What is the storage capacity of this desktop? Can I store large files?

The storage capacity of this desktop is 256 GB NVMe SSD.

Does this desktop come with any pre-installed operating system?

Yes, this desktop comes with Windows 11 Pro 64-bit pre-installed.

Yes, this desktop is equipped with an Intel Core i5-8500 6-Core processor and 16GB of DDR4 memory, which are suitable for multitasking.

double click image to zoom in

Lenovo Business Desktop ThinkCentre M720S-SFF Intel Core i5-8500 16GB DDR4 256 GB NVMe SSD Intel UHD Graphics 630 Windows 11 Pro 64-bit