HP ProLiant DL380 G7 (was turned off working and without errors running different system to lean them like Proxmox, Unraid, Truenas, ...
Intel Xeon E5640 SLBVC 2.66GHz 12MB 4-core LGA-1366 80W CPU processor (other CPU possible)
Dual Extended HDD cage for 16 HDD places
16 working HP 300GB 2.5" 10k SAS HDD HotSwap Hard Drive 493083-001 with Frame (Zfs2 = +-4Tb)
contain Dual original HP 460w power supply (750 possible)
Ram slots populated with Dual:
2 x HP 4Gb PC3-10600R-9-13-JO
2 x HP 4Gb PC3-10600R-9-13-JO
2 x HP 2Gb PC3-10600R-9-10-B0-P0
2 x HP 2Gb PC3-10600R-9-10-B0-P0
2 x HP 2Gb PC3-10600R-9-10-B0-P0
2 x HP 2Gb PC3-10600R-9-10-B0-P0
2 x HP 2Gb PC3-10600R-9-10-B0
2 x HP 2Gb PC3-10600R-9-10-B0

Total System memory = 20Gb per CPU

512Mb System cache without battery

6 new unused Nidec Ultraflow HP original system fans

Original 468406-B21 HP 24 BAY SAS EXPANDER CARD 3Gb 6Gb SATA with all original HP G7 Mini SAS Cable 493228-006 498426-001

I calculated system price when reseaching all the parts using the lowest €bay sales i could find= system price in parts 1086€
Starting price 410€.  If you have questions about the system or price, feel free to mail.

Perfect test machine for learning, homelab, fun, ...  Can be tested when picked up.