cache.t2.micro is an AWS ElastiCache size with 1 vCPU, 0.555 GiB memory. In US East (N. Virginia) it costs $0.017 per hour on demand ($12.41 per month) for Redis. It is sold in 18 regions.
Prices by region
USD per hour, Redis. Reserved prices are no upfront, standard. Cheapest on-demand first.