PCIe Gen4 x4 interface. NVMe 1.4 support Excellent read/write performance 7,400/6,800 MB per second. Heat sink keeps SSD cooler for optimal performance and stability LEGEND 960 supports PCIe 4.0 and works with PS5 consoles as expanded storage LEGEND series SSDs use only high quality ICs that have been rigorously tested. For further peace of mind, they come backed by a 5-year warranty