This card was featured on the main site last month, seems like a good price $59/ea
Not sure how compatible these would be in non HP hardware however may make a good upgrade to a new microserver.
NEW HPE 840134-001 4x25Gb Single-Port Network Adapter 817762-B21 High/ Low | eBay
Not sure how compatible these would be in non HP hardware however may make a good upgrade to a new microserver.
NEW HPE 840134-001 4x25Gb Single-Port Network Adapter 817762-B21 High/ Low | eBay