Hello,
Just thought to contribute my findings so far:
Hardware:
HP Z800 Workstation
PSU: HP 1.1 kW (1100 W)
CPUs: 2 x E5620 2,4 Ghz 4 core
RAM: 12 GB DDR3
HDD1: 4 x HP SAS 146 GB 15k 3,5" RAID-10
HDD2: 2 TB Western Digital SATA 3,5"
HDD3: 128 GB Kingston SSD 2,5"
HDD4: 160 GB Toshiba SATA...