Mellanox CX354A dual port FDR Infiniband + 40GigE Ethernet, $299 on Ebay

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Chuckleb

Moderator
Mar 5, 2013
1,017
331
83
Minnesota
I bought a few of the dual port cards, they are the Dell ones. Very easy to flash back to stock image though.

flint -allow_psid_change -d mt4099_pciconf0 -i c:\firmware-filename.bin b

Those single port ones look nice as well.
 

Scott Laird

Active Member
Aug 30, 2014
317
148
43
FYI, I've had to reflash the IBM 40G cards using "custom" Mellanox firmware, more or less as described elsewhere on STH. They didn't want to talk to my 40G switch over QSFT until I flashed them, now they seem to work fine, at least in limited testing.

Flashing 8 cards is kind of a PITA, though, especially when the only convenient machine to use for flashing them only has 1 free PCI-E slot.