Kingston Technology 8GB DDR3 1600MHz PC3-12800 Reg ECC 1.5V Memory for select Cisco Servers KCS-B200B/8G One 8GB Module of 1600MHZ DDR3 Memory UCS-MR-1X082RY-A (Cisco) Backed by a lifetime warranty and free technical support From the industry leader in PC memory Designed and tested for compatibility in various Cisco servers