This kit includes two 2 GB modules, and carries the model number KHX1600C9D3X1K2/4G. The modules achieve 1600 MHz speeds with timings of 9-9-9-24, and DRAM voltage of 1.65V, making it compatible with Core i5/i7 LGA1156 platform. Backed by a lifetime warranty, it is priced at around €75.
Source: TPU