m2.xlarge is an AWS EC2 instance with 2 vCPUs, 17.1 GiB memory (Intel Xeon Family). In US East (N. Virginia) it costs $0.245 per hour on demand ($178.85 per month) for Linux; a 1-year reserved instance with no upfront costs $0.111 per hour, 55% less. Spot capacity is about $0.055 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.