(TPG펌) 

Silver status for 7,500 points,

Gold status for 25,000 points

and Platinum for 40,000 points.

Before you get your hopes up, not all current Marriott elites are eligible for this offer. Only members who previously earned status through nights and stays at Marriott brand hotels are eligible — unfortunately, SPG members who matched to Marriott status aren’t.

https://thepointsguy.com/2017/01/buy-back-marriott-elite-status-2017/