I'm looking for a USB 3 enclosure that holds 3 to 4 HDDs. Don't need or want RAID capability. Would like to pay no more than $60 for a 3 bay or $80 for a 4 bay. Most important thing is rock solid OS X compatibility b/c I come across a few USB3 enclosures w/ controllers than are not really Mac happy despite USB3 being a standard.