u/Technical-Rub-2433

Hello I got a mac it’s the 2009 i’m trying to patch it up and get high sierra on it but it has all the originals components im looking at the ram, the usb ant i got a caddy to use my old hhd has a secondary drive but im struggling to find a reliable ssd but im not trying to spend my weekly check on it any help for where can I it. please and thank you