I don't like angled cables, they are stressed MUCH easier. I've got a broken one that came in a Phenom II era ASUS Motherboard, the connector broke in two half pieces.Would a right-angle SATA cable work?
I was getting SATA errors with one of my SSD's... originally I thought it was the drive, but as soon as I changed the cables out, everything is fine. For that reason I don't use round cables any longer... although I don't know why a round one would be any less reliable than a flat ribbon. Just my experience.
Good to know. I may give them a whirl, just to see if they work as well consistently. My other option is to mount my drives upside-down in the trays that go with my case (Antec Sonata II). Fun!