The Seasonic VERTEX GX-1200 wins in 8 out of 9 comparable specs. Its biggest advantage is Warranty (300% better).
500 BQ wins in 1 spec (MSRP: 83% better).
Recommendation
Choose VERTEX GX-1200 if you want the best overall performance — especially warranty.
Choose 500 BQ if msrp matters more to you.
