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Guru3D.com » News » 2.5 Gbps Ethernet going Mainstream? Realtek launching RTL8125 mobo chip

2.5 Gbps Ethernet going Mainstream? Realtek launching RTL8125 mobo chip

by Hilbert Hagedoorn on: 10/05/2018 08:59 AM | source: anandtech | 18 comment(s)
2.5 Gbps Ethernet going Mainstream? Realtek launching RTL8125 mobo chip

I've been evangelizing faster Ethernet for a year or so now. In the years to come, we will slowly transition to faster Ethernet as 1 Gbps is getting out of fashion.  There's a move coming though, Realtek will be releasing three new 2.5 Gbps Base-T Ethernet controllers.

While Quantia already offers up-to 10 Gbit/s solutions, steps are always small in the world of mainstream technology. And yeah, 2.5 Gbps in theory roughly 325 MB/sec in PHYs that is going to make its way into motherboards. Basically, in the initial launch wave, you're going to notice the RTL8125, RTL8156, and RTL8226. The RTL8125 is the chip to get and will be embedded onto motherboards and is based on a PCI-Express 2.0 x1 host (has 5 Gbps bandwidth, not to confuse with the 2.5 Gbps link).

 

The RTL8156 is designed for USB dongles over USB  3.1 gen 1 (5 Gbps) and then the RTL8226 is a chip that will end up in routers and switches. We think you'll see the new 2.5Gbps implementations real soon, even on some new Z390 motherboards. The standard is obviously backward compatible at 1 Gbps / 100 / 10. For 2.5 Gbps to work, obviously your network infrastructure will need to be updated as well, that means your switches. Cabling will be fine though, even CAT5e can easily reach 5 Gbps.

If you like to have a taste of what super-fast ethernet brings to the table, might I steer you to these two reviews I made (here),(here)?

 







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Corrupt^
Senior Member



Posts: 7114
Joined: 2005-12-02

#5593441 Posted on: 10/07/2018 02:03 PM
There's a disturbing amount of the misinformation here.

The standard is known as mGIG, and the whole point is you can hook up regular ethernet cable and it will negotiate up to as fast as it can support on that cable, so when hardware is replaced the new performance is basically free.

If you want to 10 gigs you can go on eBay and buy a mellanox connector for 60 bucks, switches are more expensive but I've seen them below $500. eBay is great for used server hardware, and the wattage is listed clearly online so you can see how many lightbulbs each piece would equate to.

LTT is also running behind the curve hardware, as 200GE is already in the Dual port Connect-X 6.

They are decent on home hardware but the more they try to play in the enterprise space the more obvious it is that the talent levels there are prosumer at best.

Which totally makes sense, there's no way they'd be able to afford an Enterprise Architect on YouTube money year after year.

To be fair, the only use I can see atm for small businesses or as a consumer is internal data traffic. Anyone working with a lot of big data (usually video if you're a regular consumer or small business) over his internal network can get some usage out of this.

sykozis
Senior Member



Posts: 22098
Joined: 2008-07-14

#5593482 Posted on: 10/07/2018 04:52 PM
Which totally makes sense, there's no way they'd be able to afford an Enterprise Architect on YouTube money year after year.

Some YouTubers make quite a large sum of money. Depends a lot on the number of subscribers to the channel and the number of views per video where ads are shown. Some YouTubers are reportedly making $1M USD and beyond.

Corrupt^
Senior Member



Posts: 7114
Joined: 2005-12-02

#5593497 Posted on: 10/07/2018 05:54 PM
LinusTechTips has an entire crew, server room, etc. So yeah it does make sense for some.

But for solo, one man streamers, the base use to me just seems a NAS with lots of storage and a 2.5 Gbit connection for fast transfers.

illrigger
Senior Member



Posts: 318
Joined: 2017-02-16

#5593910 Posted on: 10/08/2018 07:08 PM
LinusTechTips has an entire crew, server room, etc. So yeah it does make sense for some.

But for solo, one man streamers, the base use to me just seems a NAS with lots of storage and a 2.5 Gbit connection for fast transfers.
For solo one man streamers, trunking gig ports is better anyway - it prevents your streams from stepping on one another. You only need fast connections for single stream transfers, for everything else a trunk is better because it lowers latency. It's also a LOT cheaper, you can get 8-port smart switches for under $100 (you can get a Trend one on Newegg for under $50 right now) that will let you trunk multiple gig connections, and a lot of mid-range routers let you do it out of the box now too.

lord of shadows
Junior Member



Posts: 9
Joined: 2017-12-20

#5594461 Posted on: 10/09/2018 09:12 PM
I don't see many 2.5 gbps switches about, if you have to spend the money on 10 gig base-t switch, might as well spend the extra cash on the Aquantia AQC107 Ethernet card

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