeit over shorter cable lengths than CAT6 or higher grades.
The maximum length to which each type of network cable can deliver up to 10Gbps:
- CAT5e: 45 meters (148 feet)
- CAT6: 55 meters (180 feet)
- CAT6a: 100 meters (328 feet)
- CAT7: Over 100 meters
With the Multi-Gig Ethernet standard, you can expect the popular CAT5e cable to deliver 10 Gbps-grade speeds in most cases. In the worst case, a solid 5Gbps sustained speed is generally guaranteed.
Indeed, since 2016, virtually all switches and routers with 10GBASE-T ports have also supported Multi-Gig (5Gbps, 2.5Gbps), Gigabit, and lower RJ45 grades. They feature both IEEE 802.3an (2006) and IEEE 802.3bz (2016).
Consequently, yes, it’s safe to count the 10GBASE-T standard as part of Multi-Gig Ethernet, though technically both are part of multi-Gigabit Ethernet. But that’s only semantics.
Tip
Network hardware needs at least two 10GbE network ports, high processing power, and compatible firmware to deliver top real-world performance at this grade.
Generally, consumer-grade 10GbE-capable routers and switches do not deliver true 10Gbps (10,000Mbps) throughputs. After “overhead”, they sustain between 6.5Gbps and 9Gbps. Traffic-related features, such as QoS and security, when enabled, can adversely affect its bandwidth.
Hardware supporting the entry-level Multi-Gig, 2.5GbE, often can deliver closer to 2.5Gbps in real-world performance.
Multi-Gig Ethernet and you
To take advantage of the Multi-Gig Ethernet standard, a home needs to be wired with network cables. If it already has CAT5e, this standard saves you from running new network cables.
If you have good coax wiring for Cable TV, you might be able to get away with using MoCA.
However, if you need to run new cables today, pick CAT6a or a later grade — in fact, you should also consider fiber wiring if you want faster-than-10Gbps in the future.
If you think you don’t need Multi-Gig because Gigabit is already fast enough, you might be right. However, remember that a Gigabit connection doesn’t deliver true 1Gbps (1000Mbps) sustained rates. After overheads, you’ll get between 500 Mbps and 900 Mbps. So, Multi-Gig is the only way to have a real Gigabit.
That said, if you want to enjoy Gigabit broadband, you need a router with a Multi-Gig WAN port. For the same token, if you want to experience multi-Gigabit Internet, such as a 2Gbps or 6Gbps broadband plan, then you need a router with a 2.5Gbps or 10Gbps WAN port, respectively. Now, if you have 10Gbps broadband, the top-tier 10Gbps Multi-Gig port can only give you around 9000Mbps at most after overhead — it’s time to think about fiber.
In any case, Multi-Gig Ethernet has slowly become the norm, whether you think you need it or not.
Top 5 best 10Gbps Multi-Gig routers
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| Name | Ubiquiti Cloud Gateway Fiber (UCG-Fiber)’s Rating | ASUS ROG GT-BE19000AI’s Rating | Ubiquiti UniFi Dream Machine Pro Max (UDM-Pro-Max)’s Rating | TP-Link Archer GE800’s Rating | NETGEAR Nighthawk RS700S’ Rating |
| Price | – | – | – | – | – |
| Rating | |||||
| Description | |||||
| Statistics | |||||
| Buy this product |
How to upgrade your home to Multi-Gig Ethernet
Assuming your current home is wired for Gigabit — again, that’s CAT5e or higher — you can easily upgrade it to Multi-Gig via a qualified hardware (routers or switches).
To have a Multi-Gig connection, the two devices at the ends of a link must support this standard, and the data throughput between them is always capped at the slowest device’s rate.
You’ll also find routers or switches with just one Multi-Gig port, with the rest being Gigabit. In this case, the Multi-Gig port is not useless. The device hosted by a Multi-Gig port can simultaneously deliver full Gigabit connections to multiple devices.
For example, a server connected at 5Gbps to a router can theoretically deliver full 1Gbps speeds to up to five Gigabit devices simultaneously.
Many home routers have just a single Multi-Gig port. In this case, the port can operate exclusively on the WAN or selectively on the WAN or LAN side. The former (WAN side) is for those with super-fast broadband, and the latter is for those with a super-fast local client, such as a NAS server.
However, to have a genuine multi-Gigabit connection, we need a router or switch with at least two Multi-Gig ports. The more high-speed ports, the better, and a Multi-Gig switch will help.
Tip
Devices connected to a switch will have the switch’s speed grade independent of the router. So, for local Multi-Gig connectivity, you don’t need a Multi-Gig router, just a switch.
Specifically, if you have a Gigabit router — the case for most existing routers — and a Multi-Gig switch, wired devices connected to the switch will enjoy Multi-Gig speeds between themselves as long as they also support 2.5Gbps, 5Gbps, or 10Gbps.
Top 5 best Multi-Gig network switches
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| Name | Ubiquiti Switch Pro XG 8 PoE’s Rating | TP-Link Omada SG2210XMP-M2 Smart Switch’s Rating | Ubiquiti UDB Switch’s Rating | Zyxel XS1930-12HP’s Rating | TRENDnet TEG-S750’s Rating |
| Price | – | – | – | – | – |
| Rating | |||||
| Description | |||||
| Statistics | |||||
| Buy this product |
Multi-Gigabit: Wi-Fi vs. Multi-Gig Ethernet
Even though the latest Wi-Fi standards can deliver multi-Gigabit speeds on paper, that only happens if the access point (or router) has a multi-Gigabit uplink. Specifically, if an access point has a Gigabit uplink port, its Wi-Fi bandwdith will be limited to 1000Gbps, regardless of the standard.
That’s not to mention Wi-Fi is always half-duplex and suffers greatly from signal loss over distances.
Network connection: Wi-Fi vs. Wired
- Wi-Fi: Partial bandwidth and always half-duplex. Data moves in one direction at a time using a portion of a band (spectrum) called a channel. Half-duplex is similar to walkie-talkie voice communication.
- Wired (Ethernet):
- Networking cables: Full bandwidth and (generally) full-duplex. Data travels using the entire cable’s bandwidth and in both directions simultaneously. Full-duplex is similar to a phone call in voice communication.
- MoCA: Likely half-duplex, depending on the standard, but with comparable speed and reliability to network cables of the same port grade.
- Powerline: Always half-duplex, highly susceptible to interference by plugged-in appliances, slow real-world rates.
Wi-Fi is super convenient, but it’s only relevant when operating over a reliable, fast wired uplink. At reasonable distances, Wi-Fi is much better than Powerline.
For this reason, all Wi-Fi 7 routers come with Multi-Gig Ethernet ports. That’s the minimum to deliver top Wi-Fi speeds.
That’s to say, if you want to enjoy the fastest possible Wi-Fi speeds, get your home wired and have at least a Multi-Gig switch to connect devices, including your Wi-Fi access points.
Real-world Multi-Gig Ethernet speeds
In networking, there’s a difference between theoretical and sustained real-world speed. While wired connections have less overhead than Wi-Fi, the Multi-Gig standard has its own discrepancies.
After testing dozens of routers and switches with Multi-Gig Ethernet ports, I’d say we need to discount their ceiling speeds by 10 to 40 percent to get real-world performance. Below are the wired performance charts for popular switches and routers with two or more Multi-Gig Ethernet ports that I’ve tested over the past few years.
Generally, the higher the grade, the higher the percentage of potential bandwidth loss. Specifically, 2.5GBASE-T delivers closer to 2500 Mbps of sustained speed than 10GBASE-T, which is 10000 Mbps.
In any case, Multi-Gig Ethernet has proven to be consistently fast enough to deliver a true multi-Gigabit experience, and that’s a good thing.
The takeaway
In many ways, the Multi-Gig standard (2.5Gbps and 5Gbps) is somewhat of a “hack” to significantly exceed 1Gbps in a wired network using existing CAT5e (or higher-grade) cabling.
This standard is a lesser variant of 10GBASE-T, though the two are now blurred into one, and a sweet spot that allows us to take full advantage of Wi-Fi 7 (and the upcoming Wi-Fi 8) without replacing the existing infrastructure.
If you’re into this non-compromising performance, get your home wired and a pair of a Multi-Gig switch and a Multi-Gig router. The result can be pretty exciting, especially if you have Gigabit or faster broadband.
Dong’s note: I first published this post on November 23, 2021, and updated it on June 14, 2026, to add up-to-date information.
Hi Dong,
Thanks writing this. Currently, I am on a 1GB broadband but I get is 500 to 600+ I cabled up with Cat 6/7. Is it worth going for a Multi-Gig setup to improve the speed? Thanks for advice!
Multi-Gig will only help, Hector. Note, though, that speed testing can be complicated.
