DDR4 Memory Modules
DDR4 is installed in stationary computers, laptops, monoblocks. Voltages are lowered to 1.2V compared to DDR3. Clock frequency range up to 4400 MHz. More power efficient and faster than its predecessor. But inferior to DDR3 in terms of memory timing due to the specific architecture.
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Memory name
Latency (ns)
Read (MB/s)
Write (MB/s)
Price
Heoriady M471A1K43CB1-CTD 8GB 
Hewlett-Packard 7EH55AA# 8GB 
Hoodisk Electronics Co Ltd GKE160SO102408-2400 16GB