Cisco UCS-MR-1X162RY-A= UCS 16GB DDR31600 MHz Mem UCS-MR-1X162RY-A CISCO APPROVED MAJOR ORIGINAL RAM 16GB PC3L-12800 ECC REG LOW VOLTAGE 1.35v 1600MHZ THIS IS THE SAME PRODUCT CISCO SHIPS IN THEIR SERVERS AT A FRACTION OF THE COST PRODUCT IS 110% APPROVED FOR YOUR SERVER DON'T TRUST 3RD PARTY OPTIONS FOR YOUR MOST CRITICAL NEEDS LIMITED LIFETIME WARRANTY