Blob storage is much less than file storage.
Scalable object storage for documents, videos, pictures, and unstructured text or binary data. Choose from Hot, Cool, or Archive tiers.
Prices for locally redundant storage (LRS) Archive Block Blob start from:$0.001/GB per month
Azure Data Lake Storage
Combines the power of a Hadoop compatible file system with integrated hierarchical namespace with the massive scale and economy of Azure Blob Storage to help speed your transition from proof of concept to production.
Prices for LRS start from:$0.001/GB per month
Persistent, secured disks that support simple and scalable virtual machine deployment. Designed for 99.999% availability. Choose Premium (SSD) Disks for low latency and high throughput.
Prices for Standard Managed Disks start from: $1.54 per month
Fully managed file shares in the cloud, accessible via standard Server Message Block (SMB) protocol. Enables sharing files between applications using Windows APIs or REST API.
Prices for LRS File storage start from:$0.058/GB per month