Processor and motherboard
The socket must match (AM5, AM4, LGA 1851, LGA 1700…). The chipset decides features such as overclocking and the number of fast storage slots.
Memory
The motherboard decides DDR4 or DDR5 and the number of slots. A processor supports a memory type too. On most current platforms the two must agree.
Storage
The form factor (M.2 2280, 2242, 2230, 2.5") must fit the slot or bay. The interface (PCIe 5.0, 4.0, 3.0 or SATA) decides the speed. A faster drive in a slower slot still works, at the slot’s speed.
Graphics card
The length must fit your case. The power supply must cover the card’s board power. The recommended PSU shown on the card is a sensible minimum.
In the tool
- Start with the part you are keeping, and filter the new part’s market by its socket or memory type.
- Add the physical limits: length, form factor.
- Only then choose a job and sort by Value.