Power requirement is the single largest individual cost factor for a customer’s colocation in Vietnam when buying a rack from a DC vendor.
It can also be a minefield to navigate and understand exactly what you will actually need – it is not always easy to estimate the requirements of a new rack deployment, and many factors can affect your overall power consumption.
Understand your requirements upfront
Many first-time colocation buyers assume that estimating your power requirements is as simple as taking the manufacturer-provided wattage requirements of each of your servers and then adding the numbers up. Actually, this is an easy way to overpay, as those numbers are upper thresholds and usually only ever reached at 100% utilization.
Other buyers turn to online calculators, some of which are quite sophisticated. But they are not infallible either – you still need to factor in your business’ unique consumption patterns and the surrounding DC environment, which can have a significant impact on power draw. The less powerful or effective the colocation Vietnam Hanoi cooling system, for example, the more work your servers’ fans may have to do themselves to attempt to maintain lower temperatures and airflow internally.
Finally, it is hard to know exactly how much power you need until your servers are up and running in situ. If you are unsure, you can arrange with your vendor to start with a small amount of power, manage your consumption over a given timeframe, and then scale up if necessary – though the ability to work in this way will of course depend on your vendor’s willingness to offer you that flexibility from day one to help you out in the long run.
A colocation DC will always use a large amount of power for supporting infrastructure, so be aware that higher-than-necessary running costs for your vendor, through an aversion to invest the capital into more efficient technologies, may eventually translate into higher overall bills for your rack space.
Many buyers look to power usage effectiveness for an indication of these running costs. This is calculated by dividing the total power consumption of the DC by the amount used specifically by IT equipment within the facility, and a lower PUE is regarded as preferable.
However, be aware this isn’t the be-all and end-all, and is often used more as a marketing tool rather than a sophisticated measure of colocation Vietnam efficiency. In some cases, a higher spend on cooling and other non-IT infrastructure operation is a worthwhile trade-off if the DC is more resilient or provides greater capacity as a result. You can learn more about this in our blog: How important is DC PUE?
For a better idea of a colocation DC’s efficiency, you are recommended visiting the site in person so you can review the quality of power-saving measures like cold aisle containment in the context of their overall resilience. That way, you can reach a more informed conclusion on any bad practices or unnecessary costs in the facility. Don’t end up footing the bill for vendor shortcuts or inefficiencies – always look for best practice in all areas, such as purpose-built cold aisle containment to maximize cooling efficiency.