The NZXT C1500 Platinum wins in 8 out of 9 comparable specs. Its biggest advantage is PCIe Connectors (300% better).
CV550 wins in 1 spec (MSRP: 88% better).
Recommendation
Choose C1500 Platinum if you want the best overall performance — especially pcie connectors.
Choose CV550 if msrp matters more to you.
