This is an off-lease computer that was returned to Dell after the lease expired.
It looks like it was never used, because there is absolutely no dust inside.
Intel® Core™ i9-10900X X-series Processor.
32 GB RAM (expandable up to 512GB).
512 GB M.2 PCIe NVMe SSD in Front access hot-swap flexbay module
Add $30 for additional 2TB Western Digital WD Black Hard Drive
Display card: AMD Radeon Pro WX 2100.
SD Card Reader.
No Optical.
Front access 4 hot-swap flexbay module storage of three 3.5" or 2.5" SATA HDD/SSD and one M.2 PCIe NVMe SSD.