Quote Originally Posted by Ace-a-Rue View Post
it is the reason Areca Raid cards warn buyers to check compatibility with certain motherboards..they were designed more in line with server boards...buyer beware.
http://faq.areca.com.tw/modules/smar...q.php?faqid=26
Q10130407 - Is it possible to use an ARC 1210 in a PCI Express 4x slot?

Areca ARC-12Xx series RAID controller is based on the PCI Express X8. It can work on the PCI Express X1, X4, X8, and X16 signal with X8 or X16 slot M/B.
to add my areca card is working fine on my p5k deluxe.