AddOn 16GB DDR3 SDRAM Memory Module - 16 GB (1 x 16GB) - DDR3-1866/PC3-14900 DDR3 SDRAM - 1866 MHz - 1.50 V - ECC - Registered - 240-pin - DIMM - Lifetime Warranty

Fujitsu® S26361-F3793-E516 Compatible Factory Original 16GB DDR3-1866MHz Registered ECC Dual Rank x4 1.5V 240-pin RDIMM