This is the machine I use Stablebit DrivePool on. It is not strictly a "server" as it gets used for workstation tasks as well and thus has a desktop, not server, OS.
Case: 45Drives Storinator Q30
OS: Windows 7 Pro 64-Bit
CPU: Intel Xeon E3 1275v2
MoBo: SuperMicro X95CM
RAM: 2x8GB ECC
GFX: NVidia GeForce GT 710
PSU: Corsair HX750i
OS Drive: SanDisk X300 128GB SSD
Storage Pools:
142 TB:
10x 4TB (WD40EZRX)
14x 6TB (WD60EZRX)
4x 8TB (WD80EFZX)
18.2 TB:
2x 10TB (ST10000VN0004)
* Pool sizes as reported by DP.
Drive sizes as marketed.
Both pools configured with x2 full pool duplication.
Misc Storage: 750 GB (WD7500BPVT)
HDD Controller card: HighPoint Rocket 750
