I'm using a Steam Deck now. The old builds are memorialized below.

Previous Tower (thanks to friends for supplying the parts!):

OS
- Windows 7 64-bit
- Linux Mint 20.3 / XFCE 64-bit
- Garuda Linux KDE Dr460nized Gaming Edition
- EndeavourOS

Processor
- Intel i7-2600 3.4GHz

Storage
- PNY SSD 240GB / WDC WD5000AAKS 500GB x2 / WDC WD40EZAZ 4TB

RAM
- 12GB DDR3?

Graphics
- nVidia GeForce GTX 750ti

Previouser Tower:

OS
- Windows 7 64-bit

Processor
- Intel G850 2.9GHz Sandy Bridge Dual-Core

Storage
- OCZ SSD 120GB / Seagate 5400RPM 320GB

RAM
- 4GB DDR3

Graphics
- Sapphire Radeon 6850HD 1GB