Specs are Pentium 4 CPU 2.29 Ghz with 2 Gb RAM. I have of them. Need to have duo or even quad core CPU, with at least 4 or more gigs of ram. Preferably keeping my current HDDs. Is that even possible with this old computers? How much would it cost and what should I buy? Or do I have to invest in buying new computers?
More abouthelp upgrade
That is pretty much un-upgradable. The hdd is IDE, I've seen inside those systems before. If you're getting a new system, some still have an IDE port. Here's a budget based build: