Hi@Muaathil36, Welcome to the HP Support Community!
Please find HP Compaq Pro 6300 Microtower PC Product Specifications
https://support.hp.com/in-en/document/c03382665#AbT2
Hope that answers your question and you have a great day!
Keep me posted. Happy to help!
Please click “Accept as Solution” if you feel my post solved your issue, it will help others find the solution.
Click the “Kudos, Thumbs Up" on the bottom right to say “Thanks” for helping!
Have a great day!