The Seasonic SS-600ET is a really old design. I don't recommend it. This is much better and newer design. In-stock in a few weeks at Amazon. Available now at Newegg. Seasonic Focus GM-550W
The Seasonic SS-600ET is a really old design. I don't recommend it. This is much better and newer design. In-stock in a few weeks at Amazon. Available now at Newegg. Seasonic Focus GM-550W