Item has been cheaper before but this price doesn't require Prime membership.
Currently on back order but still worth it because rumours are DDR3 price is going upwards from here as demand drops due to rise in demand for DDR4
Product Description
BLT2KIT8G3D1869DT1TX0 is a 16GB kit consisting of (2) 8GB DDR3 Performance modules that operates at speeds up to 1866 MT/s and has a CL9 latency with extended timings of 8-8-8-24. It is Performance and is non-ECC. It conforms to the industry standard UDIMM layout of 240 pins and is compatible with computers that take DDR3 UDIMM memory.
Did DDR3 get more expensive or something?