Product support for
PRIME B450M-K IIFind another model
By registering your device, you can easily manage your product warranty, get technical support and keep track of your repair status.
Register Product
  • Driver & Tools
  • FAQ
  • Manual & Document
  • Warranty
  • More Service

CPU Support

  • CPU Support
  • Memory

The following table shows the supported CPUs for this motherboard

Click here to search other motherboards.
CPUValidated since PCBValidated since BIOSNote
AMD Ryzen 3 PRO 5355G (4GHz,65W,L3:8M ,4C)ALL3802 GO
AMD Ryzen 3 PRO 5355GE (3.6G/35W/L3:8M,4C)ALL3802 GO
AMD Ryzen 5 PRO 5655G (3.9G/45-65w/L3:16M,6C)ALL3802 GO
AMD Ryzen 5 PRO 5655GE (3.4G/35w/L3:16M,6C)ALL3802 GO
AMD Ryzen 7 PRO 5755G (3.8G/45-65w/L3:16M,6C)ALL3802 GO
AMD Ryzen 7 PRO 5755GE (3.2G/35W/L3:16M,8C)ALL3802 GO
Athlon 200G (3.3GHz,35W,L3:4M,2C)ALL0303 GO
Athlon 200GE (3.2GHz,35W,L3:4M,2C)ALL0309 GO
Athlon 200GE (3.2GHz,35W,L3:4M,2C,B0)ALL0309 GO
Athlon 200GE(Raven-2) (3.2GHz,35W,L3:4M,2C)ALL0309 GO
Athlon 220GE (3.4GHz,35W,L3:4M,2C)ALL0309 GO
Athlon 220GE(Raven-2) (3.4GHz,35W,L3:4M,2C,B0)ALL0309 GO
Athlon 240GE (3.5GHz,35W,L3:4M,2C)ALL0309 GO
Athlon 240GE(Raven-2) (3.5GHz,35W,L3:4M,2C,B0)ALL0309 GO
Athlon 3000G (3.5GHz,35W,L3:4M,2C)ALL2409 GO
Athlon 300GE (3.4GHz,35W,L3:4M,2C)ALL0303 GO
Athlon PRO 200GE (3.2GHz,35W,L3:4M,2C,B1)ALL0303 GO
Athlon PRO 300GE (3.4GHz,35W,L3:4M,2C)ALL0303 GO
Ryzen 3 1200(3.1GHz,65W,L3:8M,4C,rev:B1)ALL0309 GO
Ryzen 3 1200AF (3.1GHz,65W,L3: 8M, 4C)ALL0309 GO
Ryzen 3 1300X(3.5GHz,65W,L3:8M,4C,rev:B1)ALL0309 GO
Ryzen 3 2200G(3.5GHz,65W,L3:4M,4C)ALL0309 GO
Ryzen 3 2200GE(3.5GHz,45~65W,L3:6M,4C)ALL0309 GO
Ryzen 3 2300X(3.5GHz,65W,L3:8M,4C)ALL0303 GO
Ryzen 3 3100 (3.6GHz, 65W, L3:16M,4C)ALL0309 GO
Ryzen 3 3200G (3.6GHz,45-65W,L3:4M,4C)ALL0309 GO
Ryzen 3 3200GE (3.3GHz, L3:4M,4C)ALL0303 GO
Ryzen 3 3300X (3.8GHz, 65W, L3:16M,4C)ALL0309 GO
Ryzen 3 4100 (3.8GHz,46-65W,L3:4M,4C)ALL3211 GO
Ryzen 3 4300G (3.8GHz,45-65W,L3:4M,4C)ALL3211 GO
Ryzen 3 4300GE (3.5GHz,35W,L3:4M,4C)ALL3211 GO
Ryzen 3 5100 (Cezanne) (3.8GHz,45-65W,L3:8M,4C)ALL3211 GO
