Timetec Hynix IC 16GB Kit (2x8GB) DDR3 1866MHz PC3-14900 Unbuffered Non-ECC 1.5V CL13 2Rx8 Dual Rank Desktop Memory Ram Module Upgrade (16GB Kit (2x8GB)) DDR3  1866MHz  PC3-14900  204 Pin  Unbuffered  Non-ECC  1.5V  CL13  Dual Rank  2Rx8 based  512x8 JEDEC standard 1.5V (1.425V ~1.575V) Power Supply Module Size: 8GB  Package: 2x8GB  For Desktop Computer, Not for Laptop For Selected Acer , Alienware , AOpen , Apple , ASRock , ASUS/ASmobile , Clevo , Dell , DFI , EliteGroup (ECS) , Foxconn , Fujitsu , Gigabyte , HP/Compaq , Intel , Lenovo , MSI , NEC , QNAP , Samsung , Shuttle , Sony , Supermicro , Toshiba , Twinhead , ZOTAC Guaranteed  Lifetime warranty from Purchase Date  Free technical support (support@timetecinc.com)  MON - FRI 9AM-6PM PST  Timetec website: https://www.timetecinc.com/