Upgrates for Macbook Pro

Are you asking about a new computer? If so, the store stocks common configurations. If you want a new computer with a custom configuration you have to order it online.

If you are asking about upgrading an older computer you can order RAM from a third party like OWC. Not all Macs can have RAM upgraded.

What model MacBook Pro? Any MacBook Pro that had upgradeable memory used industry standard module specifications, although most here would recommend going with a seller that guarantees compatibility.