The current requirements to run a masternode are as follows:

Hardware          CPU (Core)                RAM (Memory)       Storage             SWAP             Operating System

Minimum          1 x 1 GHz       2 GB          50 GB          2 GB          Ubuntu 18.04 x64

Recommended 2 x 2 GHz 4 GB 50 GB 0 GB Ubuntu 18.04 x64

We HIGHLY recommend to run Energi Core Node on a VPS, as your machine's IP will be displayed publicly in our Masternodes list.

Collateral required: In order to run a Masternode you need to have at least 1000 NRG.
You can add in multiples of 1000 NRG to a maximum of 100000 NRG.