Old PC that I've been using since college and been gradually upgrading!
Started with an i5-2320 with a GT 530 and slowly worked up to where it is today.

Casing: Coolermaster Elite 431 Plus
PSU: Seasonic S12II 520W 80+ Bronze
CPU: Core i7-8700, 14nm Coffee Lake
6 cores 12 threads, 4.36Ghz All Core, 4.67Ghz Single core ( BClk @ 101.5Mhz)
Cooler: ID-Cooling Frostflow +120 Snow Edition (120mm AIO Radiator)
Motherboard: Gigabyte Z370-HD3
RAM: 2x 8GB Klevv Bolt 2400Mhz CL15 DDR4 (Running at 2706MHz CL14, 1.28V)
GPU: Galax GTX 1070 EXOC Sniper (+80Mhz Core, +310Mhz VRAM)
Storage:
1x Samsung 960 Evo 250GB (m.2 NVME)
1x WD Blue SSD 250 GB (SATA III)
1x Toshiba DT01ACA200 2TB Hard Drive


Performance
Cinebench R15 Single: 198
Cinebench R15 Multi: 1453

Firestrike Score: 17225
Graphics Test Score: 19503
Physics Test Score: 18486
Combined Test Score: 8707

(All performance figures inclusive of latest Meltdown/Spectre Patches)