Timetec Hynix 16GB KIT (2x8GB) DDR3 1333MHz PC3-10600 Registered ECC 1.5V CL9 2Rx4 Dual Rank 240 Pin RDIMM Server Memory Ram Module Upgrade (Server Only, Not for Desktop/Laptop) (16GB KIT (2x8GB)) HMT31GR7AFR4C DDR3 1333MHz PC3-10600 240-Pin Registered ECC 1.5V CL=9 Dual Rank 2Rx4 based 512x4 JEDEC standard 1.35V (1.28V ~ 1.45V) and 1.5V (1.425V ~ 1.575V) Power Supply This is a dual voltage piece and can operate at 1.35V or 1.5V Module Size: 16GB Package: 2x8GB A must for Servers, Not for Desktop PCs/Laptop For Selected ASUS/ASmobile , Gigabyte , Huawei , Intel , Mitsubishi , Quanta , Supermicro , Tyan Computers Guaranteed  3 months warranty from Purchase Date Free technical support (support@timetecinc.com) Timetec website: https://www.timetecinc.com/