DELL OPTIPLEX 790 optimized and working very well

DELL OPTIPLEX 790

Motherboard ( Dell Inc. 0HY9JP (CPU 1)
BIOS: A22

OS: Windows 10 Entreprise LTSC 64-bit
CPU: Intel Xeon E3 1280 @ 3.50GHz  Technologie Sandy Bridge-WS 32nm
RAM: 32 Gigas DDR3 (4 x 8 Gigas)
Graphics card: GeForce GT 640
Power: 450W 
Hard drives: 6 disques durs SATA 10 Teras (4 x 1Tera + 2 x 3Tera)
and 2 x External Hard drive USB2