Reach max performance of PCIe 4.0. Experience longer- lasting, opponent blasting speed. The in-house controller's smart heat control delivers our best power efficiency while maintaining ferocious performance that always keeps you at the top of your game. PCIe 4.0 s best theoretical sequential read is 8000 Mb/s - 990 Pro reaches 7450 Mb/s as of Q3, 2022. Source: 2003-2022 Omdia data: Nand suppliers' revenue market share. Sequential and random write performance was measured with Intelligent Turbo Write technology being activated. Intelligent Turbo Write operates only within a specific data transfer size. Performance may vary depending on Ssd s firmware, system hardware and configuration and other factors.