connectx-3

Seen a few of these Mellanox ConnectX-3 MCX354A-QCBT 40Gbps InfiniBand Dual Port QSFP High Profile going dirt cheap on ebay UK and was wondering what switch and cabling is recommended to connect 3 servers together and a switch that has a dual RJ45 10G port and provides 1G connections, price is...

Hi folks I have two switches (SX6036 and ICX7450) with 40gb qsfp+ ports that I'd like to use for connecting to the router. My current router that I purchased before I got the switches with sfp/qsfp ports only has RJ45 that can handle 2.5gb (this cwwk box). I could go down the path of...

I need to access two vlans (vlan 10 and vlan 20) from my windows 11 machine. On my switch I have a trunk with the two tagged vlans. On windows, I created a vswitch and then two interfaces. I set the ID on interface A to 10 and on B to 20. The problem is that in order for them to work I still...

Hi everyone! I have a Proxmox 7.4-17 with a Debian 11.6 (“Bullseye”) on my computer. I have the following network card: Device Type: ConnectX3Pro Part Number: ... Description: HP InfiniBand FDR/Ethernet 10Gb/40Gb 2-port 544+QSFP Adapter PSID: HP_1370110017...

tl;dr - I'm trying to connect a ConnectX-4 MCX4131A-BCAT to a ConnectX-3 MCX354A at 40GbE. My Kaiam XQX2502's only seem to negotiate 1GbE. Is there a transceiver that will get me back to 40Gbps? Previously, I had two ConnectX-3 MCX354A's connected (Windows to Linux) with Kaiam XQX2502's linked...

Hi, this might be a dumb question but do ConnectX-3 cards support speeds like 2.5gb and 5gb in EN mode because, i have been looking into getting one for my server and want to know if i will need a more expensive switch?

Dell Precision 3650 Tower Workstation $1200 quantity: 2 8 core Xeon W-1370 / 24GB DDR4 / 256GB NVME with Windows 10 + 12TB HDD + **Dell warranty** valid through **3/09/2025** (see bottom for more specs) Buy both $2350 NVIDIA PNY T1000 8GB $375 quantity: 1 Plays Elden Ring on Ultra at 1080...

Being a freshman on SR-IOV config, I'm desperate and would like to hear some advice from experts. What I'm trying to do is to setup a 10GE direct link, without involving switches, between my desktop and my home server. The intended usage is to split LAN and Internet access from my desktop...

I looking for a better understanding on the difference between IPOIB and ETH mode on ConnectX-3 adapters (40/40 IB/Eth) Couldn't find answers to my questions online; if someone could point me towards the right direction, it would be much appreciated. 1. My understanding is the IPOIB runs on top...

Hello, My lab is a HyperV cluster composed of 4 x HP DL170e servers and 1 x Dell RX720XD with Windows Server 2019. HP Servers > HyperV Hosts Dell Server > Storage Server (ISCSI and SMB). I purchased 1 ConnectX3 40GB dual port card for the Dell server (part number MCX354A-QCBT). HP servers...

we plan to connect them between mellanox cx3 and 40gb qsfp eternet switch should it work ?

I'm using a pair of dual port Connectx-3 cards (Part# MCX354A-FCBT on FW 2.42.5000 ) and I seem to be stuck at 10Gb. My ultimate goal is to get to pure Infiniband connectivity between the servers and the storage. I have Dell PowerConnect 8132(N4032) switches AND a pair of Mellanox IS5022...

*** SOLD *** I have the following for sale as a bundle: 2x Molex 106410-1002 Fiber Optic Cable Assemblies QSFP AOC 40G 1.2, 2m 2x HP/Mellanox 649281-B21 ConnectX-3 VPI FDR IB Infiniband + 40GbE QSFP Adapter Cards. These cards are equivalent to Mellanox part number MCX354A-FCBT and have had...

I picked up a nearly-new Epyc motherboard through the forums a few days ago, and for some reason it's not picking up my ConnectX-3 card at all (single port, 10GbE, I believe MCX311A-XCAT). I've tried multiple slots, and it's neither included in the IPMI inventory nor in lspci output, and there's...

Hi Bought two cards Mellanox MCX311A-XCAT CX311A ConnectX-3 EN 10G Ethernet 10GbE SFP Network Card for a Peer to Peer (Ubuntu to Windows 10) First didn't initialise - then initialised - now not :( Try swapping cards over - no change Tried without fixing card, just in case screw...

We've been buying reasonably priced Mellanox Connectx-3 SFP+ 10Gbe NICs over the past couple of years, usually for around $17 to $20 on ebay (US). These days however, all these cards are priced at around $40. :( Any recommendations for good alternatives? I've seen some dual-port SolarFlare...

Hello, I just bought a few of these from the popular eBay listingthat seems to have a huge quantity. I'm trying to install one of them in a Windows 10 gaming rig, which has an i9-9900k on an Aorus Master Z390. I can't get any of the cards I bought (3) to be recognized by the computer in any way...

This thread is posted in order to pay back our fourms, beacuse the Inspiration comes from here. Will give us a new choice with Two port SFP+ 10GB Ethernet card，cheap and easy ！ This thread tell you how to use a transfer suit to get a cheap 10GB Ethernet card，and a little work...

Hi! So I had an opportunity to grab some Mellanox branded mcx354a-tcbt cards for cheap. Has anyone tried to get 40GB ethernet out of these? I'm planning to use it without any switches or smth, just point-to-point. Since it basically the QCBT with the addition of FDR10, I hope I would be able to...

My question is regarding connecting a few ConnectX-3 devices (SFP+). For my home lab, I am looking to upgrade the connections on 3 systems, all linux. They are already connected at 1gb ethernet and I would like to get them all to 5gb or 10gb if possible. I mention 5gb first because I am not...