SUN BLADE X6450 Server Module Certifications Product Versions Level Red Hat Enterprise Linux (x86_64) 5.x Certified [1] Red Hat Enterprise Linux 4.6 - 4.x Certified [2] Additional Notes What version of Red Hat Enterprise Linux is required to support Intel Xeon 7400 series processors (codename "Dunnington")? Are the Intel Xeon 7400 series processors supported on my Sun Blade X6450? Vendor: Sun Microsystems, Inc.