This seems likely. 

Sent from my iPhone

> On Apr 1, 2022, at 12:51 PM, Cédric Hannotier via USRP-users 
> <usrp-users@lists.ettus.com> wrote:
> 
> Hi Rob,
> 
>> On 01/04/22 10:40, Rob Kossler wrote:
>> I am trying to copy some large files (~500MB) from the N310 to the host.
>> The transfer rate I get using scp or sshfs (mounting in either direction)
>> is about 12MB/s. Given that the interface itself can do >100MB/s, I'm
>> wondering if there is a faster method. One thing I tried was to setup a RAM
>> file system on both the N310 and the host and copy from one RAM file system
>> to the other. But, still no better than 12 MB/s. Any ideas on faster
>> transfers?
> 
> Could it be the N310's CPU that cannot encrypt faster than 12 MB/s?
> There should be a process with almost 100% CPU in "top -o +%CPU" in that case.
> If this is the case and it is a direct connection,
> you could drop the need of encryption to speed up the transfer
> (eg. python -m http.server, tar + nc).
> 
> Regards
> -- 
> 
> Cédric Hannotier
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