Many thanks Dong, I totally get what you mean about the speed and testing. It’s good to know that from your experience, that Multi-Gig will help, even for a non multi-gigabyte setup.
Yeap, Hector. You need Multi-Gig hardware to enjoy true Gigabit. Gigabit hardware can only give you sub-Gigabit at best. More here.
Thanks Dong! My broadband provider doesn’t have 2.5Gb available yet so I’ll definitely go multi-Gig in the meantime.
I have a 1GB broadband running on a 3 -TP link Deco X68 setup, where the 2 satellite X68s are wired via Cat 6/7 cables to the main X68 via a switch. I typically get speeds between 500 to 600+mbps.
To get to a Gigabit speed via a multi gig set up, can I get away with just replacing the main X68 with a BE85 and the switch to a Multi-Gig one?
Or will I need to get a 3-pack BE85?
You need Multi-Gig at each unit. So one of these.
Thank you Dong, for your patience and advice! It looks like I’ll have to go for a 3-pack BE85 then 😄
👍
Hi Dong,
I am currently reading (and re-reading) your articles regarding multi-gig. It’s hard for me to visualize without the actual practical hands-on experience I suppose. But I am trying.
I have Ziply 1gig fiber being installed this week at my new apartment (965 sq ft.). Without much detail, they told me they will be utilizing ReadyLinks and probably converting the phone jack (cat3?) into an ethernet port (I don’t see what other option there is, it’s not coax/moca). I’m not sure if these details should affect my setup or choice of router.
I’ll try to ask my question simply, if that is possible:
I have an ax86u router, and my motherboard has 1gb LAN port (Z370 aorus). To make the most of the 1gig fiber service (if its worth it), do I need to upgrade anything? Should I be looking at buying a 2.5Gbps PCI-E and a router with 2 multi-gig ports (like ax88u)? (I don’t have a NAS).
I don’t know why it’s so hard for me to wrap my head around this. Any insight is much appreciated.
Anything lower than CAT5 will give you 100Mbps, or one 10th of Gigabit, at best, Collin. That’s the wiring — this post on wiring will give you a bit more visual. As for your hardware, you generally don’t *need* more than Gigabit but Multi-Gig only helps. Give this post another good read.
You don’t need to worry about the wiring of the service line, that’s the job of the ISP. As long as you can get the speed yo pay for at the terminal device, you’re good.
Hello Dong! Despite reading it all and more, I could not be sure about the 10Gbps ports. For instance, the RT-BE96U, which has not 2.5Gbps ports. Would it reach more than gigabit speeds with Cat5 cabling? Thank you!
You didn’t read this post at all, Renato. Do that first! Remember that you’re at a no-nonsense website.
Fantastic website, Dong!
I have a Xfinity Gig+ modem connection now but a Linksys Velop Wifi6 mesh system. I would like to get a faster-than-1000 Gbps wired connection for one computer without having to replace the entire Velop setup. Is my only hope to set up a router with Multi-Gig between my modem and the Velop? There’s no way to use a switch to do this? Thanks
There’s no option, Jeff. There’s no Velop that will give you that, for now. Period.
thanks Dong,
this is the article I have been searching for for 12 years.
my Internet went out Sunday and I called epb. And I was informed that they were doing a network upgrade in my area at 1 AM in the morning. The tech mentioned that they were probably planning on upgrading everyone’s plan and I already have the gig. I was wondering if my cat 5e could handle even two gigs. This reignited my long search for true gigabyte Internet even though I get 936 up and down. and thank goodness GOOGLE found you. The TP-Link archer be E 800 is arriving Tuesday and I’m looking forward to true gig Internet. Thank you so much.
👍
Hi, Dong, been awhile since I’ve written. I have a dilemma. Despite a detailed requirements document, a quote & invoice from the electrician all specifying the install of CAT 6 cabling in our new-built home, CAT 5e was installed, and the walls went in. Obviously I was crushed, as the point was to future proof the home so that when our cable company begins to offer speeds in excess of one gig, we would be positioned to adopt to the higher speeds. We’re trying to remediate solutions such as perhaps snaking a smaller set of CAT 6 cables from our network closet to those locations where we would want the higher speeds (entertainment centers, home offices) and leave the majority of house on CAT5e. However, if I read this article correctly, if our router/switch has multi-gig 2.5 or 5 gbps (or even 10?) ports, we should still be able to get greater than 1 gig speeds via the CAT5e within the cable length limit (45 meters)? I’m really praying this is the case. Also, my understanding is that CAT5e cabling is 2/3 the price of CAT6? If I go back to our electrician, I want to be able to reprice the invoice to account for the lower cost of materials. Thank you very much, as always. Brad
Sorry to hear about the mix-up, but that’s correct, Brad. You’ll still get sustained speed over 6Gbps easily with even the cheapest CAT5e cable. I speak from experience. When terminated properly, most would give you close to the max sustained speed of 10GBASE-T in most cases. I wouldn’t worry about speed. Also, use CAT6a or higher if you want to be sure for the future.
