https://www.dell.com/support/kbdoc/en-us/000144064/precision-5820-tower-precision-7820-tower-precision-7920-tower-nvme-drives-don-t-work-in-legacy-mode
Precision 5820 Tower, Precision 7820 Tower, Precision 7920 Tower NVMe Drives Do Not Work in Legacy...
The NVMe Drives do not work in Legacy Mode on the Precision 5820 Tower, Precision 7820 Tower, and Precision 7920 Tower.
precision 5820 towerdo not worknvme drives
https://www.newegg.com/dell-precision-t5820-tower/p/2NS-0008-6WRG7?Item=9SIBYWEKDT3345
Refurbished: Dell Precision Tower 5820 Workstation W-2133 6C 3.6Ghz 32GB 500GB NVMe HDMI Win 11 -...
Buy Refurbished: Dell Precision Tower 5820 Workstation W-2133 6C 3.6Ghz 32GB 500GB NVMe HDMI Win 11 with fast shipping and top-rated customer service. Newegg...