16-Gigabyte server modules based on DDR4 memory technology

SAMSUNG SEMICONDUCTOR 16-gigabyte (GB) double data rate-4 (DDR4), registered dual inline memory modules (RDIMMs) use 30nm-class process technology and are suitable for use in enterprise server systems. Sampled 8GB and 16GB DDR4 modules deliver high density and performance levels to premium enterprise server systems. Employing new circuit architecture for computing systems, product efficiently processes data at 1.2 volts. DDR4 modules reduce power consumption by approximately 40% compared to its predecessor DDR3 modules operating at 1.35V.

http://www.samsung.com/GreenMemory