February 4, 20224 yr Who can advice an X4 sfp+ mellanox card that will work in my unraid box ? Verzonden vanaf mijn iPhone met Tapatalk
February 5, 20224 yr I am using the MELLANOX CONNECTX-3 on my server. I also have one in my pc. They are connected with a 7m DAC cable. I set up a peer to peer network. My transfer speeds are almost 900mbps from my server to my pc and around 700mbps from my pc to the server
February 5, 20224 yr Another Mellanox ConnectX-3 user here (CX311A), connected to switch via 3m DAC cable
February 6, 20224 yr Author I know.. I have the same thing. Although not peer to peer, I actually have a network switch with two SFP+ cages, one is connected to my server, the other one to my desktop.. Indeed great transfer speeds. However, I was using a Mellanox X8 card (two SFP+ cages but only using one), now I have switched to a new motherboard I do not have a spare X8 slot available but I do have an X4 slot available, which should be fine since a single cage SFP+ is good enough for me. There are however numerous different kind of Mellanox cards available in the second hand market and I was looking for one that is allready known to work with Unraid.. I now purchased this one on eBay: Mellanox MCX311A-XCAT ConnectX-3 10GbE Single-Port SFP+ PCIe3.0 x4 8GT/s Hope it will work, !
February 6, 20224 yr 7 hours ago, Helmonder said: I now purchased this one on eBay: Mellanox MCX311A-XCAT ConnectX-3 10GbE Single-Port SFP+ PCIe3.0 x4 8GT/s Hope it will work, ! That's the exact same card I have (also got mine from eBay) so can confirm it works perfectly, had it in my server for nearly 9 months now.
February 6, 20224 yr Author That's the exact same card I have (also got mine from eBay) so can confirm it works perfectly, had it in my server for nearly 9 months now.That is great news !Did you have to cross flash it in some way ? Or did it work right away ?Verzonden vanaf mijn iPhone met Tapatalk
February 7, 20224 yr Note that you are going to lose your M.2 #1 ("shares" the x4 slot). See your MB manual.
February 7, 20224 yr Author Note that you are going to lose your M.2 #1 ("shares" the x4 slot). See your MB manual. I was trying to find info on this… the pci lanes are shared…. Does that mean one will really be disabled or will they share resources ?Verzonden vanaf mijn iPhone met Tapatalk
February 7, 20224 yr Yeah, that's why I put shares in "". (Since that is the word that Supermicro uses on their X11SCA product page [Link] (see attached) It is really either/or. [I.e., one will be disabled.] Edited February 7, 20224 yr by UhClem
February 7, 20224 yr Author Yeah, that's why I put shares in "". It is really either/or. [i.e., one will be disabled.] Was afraid of that… luckily I still have an x1 port available and a card for that I can put the M2 on :-) will be a bit slower bu good ‘nuff ..Verzonden vanaf mijn iPhone met Tapatalk
February 7, 20224 yr 15 hours ago, Helmonder said: That is great news ! Did you have to cross flash it in some way ? Or did it work right away ? It did work with the firmware that was already installed (can't remember the version though) but I plugged it into a Windows Server based machine to update the firmware to the latest available. There is a Mellanox Firmware Tools plugin available for Unraid but I didn't notice this until after I'd updated via Windows.
February 20, 20224 yr Author Card is in and working ! I moved the M2 to an pci expension card and put the SFP+ in the slot.. Done !
March 20, 20224 yr On 2/20/2022 at 2:23 AM, Helmonder said: Card is in and working ! I moved the M2 to an pci expension card and put the SFP+ in the slot.. Done ! Question. I just got mine and none of the SFP+ dacs will lock in. I tested with my other 1 port connectx-3 and it locks fine on all dacs. Does the 2 port lock in for you? I’m assuming I got a bad one. Edited March 20, 20224 yr by Jclendineng Dang autocorrect
March 20, 20224 yr Author Question. I just got mine and mind of the SFP+ dacs will lock in. I tested with my other 1 port connectx-3 and it locks fine on all dacs. Does the 2 port lock in for you? I’m assuming I got a bad one. What do you mean by “mind of thr sfp+ dacs will lock in “ ?Think you mean “none” ?Did you put them the right way up ?Mine are locking great.Verzonden vanaf mijn iPhone met Tapatalk
March 20, 20224 yr 3 minutes ago, Helmonder said: What do you mean by “mind of thr sfp+ dacs will lock in “ ? Think you mean “none” ? Did you put them the right way up ? Mine are locking great. Verzonden vanaf mijn iPhone met Tapatalk Dang autocorrect 🤣 fixed. Yes the dacs slide in but don’t lock and slide out easily. I assumed it was not expected so I’ll return…eBay seller probably didn’t test.
March 20, 20224 yr Author Dang autocorrect [emoji1787] fixed. Yes the dacs slide in but don’t lock and slide out easily. I assumed it was not expected so I’ll return…eBay seller probably didn’t test. That must be it, mine lock fine.Success !Verzonden vanaf mijn iPhone met Tapatalk
March 20, 20224 yr 8 minutes ago, Helmonder said: That must be it, mine lock fine. Success ! Verzonden vanaf mijn iPhone met Tapatalk A couple standalone connectors work, barely, there is a lot of play though. Never had that happen.
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