As for the cost, I think you need to hold the party involved for the cost rewiring the whole thing. That’s generally the deal. 🙂
Thank you, Dong. That makes me feel better. A follow up, if I may, when you say “When terminated properly…”. Could you expand on that? Thank you, Brad.
Check out this post. Basicaly, if the guy didn’t pay enough attention to the cable grade, he might have done the ports incorrectly, too. So the slow speeds (if that’s the case) might not necessarily be the cable themselves.
Thanks, Dong. The ports haven’t been done yet. So I’ll read through this article and ensure the electrician has it in hand before he wires the cat 5e patch cable.
🤞
Hi Dong
Just come across your website, very informative and interesting thank you.
My ISP is now offering two 1GB fibre broadband to my home.
After reading your reviews I was thinking about the RT-AXE7800 – but it’s not clear if that will support two incoming 1GB lines.
Which router would you recommend that allows aggregation of the two lines to give a multig-gb connection and preferably wifi-6e. I would also need a third port to connect to a multi-Gb switch.
Thank you
You can get any of these routers, Suzie, but pick one with two or more Multi-Gig ports or more to make sure.
I have a question about getting around an issue on a Nighthawk M5 router. can you help?
Prolly not, Wayne. You should contact Netgear or the cellular provider.
Good evening Dong,
Thank you for all the information you provide to novices like me! Your articles and reviews are very easy to understand. You mentioned the Asus ZenWifi et8 is an excellent standalone router. I would like to add a wired backhaul wifi to our guest house from the main house. The guest house is small, so I don’t need mesh, but I would like to have 2.4GHz, 5GHz, and 6GHz in the guest house along with at least one ethernet connection. Would the et8 work in this situation or could you please recommend a good alternative? I haven’t purchased any hardware yet but I am watching the sales pretty closely (trying to keep expenses down). Thank you.
Yes, David. It’ll work out great. Just use it as a router on top of your existing network — a double NAT setup — and you’re all set. More in this post (check out the double NAT section.)
Awesome thank you! I see Costco has the TP-Link Archer AXE7800 for $200. I can get the et8 for around $165 by sharing a 2-pack with my friend. I have 1 Gbps internet service in the main house. Which would you recommend?
Thanks again.
I’d go with the ET8, David. Read its review for more.
Stumbled upon your posts. Liked ‘me
Glad you did, Willy. 🙂
How do I set up 2.5G AiMesh backhaul with RT-AX89X (main router) and RT-AX86U (node)? I have now 1G wired backhaul between them.
You’ll find detailed steps and info on this front in this post, Faisal.
I connected 2.5G 10-base-T port of my RT-AX89X with the 2.5G port of RT-AX86U via CAT6 cable but no success. AiMesh is showing my RT-AX86U offline. Is there any step I’m missing here?
Follow the steps in the post CLOSELY, Faisal. Also, it’ll take a min or two after the restart for things to work. And make sure your network cable is intact. I have no other suggestions.
Hi Dong,
Love your website and reviews. Very educational and detailed while keeping it down-to-earth.
Do you have any information on Asus’s ROG Rapture GT-AX6000?
It seems like it’s a new gaming router with 2 multi-gig ports, 1 LAN and the other configurable as WAN/LAN. I have Gig+ from Xfinity and that may be a great setup for a multi-gig broadcaster that can connect to another multi-gig router that has only 1 multi-gig port (e.g. AX86U).
It’s on their website, but no pricing or availability information. I’m wondering if you know anything.
Thanks,
Ilan
Other than what you already noticed, it’s basically the RT-AC86U, Ilan.
Thanks Dong.
Coincidently, this product (ASUS ROG Rapture GT-AX6000) appeared today for pre-order on Newegg. It says it will be released on Dec 10, and will cost $400.
Cannot wait for the review 🙂
Wow thank you for this!!!
Definitely something I would be interested to get, since I’m going wired with my pc.