DDR3 Memory Modules
DDR3 - leader in performance, is the most popular, refers to the RAM of the third generation. Uses voltage by 30-40% less than DDR2 (1.5 V). Has clock rate up to 1800 MHz. Features fast performance, data transfer rate up to 19200MB/s. DDR3 is not compatible with DDR2.
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Memory name
Latency (ns)
Read (MB/s)
Write (MB/s)
Price
Corsair CMZ16GX3M4X1600C9 4GB 
Cortus SAS M08GD16P1600C10 8GB