Here you go the overall technics-based list of the variety of miscellaneous computer rigs, which I've still owned myself for the past let's say ten years, thus by my rough estimate.

1st PC platform - 486DX4 100MHz - L1 Cash 16 kb,,physical memory - 16MB EDO RAM, Graphic card S3 Trio, Sound Card Sound Blaster 16 ISA,operation system MS DOS.

2nd PC platform - Intel Pentium 4 (HT) 3,2 Ghz Socket 478, system physical memory 1.2 GB RAM DDR1 400
MHz, Graphic card - GeForce GS 7900 256MB VRAM DDR3 AGP slot,operation system - Windows XP Professional 32bit version American version.Corsair 450W.

3rd PC platform - AMD Athlon 3000+ XP -"one-core processor" 2 GHz, L2 Cash 512 KB, BUS speed 800Mhz, physical memory 2 GBRAM DDR1 400Mhz, Graphic card, GeFiorce GT640 DDR3 1GB VRAM, PCI-Express slot., operation system - Windows Vista Ultimate 32bit American version, power supply Corsair 600W.

4th PC platform - Intel Pentium 4 HT 3,2 GHz, Socket 775, physical memory 3,2 GB RAM DDR2 800MHz, Graphic card ATI Radeon HD4890 2GB VRAM VaporX, DVI, HDMI, Sound Card - Sound Blatser Audigy 2, power supply SeaSonic 530W, operation system - Windows XP Professional 32bit American version.

5th PC platform - Intel Core 2 Quad - Q6600 - 4 core 2,4 GHz, 8 MB Cash, Socket 775, 65nm, Bus speed 1066 MHz, physical memory 8 GB RAM DDR3 1,3 GHz, Graphic card GeForce GTX960 4GB VRAM DDR5, "windforce edition". operation system - Windows 7 Ultimate 64bit American version.


6th PC Platform - Intel Core 2 Quad 9650 - 4-core processor 3,0GHz 12 MB Cash, Socket 775 45nm, Bus Speed 1333MHz, physical memory 16 GB RAM DDR3 1,3 -1,6 GHz, Graphic card GeForce GTX960 4GB VRAM DDR5 - "gainward edition", operation system - Windows 7 Ultimate 64bit American version.