m2.2xlarge is an AWS EC2 instance with 4 vCPUs, 34.2 GiB memory (Intel Xeon Family). In US East (N. Virginia) it costs $0.49 per hour on demand ($357.70 per month) for Linux; a 1-year reserved instance with no upfront costs $0.222 per hour, 55% less. Spot capacity is about $0.1023 per hour. It is sold in 9 regions.
Prices by region
USD per hour, Linux. Reserved prices are no upfront, standard. Cheapest on-demand first.