At Taipei Corsair and Crucial both revealed their DDR4 Memory, but all are without heatsink and only PCB and particles has been shown, now Micron Crucial and Corsair comes with their Complete DDR4 Products.
DDR4 with Heatshink looks better: Crucial Ballistix Elite and Corsair Dominator Platinum DDR4 Memory
Crucial is affiliated with Ballistix Elite series, single capacity 4/8/16GB , frequency is standard 2133MHz, will provide single, dual, quad-channel multiple sets.
Micron takes particles from their own factories located in Ohio, did not have to say the quality of the natural.
Heatsink is not complicated, straight way to aluminium.
Corsair’s existing high-end series Dominator Platinum 2400MHz, very large heat sink. Also show their Low-End Series Value Select , the frequency is not mention at Ram but would be 2133MHz and no heat sink.