Ryzen 3 5300G (4.0GHz,45-65W,L3:8M,4C)ALL2409 GO
Ryzen 3 5300GE (3.6GHz,35W,L3:8M,4C)ALL2409 GO
Ryzen 3 PRO 1200(3.1GHz,65W,L3:8M,4C,rev:B1)ALL0309 GO
Ryzen 3 PRO 1300(3.4GHz,65W,L3:8M,4C,rev:B1)ALL0309 GO
Ryzen 3 PRO 2200G(3.5GHz,35W,L3:4M,4C,rev:B1)ALL0303 GO
Ryzen 3 PRO 2200GE(3.2GHz,35W,L3:4M,4C,rev:B1)ALL0303 GO
Ryzen 3 PRO 3200G (3.6GHz,L3:4M,4C)ALL3002 GO
Ryzen 3 PRO 3200GE (3.3GHz,L3:4M,4C)ALL0303 GO
Ryzen 3 PRO 4350G (3.8GHz,45-65W,L3:4M,4C)ALL2409 GO
Ryzen 3 PRO 4350GE (3.5GHz,35W,L3:4M,4C)ALL3211 GO
Ryzen 3 PRO 4355G (3.8GHz,65W,L3:4M,4C)ALL3211 GO
Ryzen 3 PRO 4355GE (3.5GHz,35W,L3:4M,4C)ALL3211 GO
Ryzen 3 PRO 5350G (4.0GHz,65W,L3:8M,4C)ALL2409 GO
Ryzen 3 PRO 5350GE (3.6GHz,35W,L3:8M,4C)ALL2409 GO
Ryzen 5 1400(3.2GHz,4C,L3:8M,65W,rev:B1)ALL0309 GO
Ryzen 5 1500X(3.5GHz,65W,L3:16M,4C,rev:B1)ALL0309 GO
Ryzen 5 1600(3.2GHz,6C,L3:16M,65W,rev:B1)ALL0309 GO
Ryzen 5 1600AF(3.2GHz,6C,L3:16M,65W,rev:B1)ALL0309 GO
Ryzen 5 1600X(3.5GHz,95W,L3:16M,6C,rev:B1)ALL0309 GO
Ryzen 5 2400G(3.6GHz,45~65W,L3:4M,4C)ALL0309 GO
Ryzen 5 2400GE(3.2GHz,35W,L3:4M,4C)ALL0309 GO
Ryzen 5 2500X(3.6GHz,65W,L3:8M,4C)ALL0303 GO
Ryzen 5 2600(3.4GHz,6C,L3:16M,65W,B2)ALL0309 GO
Ryzen 5 2600E(3.1GHz,6C,L3:16M,45W,B2)ALL0303 GO
Ryzen 5 2600X(3.6GHz,6C,L3:16M,95W,B2)ALL0309 GO
Ryzen 5 3350G (3.6GHz,65W,L3:4M,4C)ALL2409 GO
Ryzen 5 3400G (3.7GHz,45-65W,L3:4M,4C)ALL0309 GO
Ryzen 5 3400GE (3.3GHz,L3:4M,4C)ALL0303 GO
Ryzen 5 3500 (3.6Ghz,65W,L3:16M,6C)ALL0309 GO
Ryzen 5 3500X (3.5Ghz,65W,L3:32M,6C)ALL0309 GO
Ryzen 5 3600 (3.6GHz,65W,L3:32M,6C,B0)ALL0309 GO
Ryzen 5 3600X (3.8GHz,95W,L3:32M,6C,B0)ALL0309 GO
Ryzen 5 3600XT (3.8GHz, 95W,L3:32M,6C)ALL0309 GO
Ryzen 5 4500 (3.6GHz,45-65W,L3:8M,6C)ALL3211 GO
Ryzen 5 4600G (3.7GHz,65W,L3:8M,6C)ALL3211 GO
Ryzen 5 4600GE (3.3GHz,35W,L3:8M,6C)ALL3211 GO
Ryzen 5 5500 (Cezanne) (3.6GHz,45-65W,L3:16M,6C)ALL3211 GO
Ryzen 5 5500F (3.0GHz,65W,L3:16M,6C )ALL4631 GO
Ryzen 5 5500GT (Cezanne) (3.6GHz,45-65W,L3:16M,6C)ALL3802 GO
Ryzen 5 5500X3D (Vermeer) (3.0GHz, 105W, L3:96M, 6C)All3802 GO
Ryzen 5 5600 (3.5GHz,65W,L3:32M,6C)ALL3211 GO
