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 | v1.8.4 | v2.19 | 
| Network Infrastructure | High-throughput Ethernet connection, at least 1 Gigabit, recommended | High-throughput Ethernet connection, at least 1 Gigabit, recommended | 
| Server Configuration | Single multiprocessor, multicore computer running Linux, or a cluster of Linux servers with a head node Recommended cluster configuration: SGE | Single multiprocessor or a multicore computer running Linux | 
| Operating System | CentOS 5 recommended May be possible to install and run on other 64-bit Linux distributions or Unix variants | CentOS 6 (or later) or Red Hat Enterprise Linux 6 recommended May be possible to install and run on other 64-bit Linux distributions or Unix variants | 
| Memory Requirements | 2 GB RAM per core | 32 GB RAM | 
| Software Requirements | 
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