570707-001 HP 2730P Motherboard Includes Intel Core 2 Duo Processor (Su9400) (Refurbished)
Amazon.com: Micro Center Intel Core i5-9600K Desktop Processor Combo 6 Cores Up to 4.6 GHz Unlocked LGA1151 300 Series 95W Bundle with ASUS Prime Z390-A ATX Motherboard DDR4 DP HDMI M.2 USB
How to check which processor is compatible with motherboard in Hindi! - YouTube