I'm in need of a PCIe SATA controller that works well under linux and supports BTRFS / ZFS raid arrays to be used in a home NAS I'm building and am no sure what I'm looking for.
From what I can see, Astrotek have a reasonably priced ($32) CPES6 and Highpoint make a more expensive Rocket R640L ($99).[1]
Aside from the obvious number of ports, is anyone able to tell me the difference between these two cards, or recommend an alternative that's known to work under linux. My current need is only for a single additional SATA port but my preference is for a card that will support future expansion, I'm just not sure 2 more ports are worth the almost 3 fold price differential. Tim [1] http://www.pccasegear.com/index.php?main_page=index&cPath=210_385