What type of systems is this SSD designed to work with?

It is a compact M.2 2280 PCIe Gen4 x4 SSD designed for compatible laptops and desktop PCs.

What are the sequential read and write speeds of the KingFast F16N 1TB SSD?

The KingFast F16N 1TB SSD offers up to 4,000 MB/s sequential read speed and up to 3,700 MB/s sequential write speed.

double click image to zoom in

KingFast 1TB M.2 2280 PCIe 4.0 NVMe SSD, Up to 4,000MB/s Read & 3,700MB/s Write, NVMe 1.4 3D NAND Internal SSD for Laptop & Desktop F16N 1TB 2280

PCIe 4.0 High-Speed Performance - Delivers sequential read/write speeds up to 4,000/3,700 MB/s for faster boot-ups, game loading, and file transfers.
Built for Gaming & Everyday Computing - Designed for gaming, content creation, office work, and other applications requiring responsive storage performance.
NVMe 1.4 & 3D NAND - Powered by NVMe 1.4 and 3D NAND technology for efficient data access and dependable everyday performance.
Versatile M.2 2280 Upgrade - Compact M.2 2280 PCIe Gen4 x4 design for compatible laptops, desktop PCs.