DataTank Mining deploys mining capacity in packages of mining container units with a capacity of an average of 1.2 MegaWatts (MW) or 1200kW at the 12V power output available to mining boards. Therefore, three of the permanent measures of capacity at DataTank Mining are MW, kW (measured at the 12V level) and number of Container Mining Units.
kW = Kilo Watt = 1000 Watt
MW = Mega Watt = 1 Million Watt
In addition to that, there are six (6) tanks in each container mining unit. Each tank currently comes with 100 power supply units (PSUs), delivering 200-240kW (240,000 Watts) 12V output power per tank, which is then used by mining boards. Power supplies are reused and stay in place, but can easily be replaced with different or denser models in the future, including with different voltages (48V).
The cooling capacity of a tank is not limited to 240kW and each tank is fed with a dedicated 800 Ampere 3-phase power feed, giving a theoretical power limit of >500kW per tank without any infrastructure changes.
These measures of capacity are in contrast to MH/s, GH/s or PH/s or other measures of hashing power. These measures are important to calculate mining income at a certain period of time, but they change depending on network difficulty and currency being mined. What does not change over time, is the available power, infrastructure and cooling capacity.
Once installed and deployed, 1.2MW will be 1.2MW, no matter what hardware is deployed or what currency is mined. This can be 2PH of 40nm ASIC chips today, and a lot more PH at exactly the same power consumption in 6-12 months down the road, by simply changing to hashing boards with 28nm chips or a different hardware type altogether (Scrypt mining boards) .
The infrastructure does not change for such an upgrade-deployment, it can be carried out within hours as no single cable needs to be connected (boards slide in), and no further investment (except the new mining hardware) is needed. Partial deployments are possible, for instance half Scrypt ASIC and half SHA256 ASIC boards.