With the price of the ever-popular Mellanox Connect x-3 hovering around $39 for a single port, for $10 you can step up to Intel 10GbE RJ45.
Full height bracket only.
Haven't seen dual-port cards in QTy available for cheaper. Just thought I'd share.
Supermicro AOC-STG-I2T Dual Port 10GB Ethernet PCI-e Adapter High Profile | eBay
Up for Sale is a genuine Supermicro AOC-STG-I2T Dual Port 10GB Ethernet PCI-e Network Adapter High Profile unit. This Supermicro AOC-STG-I2T Dual Port 10GB Ethernet PCI-e Network Adapter High Profile is in good condition and ready to be redeployed.
www.ebay.com
Full height bracket only.
Haven't seen dual-port cards in QTy available for cheaper. Just thought I'd share.