So are you saying your PSU is ten years old? If that's true you might want to go on ahead and replace the PSU. 10 years is about the limit for warranties to some name brand PSUs as it is already. I know that's a pain in the ass, believe me. I just replaced my PSU a few months back and rewiring and running the cable so that it's hidden is a PITA. But in the long run it's well worth it should your current very old PSU might bite the dust. And like I said, if it goes out it could take out your whole system.
Another thing you might want to consider is a good UPS that supports active PSUs. I can't tell you how many threads I've read on computer forums where people were asking for help because their power went out and all of a sudden the computer wouldn't boot anymore or there was damage.
You might be interested in this UPS. It supports active PSUs and puts out at least 500 watts which should be plenty. Your typical PC probably pulls around 200 watts not including a monitor/s.
https://www.newegg.com/Product/Prod...2131&cm_re=CP850PFCLCD-_-42-102-131-_-Product
If you want to compare Specs between two GPUs, check out GPU boss. Many people complain that their comparisons are biased, but I use it to compare Specs only which is a real good way to get a feel at what to look out for. And it's pretty much common sense to know that higher numbers mean better performance. That goes for the core clock MHz, shaders, texture fill rate, etc. I'm not entirely sure how RAM in a GPU plays a factor, but I do know it plays a factor if you use more than one monitor. Especially if said monitors are massive. It may also have to do with the core clock as well. Which means if you run more than one monitor you'll want a higher clock rate. That's just what I have ascertained over the years from reading.
Tax season is here. Consider the GTX 1060, a new PSU and a UPS. Once you build a new system you can reuse the new PSU and GPU of course. So it's like already buying parts for your future build.
Yes, that worries me a bit with the HDD
I wold learn to periodically clone the computer. Buy an external HDD of equal or greater size and use AOMEI Backupper to clone the disk to the external. That way if your hard drive bites the dust you just buy a new HDD, install and clone back and it will be like nothing ever changed. I do this all the time so if for some unforeseen reason I mange to get malware or the HDD goes south, I can just clone back my HDD. Granted if I had any data on the current HDD that wasn't cloned between that time frame I won't have that data. But it's better than losing the whole enchilada. I've seen many people loss their data and in this day and age with the technology available it's senseless not to clone to a backup HDD once in a while and prevent a nightmare. Best of all there's no cloud storage costs, the data is yours and not on someone else's server and you don't need to worry about bandwidth or Intenet speed consideration with cloud backups and restoration. I personally store alll of my HDDs in two fire proof safes. And my websites are backed up to DVD/RW every now and then. I plan on migrating to blu-ray. Who says optical media is dead?
Besides, it's EMP proof. LOL The "cloud" isn't.
Note- I have seen people say AOMEI Backupper triggers virus protection for some asinine strange reason, but it's just a false positive. I heard that about a year ago, and perhaps the anti-virus makers have rectified that by now.