The Seagate FireCuda 530 2TB wins in 4 out of 7 comparable specs, with 2 ties. Its biggest advantage is Endurance (TBW) (219% better).
KC3000 1TB wins in 1 spec (MSRP: 53% better).
Recommendation
Choose FireCuda 530 2TB if you want the best overall performance — especially endurance (tbw).
Choose KC3000 1TB if msrp matters more to you.
