Microsoft Fabric: Capacity Options and Cost Management, Part 1; The Basics

Microsoft Fabric: Capacity Options and Cost Management, Part 1

Microsoft Fabric is a SaaS platform that allows users to get, create, share, and visualise data using a wide set of tools. It provides a unified solution for all our data and analytics workloads, from data ingestion and transformation to data engineering, data science, data warehouse, real-time analytics, and data visualisation. In a previous blog post, I explained the basics of the Microsoft Fabric data platform. In a separate blog post, I explained some Microsoft Fabric terminologies and personas where I explained what Tenant and Capacities are.

In this blog post, we will explore the different types of Fabric capacities, how they affect the performance and cost of our Fabric projects, and how you can control the capacity costs by pausing the capacity in Azure when it is not in use.

Fabric capacity types

Fabric capacities are the compute resources that power all the experiences in Fabric. They are available in different sizes and prices, depending on our needs and budget. We can currently obtain Fabric capacities in one of the following options:

If we want to purchase Microsoft Fabric capacities on Azure, they come in SKUs (Stock Keeping Units) sized from F2 – F2048, representing 2 – 2048 CU (Capacity Units). A CU is a unit of measure representing the resource power available for a Fabric capacity. The higher the CU, the more resources we get on our Fabric projects. For example, an F8 capacity has 8 CUs, which means it is four times more powerful than an F2 capacity, which has 2 CUs.

When purchasing Azure SKUs with a pay-as-you-go subscription, we are billed for compute power (which is the size of the capacity we choose) and for OneLake storage, which is charged for the data stored in OneLake per gigabyte per month (approximately $0.043 (New Zealand Dollar) per GB). OneLake is the unified storage layer for all the Fabric workloads. It allows users to store and access our data in a secure, scalable and cost-effective way.

Azure Fabric capacities are priced uniquely across regions. The pay-as-you-go pricing for a Fabric capacity at Australia East region is $0.3605 (NZD) per CU per hour, which translates to a monthly price of $526.217 (NZD) for an F2 ($0.3605 * 2 * 730 hours).

Microsoft Fabric pricing overview

It is important to note that billing is per second with a one-minute minimum. Therefore, we will be billed for when the capacity is not in use. Here is a full list of prices available at the Azure portal by selecting our Fabric capacity region.

Now that we have an indication of the costs of owning Microsoft Fabric capacities let’s explore the methods to control the cost.

Nuances of Fabric’s Cost of Ownership

It is important to note that all the math we have gone through in the previous section is just about the capacity itself. But are there any other costs that may apply? The answer is it depends. If we obtain any SKUs lower than F64, we must buy Power BI Pro licenses per user on top of the capacity costs. For the tiers above F64, we get unlimited free users but, BUT, we still have to purchase Power BI Pro licenses for all developers on top of the cost of the capacity itself.

Another gotcha is that the Fabric experiences are unavailable to either Power BI Premium (PPU) users or the Power BI Embedded capacities. Just be mindful of that.

The good news for organisations owning Power BI Premium capacities is that you do not need to do anything to leverage Fabric capabilities. As a matter of fact, you already own a Fabric capacity, you just need to enable it on your tenant.

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