Just like this deal, but even lower in price, and from UK instead of US. They should be Micron Rev E die, and has been described to be fairly good at overclocking up to 4000MHz.
Model - BL2K8G36C16U4R
Speed - DDR4-3600
CAS Latency - 16
DRAM Family - Ballistix
Density - 16GB Kit (8GBx2)
Colour - Red
Brand - Crucial
Extended Timings - 16-18-18-38
Form Factor - UDIMM
Technology - DDR4
Voltage - 1.35V
PC Speed - PC4-28800
Kit Qty - 2
DIMM Type - Unbuffered
I want the 32GB version of this, but it seems to have supply issues ATM.