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
Maxsun MSD48G30Q3 8GB 
Micron Technology 4ATF1G64AZ-3G2B1 8GB