Ryzen 5 5600F (Vermeer) (3.0GHz, 65W, L3:32M, 6C)All3802 GO
Ryzen 5 5600G (3.9GHz,45-65W, L3:16M,6C)ALL2409 GO
Ryzen 5 5600GE (3.4GHz,35W,L3:16M,6C)ALL2409 GO
Ryzen 5 5600GT (Cezanne) (3.6GHz,45-65W,L3:16M,6C)ALL3802 GO
Ryzen 5 5600T (3.5G,65W,L3:32M,6C)ALL3802 GO
Ryzen 5 5600X (Vermeer) (3.7GHz,65W,L3:32M,6C)ALL2409 GO
Ryzen 5 5600X3D (3.3GHz,105W,L3:96M,6C)ALL3802 GO
Ryzen 5 5600XT (3.8G,65W,L3:32M,6C)ALL3802 GO
Ryzen 5 PRO 1500(3.5GHz,65W,L3:16M,4C,rev:B1)ALL0309 GO
Ryzen 5 PRO 1600(3.2GHz,65W,L3:16M,6C,rev:B1)ALL0309 GO
Ryzen 5 PRO 2400G(3.6GHz,35W,L3:4M,4C,rev:B1)ALL0303 GO
Ryzen 5 PRO 2400GE(3.2GHz,35W,L3:4M,4C,rev:B1)ALL0303 GO
Ryzen 5 PRO 2600(3.4GHz,65W,L3:16M,6C)ALL0303 GO
Ryzen 5 PRO 3400G (3.7GHz,L3:4M,4C)ALL0303 GO
Ryzen 5 PRO 3400GE (3.3GHz,L3:4M,4C)ALL0303 GO
Ryzen 5 PRO 3600 (3.6GHz,65W,L3:32M,6C)ALL0303 GO
Ryzen 5 PRO 4650G (3.7GHz,45-65W,L3:8M,6C)ALL2409 GO
Ryzen 5 PRO 4650GE (3.3GHz,35W,L3:8M,6C)ALL3211 GO
Ryzen 5 PRO 4655G (3.7GHz,65W,L3:8M,6C)ALL3211 GO
Ryzen 5 PRO 4655GE (3.3GHz,35W,L3:8M,6C)ALL3211 GO
Ryzen 5 PRO 5650G (3.9GHz,65W,L3:16M,6C)ALL2409 GO
Ryzen 5 PRO 5650GE (3.4GHz,35W,L3:16M,6C)ALL2409 GO
Ryzen 7 1700(3.0GHz,8C,L3:16M,65W)ALL0309 GO
Ryzen 7 1700X(3.4GHz,8C,L3:16M,95W)ALL0309 GO
Ryzen 7 1800X(3.6GHz,8C,L3:16M,95W)ALL0309 GO
Ryzen 7 2700(3.2GHz,8C,L3:16M,65W,B2)ALL0309 GO
Ryzen 7 2700E(2.8GHz,8C,L3:16M,45W,B2)ALL0303 GO
Ryzen 7 2700X(3.7GHz,8C,L3:16M,105W)ALL0309 GO
Ryzen 7 3700X (3.6GHz,65W,L3:32M,8C,B0)ALL0309 GO
Ryzen 7 3800X (3.9GHz,105W,L3:32M,8C,B0)ALL0309 GO
Ryzen 7 3800XT (3.9GHz, 105W,L3:32M,8C)ALL0309 GO
Ryzen 7 4700 (3.6GHz,45-65W,L3:8M,8C)ALL3211 GO
Ryzen 7 4700G (3.6GHz,45-65W,L3:8M,8C)ALL3211 GO
Ryzen 7 4700GE (3.1GHz,35W,L3:8M,8C)ALL3211 GO
Ryzen 7 5700 (Cezanne) (3.7GHz,45-65W,L3:16M,8C)ALL3211 GO
Ryzen 7 5700G (3.8GHz,45-65W,L3:16M,8C)ALL2409 GO
Ryzen 7 5700GE (3.2GHz,35W,L3:16M,8C)ALL2409 GO
Ryzen 7 5700X (3.4GHz,65W,L3:32M,8C)ALL3211 GO
Ryzen 7 5700X3D (3.0GHz,105W,L3:96M,8C)ALL3802 GO
Ryzen 7 5800 (Vermeer B2) (3.4GHz,65W,L3:32M,8C)ALL2409 GO
