PCI-E SATA Controller

i'm trying to find a SATA Controller that has a PCI-E connecction of at least 4x, and has also at least 4 channels for SATA disks. I need it to make a real raid 5 system, the fakeraid on my motherboard is absolutely crap.

Solution 1:

Are you looking for something like this?
http://www.areca.com.tw/products/pcie.htm
http://www.areca.com.tw/products/pcie341.htm

ARC-1210 (4 ports, raid 5 and 6).

ARC-1260 (16 ports, raid 5 and 6).

Solution 2:

3Ware makes a number of these in varying configurations. I've had several of their cards before, and I've like them very much. I've not bought a new one in a while, though -- the last one was 64-bit PCI. I've never had one of their PCIE cards.

Newegg carries many of these: http://www.newegg.com/