Hi, I have an opportunity to buy second hand PSU Be Quiet Pure Power L8. Ive checked online and it seems this psu has an compatibility issie with haswell cpus. I have younger generation cpu, one system with skylake, one with coffeelake. Do you think its good idea to buy and use this psu or just buy a new one. I would not think about it if it was about 10bucks cheapr but I can get it basically just for postage from a friend who just did an upgrade.