The Standard edition is designed for small-to-medium-sized organizations that need no more than two instances of the server software in a virtual operating system.

Minimum System Requirements
Processor: 1.4Ghz 64-bit processor.
RAM: 512 MB
Disk Space: 32 GB
Network: Gigabit (10/100/1000baseT) Ethernet adapter, 1Gbps connection is ideal.
Optical Storage: DVD drive (if installing the OS from DVD media)