I think that if the plan was to upgrade the whole pc, you would have had way more options that could be discussed (options that already included having a beefy psu without the need to do modifications). A small form factor is the most limiting setup in allowing you to do what you want, in general.
First, this is the smaller Mini tower, NOT the SFF. Windows 10 Pro, 16 gigs ram, Xeon E3-1200 v3, 250Gb SATA hard drive - 150Gb free space. My long-term project for this machine is to convert my sizeable collection of old VHS movies to mp4s. Need to replace my stock power supply as the original seems to be dying. I use 5 USB devices (this model has 10 USB ports) - keyboard, mouse, printer, and two external 2.5 inch hard drives. The other night, it failed to display video and troubleshooting drilled down to my NVidia Quadro K600 having died so I replaced it with a working card and things went fine - until I took the PC back to my desk, plugged in my 5 USB devices, booted it up - no video. So I unplugged the two hard drives, did a cold boot - video came back. 1. Which more potent power supplies can I use in this? 2. Recommended CPU compatible video cards? 3. What would it take to switch to an internal SSD hard drive; i.e., will I need a caddy adapter? We thank you for your support! Lacyt
Precision T1700 mini tower power supply