Ryzen 7 5800X (Vermeer) (3.8GHz,105W,L3:32M,8C)ALL2409 GO
Ryzen 7 5800X3D (3.4GHz,105W,L3:96M,8C)ALL3211 GO
Ryzen 7 5800XT(Vermeer) (3.8G,105W,L3:32M,8C)ALL3802 GO
Ryzen 7 PRO 1700(3.0GHz,65W,L3:16M,8C,rev:B1)ALL0309 GO
Ryzen 7 PRO 1700X(3.4GHz,95W,L3:16M,8C,rev:B1)ALL0309 GO
Ryzen 7 PRO 2700(3.2GHz,8C,L3:16M,65W,B2)ALL0303 GO
Ryzen 7 PRO 2700X(3.6GHz,8C,L3:16M,95W,B2)ALL0303 GO
Ryzen 7 PRO 3700 (3.6GHz,65W,L3:32M,8C)ALL0303 GO
Ryzen 7 PRO 4750G (3.6GHz,45-65W,L3:8M,8C)ALL2409 GO
Ryzen 7 PRO 4750GE (3.1GHz,35W,L3:8M,8C)ALL3211 GO
Ryzen 7 PRO 5750G (3.8GHz,65W,L3:16M,8C)ALL2409 GO
Ryzen 7 PRO 5750GE (3.2GHz,35W,L3:16M,8C)ALL2409 GO
Ryzen 9 3900 (3.1GHz,65W,L3:64M,12C)ALL0309 GO
Ryzen 9 3900X (3.8GHz,105W,L3:64M,12C,B0)ALL0309 GO
Ryzen 9 3900XT (3.8GHz, 105W,L3:64M,12C)ALL0309 GO
Ryzen 9 3950X (3.5GHz,105W,L3:64M,16C)ALL0309 GO
Ryzen 9 5900 (Vermeer) (3.0GHz, 65W, L3:64M, 12C)ALL3205 GO
Ryzen 9 5900X (Vermeer) (3.7GHz,105W,L3:64M,12C)ALL2409 GO
Ryzen 9 5900XT(Vermeer) (3.3G,105W,L3:64M,16C)ALL3802 GO
Ryzen 9 5950X (Vermeer) (3.4GHz,105W,L3:64M,16C)ALL2409 GO
Ryzen 9 PRO 3900 (3.1GHz,65W,L3:64M,12C)ALL0303 GO
Product has High-Definition Multimedia Interface.
  • Products certified by the Federal Communications Commission and Industry Canada will be distributed in the United States and Canada. Please visit the ASUS USA and ASUS Canada websites for information about locally available products.
  • All specifications are subject to change without notice. Please check with your supplier for exact offers. Products may not be available in all markets.
  • Specifications and features vary by model, and all images are illustrative. Please refer to specification pages for full details.
  • PCB color and bundled software versions are subject to change without notice.
  • Brand and product names mentioned are trademarks of their respective companies.
  • The terms HDMI and HDMI High-Definition Multimedia Interface, HDMI trade dress and the HDMI Logos are trademarks or registered trademarks of HDMI Licensing Administrator, Inc. in the United States and other countries.