The Arista 7280 series has models with moderate amounts of high speed ports
to go along with a larger number of lower speed ports, for example
7280CR3A-24D12 has 24x 100G and 12x 400G
7280CR3A-48D6 has 48x 100G and 6x 400G

/Jesper

On Mon, 15 Dec 2025 at 15:44, Mike Hammett via NANOG <[email protected]>
wrote:

> *nods* Usually, I don't need lots of ports. Usually, just a few will do.
>
> That's the annoying thing: they usually come with (and I'm exaggerating to
> avoid getting caught up in minutiae) two high-speed ports or 50, but rarely
> six, eight, or ten.
>
>
>
> -----
> Mike Hammett
> Intelligent Computing Solutions
> http://www.ics-il.com
>
> Midwest-IX
> http://www.midwest-ix.com
>
> ----- Original Message -----
> From: "Tom Beecher" <[email protected]>
> To: "North American Network Operators Group" <[email protected]>
> Cc: "Mike Hammett" <[email protected]>
> Sent: Monday, December 15, 2025 6:52:56 AM
> Subject: Re: Low Cost 400G??
>
>
>
>
>     * Lots of ports
>     * Lots of FIB
>     * Cheap
>
>
> Pick 2
>
>
> On Mon, Dec 15, 2025 at 2:03 AM Mike Hammett via NANOG <
> [email protected] > wrote:
>
>
> Is it paradoxical to wonder what low-cost full table (or close to it) 400G
> options there are? An earlier thread looks like the Arista 7280QR-C36 is
> "almost" there for 100G at a reasonable $3k, but a quick look at
> 400G-capable goes up, well, 4x in price, though one does get fully into DFZ
> capable devices then.
>
> It seems like anything with more than low 6 digit route capability goes
> into full-scale multi-million capability, which is great technically, but
> not so great financially.
>
>
>
> -----
> Mike Hammett
> Intelligent Computing Solutions
> http://www.ics-il.com
>
> Midwest-IX
> http://www.midwest-ix.com
>
>
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