thanks all for reply. finally we had buy Supermicro with such configuration:
- SuperMicro SYS-5017C-MF, 1U, 1155, 2x 3.5" internal,Intel C202 PCH
- Intel Xeon E3-1220V2, 3,1GHz, 8MB LGA1155, 22nm, 69W, Quad Core
- Hynix RAM 4 GB DDR3 1333 ECC Unbuffered DIMM x2
- Seagate Constellation ES 7200...