My Tower (main rig) is currently a X7SPA-HF-D525 unit. My Tower2's (backup rig) onboard controller has grown flaky ( Asus P8H77-V LE &  Intel i5 2500) It is time to replace the equipment. The plan:  Step 1 - Tower upgrade: E5-1650V3 22nm 6/12 3.8 GHz 140W Haswell-EP/4th Gen SUPERMICRO MBD-X10SRA-F-O x2 MEM-DR416L-SL01-ER21 (16 GB DDR4-2133 ECC Registered) Noctua NH-U14S - LGA 2011 heatsink   Step 2 - Tower2 downgrade X7SPA-HF-D525   St