Absolutely there are certain upgrades which require large component upgrades but those are few and far between. But this doesn't require a new GPU, case, case f

Absolutely there are certain upgrades which require large component upgrades but those are few and far between. But this doesn't require a new GPU, case, case fans, storage media etc. DDR4 as an example was released 7 years ago and DDR5 is still yet to be released not less a required upgrade for a new CPU.