Dear Vance,
please refer to the NVT4858 datasheet. Yes, the NVT4858 fulfills your requirements.
The NVT4858 is designed for SD and SIM application. Can I use it for QPSI?

Host side: 1.2V QSPI, SCLK is up to 50 MHz


Flash memory: 3.3V QSPI

With Best Regards,
Jozef