Hi John, The breakout cable assembly that is recommended on the X410 Knowledge Base <https://kb.ettus.com/X410#10_Gigabit_Ethernet> is NI part number 788214-01. This is a Molex cable, part number 1003451101. I've also personally used the NVIDIA (Mellanox) MCP7F00-A003.
The X410 port is QSFP28 and the X410 does support up to 25 Gbps per lane, since this is what 100 GbE uses, so the 28 cables are generally recommended. Thanks, Wade On Fri, Aug 8, 2025 at 8:43 AM Mann, John - 0662 - MITLL <[email protected]> wrote: > So far, we have only used our X410s on servers with 100 Gbit QSFP28 > ports. We now have an application that requires a connection to a server > that only has 10 Gb (SFP+) ports. > > > > It is my understanding that the X4_200 FPGA image supports using the Port > 0 QSFP28 interface as 4x10GbE connections. > > > > My question is which cable assembly I need to purchase to accomplish this… > > > > There appear to be adapters that go from QSFP+ to 4xSFP+, and there appear > to be ones that go from QSFP28 to 4xSFP28. > > > > I am a bit confused about which to buy. If someone has done this already, > and can recommend a particular product that they know works, that would be > great! > > > > Thanks , > > > > John Mann > > MIT Lincoln Laboratory > _______________________________________________ > USRP-users mailing list -- [email protected] > To unsubscribe send an email to [email protected] >
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