This must be one of those rare areas you're not an expert. I can tell by the way you keep saying "10 gig SPF" rather than SFP+
I did know that however I did not feel it was required for me to add that as obviously SPF is slower and does not support 10 gig or that's to my knowledge.
Thanks for your advice here I will make a copy and add it to my spreadsheet and cost it up when I get some time.
SFP, Small Formfactor Pluggable, is 1.25gbit signalling rate, for 1gbit ethernet, be that over Cat5 or MMF/SMF, whatever.
SFP+, is a 16gbit channel, up to 10 gigabit ethernet, or other protocols such as fibre channel at other data rates.
QSFP+, "Quad SFP+", is 4x16 gigabit channels, for 40 Gigabit ethernet (or can be split into 4 10G ethernet connections). Again, non-ethernet protocols are supported.
SFP28, with 28 gigabit signalling rate, is for 25 gigabit ethernet.
QSFP28, you can probably guess, 100 Gigabit ethernet
There are then other more esoteric DD versions for up to 400Gbit ethernet.
SPF isn't a thing. Except in sunscreen.
SFP modules can, generally, go in SFP, SFP+, and SFP28 ports. SFP+ modules can go in SFP+ and SFP28 ports, again, generally. You can get little carriers to put an SFP+ module into a QSFP+ port (it only connects one of the channels).
But as with all enterprise gear, your mileage may vary somewhat, there are vendor locks to worry about, etc. Cisco kit that only likes specific Cisco SFP modules, etc.
The mikrotik switches are relatively
open, although mine don't like the Ubiquti SFP modules I have (1G RJ45). The Mellanox network cards basically accept anything, although even that's not a guarantee. Best to stick as close as you can.
Edited by nemeth782 (Fri 02-Apr-21 18:47:23)