HP 665249-B21 Ethernet 10Gb 2-Port 560SFP+ Adapter - Has two 10Gbe SFP+ ports and 256MB integrated memory - Provide up to 40Gb bi-directional per adapter - Requires one x8 PCI (Gen 2) Express slot (ba

Looks good... HP makes quality stuff... Couldn't use in my system and returned it. I don't recall the details as it was a while back now. It was my fault, I just didn't read the description well.

I purchased this NIC to provide 10Gb connectivity to my DL360P G8. It worked flawlessly as soon as I connected it in the server, booted, and connected to my 10Gb switch. I am even using link aggregation without issue, which is sometimes not possible/troublesome with cheaper NICs. Running ESXinand connected to a Unifi 10Gb switch