Asus Prime X570-PRO/CSMPRIME X570-PRO/CSMPRIME X570-PRO/CSM | Motherboards | ASUS United KingdomAMD AM4 Socket: Ready for 3rd and 2nd Gen AMD Ryzen™ processorsASUS Corporate Stable Model (CSM): A commercial program offers up to 36-month product lifecycle and 6-month EOL notice for product transition..