RAM & Memory Upgrades
Samsung M393B2G70DB0-YK0-16GB DDR3 1600MHz memory module ECC (16GB DDR3 PC3-12800 1600MHz ECC Reg CL11 1.35V RDIMM)
Capacity:16GB Speed:PC3-12800 1600MHz Type:DDR3 Mfr Part Number:M393B2G70DB0-YK0 ECC:Yes
https://www.bizrate.co.uk/ram_memoryupgrades/samsung-m393b2g70db0-yk0-16gb-ddr3-1600mhz-memory-oid25206825122.html