HDD Raid?

[ding5550123]

I want to set up a SATA Raid for my computer. I want to have it to record TV. I was thinking a total of 1-1.6Terrabites. I was thinking of 4 segate barracudas 7200 RPM HDD (SATA) Does that sound OK

 

[jondercik]

remember to get the 1 extra drive for raid 5.