fbpx

Cloud Storage Cost: 6 Key Factors and Comparing AWS/Azure/Google Cloud

Comparing major cloud storage provider prices AWS/Azure/Google
Because evaluating providers and pricing models can help in optimizing costs without sacrificing features or performance.
Share This Post

How Much Does Cloud Storage Cost? 

Cloud storage cost refers to the expenses associated with using cloud-based services to store data. It varies depending on factors like data volume, frequency of access, and chosen storage solutions. Understanding these costs is important to plan and budget for cloud investments. Evaluating providers and pricing models can help in optimizing costs while ensuring organizations receive the storage features, reliability and performance they need.

Cloud storage costs typically include fees based on storage volume and duration, as well as additional charges that may arise from data retrieval, transfer, and management. These costs can be influenced by geographical data distribution, compliance requirements, and the need for redundancy. In addition, many providers offer several storage tiers that provide lower cost in exchange for slower performance or limited retrieval.

Another important aspect impacting storage costs is the type of cloud storage service: 

  • Block storage is suitable for databases or applications requiring frequent read/write operations. It offers high performance and is often priced higher due to its speed and reliability. 
  • File storage, resembling traditional storage systems, supports hierarchical file organization and is suitable for document storing and sharing. It usually provides a balance between cost and performance.
  • Object storage is optimized for handling large volumes of unstructured data, such as media files. It is usually the most scalable and cost-effective option for massive data volumes. 

This is part of a series of articles about cloud costs

In this article:

Key Factors Influencing Cloud Storage Pricing 

Here are the main factors that influence the cost of cloud storage:

1. Storage Capacity and Data Size

Providers typically charge based on the amount of data stored, often priced per gigabyte or terabyte. Larger data sizes translate directly into higher costs. Adjusting storage usage efficiently can lead to considerable cost savings without sacrificing data access needs. Regular audits can ensure that storage is optimized and unused data is cleared.

Data growth over time can inflate storage costs significantly. As organizations generate more data, they must continually assess their storage needs and adjust plans accordingly. Using data compression and deduplication strategies can help in managing storage size and associated costs.

2. Data Durability and Availability Requirements

Cloud providers offer various levels of data durability, represented in terms like nines (e.g., “six nines” or 99.9999%), reflecting the likelihood of lost data. Higher durability guarantees often come with increased costs. Organizations must balance data safety with cost efficiency, selecting durability levels that align with their critical data needs.

Availability requirements, indicating how accessible data is, are another consideration influencing costs. High availability ensures minimal downtime but often increases expenses due to the need for additional resources.

TIP: Consider how multi-cloud redundancy can reduce costs while maintaining high durability.

3. Data Access Frequency and Retrieval Patterns

Frequently accessed data, or “hot” data, typically incurs higher costs due to the resources required for quick retrieval. “Cold” data, accessed less frequently, benefits from lower costs. Providers often designate tiers for these different access patterns, making tiered storage an effective cost management solution.

Retrieval patterns, including the size and frequency of data retrieval, also add to the cost structure. High retrieval rates can lead to increased bandwidth and processing, inflating costs. By categorizing data based on access necessity and adjusting storage policies accordingly, organizations can optimize their expenditure on cloud storage.

4. Data Transfer and Egress Costs

Data transfer and egress costs are often overlooked but crucial elements of cloud storage pricing. They refer to fees charged for moving data in and out of the cloud provider’s network. Higher transfer volumes can lead to substantial additional costs. Understanding these charges and their implications can help organizations plan data movement and prevent budget overruns.

Strategically managing data transfers through practices like local data retrieval, compression, or using multi-region caching can help reduce these costs. Additionally, organizations can take advantage of data transfer credits or free-tier offerings provided by some cloud vendors.

5. Geographic Location of Data Storage

Data housed in regions with more expensive infrastructure or stricter regulatory requirements may incur higher costs. Additionally, cross-region data transfers add further expense, prompting organizations to evaluate their geographic needs carefully. Choosing data centers closer to end-users can minimize latency and improve performance while keeping costs in check.

Organizations with global operations must also consider compliance with data sovereignty laws, which can affect where data is stored. Providers often offer multi-region or geo-redundant storage solutions to address these issues, each impacting pricing differently.

6. Security and Compliance Considerations

Ensuring data protection and regulatory compliance requires additional features such as encryption, access controls, and audits, which often come at a premium. Organizations must evaluate the necessity and cost of these features based on the industry standards and regulations they are subject to.

Many cloud providers offer tiered security features, allowing organizations to select options aligned with their risk profiles and regulatory requirements. Investing in stringent security practices minimizes the risk of data breaches and compliance penalties, potentially reducing long-term financial impact.

Cloud Storage Pricing Models 

These are the most common pricing models offered by cloud storage providers:

Subscription Pricing

Subscription pricing involves paying a fixed monthly or annual fee for a predefined amount of storage and associated services. This model offers predictable costs and is typically used by organizations with steady and consistent storage requirements. Providers may offer tiered subscription plans, allowing users to select the level of service that best aligns with their needs, such as storage capacity, data transfer limits, or additional features like advanced security.

This pricing model often comes with cost advantages through discounts for long-term commitments. However, it may not be ideal for organizations with fluctuating storage demands, as unused capacity still incurs costs. To maximize the value of subscription pricing, organizations should closely assess their current and projected storage needs to avoid underutilization or overpaying for unused resources.

Pay-As-You-Go

The pay-as-you-go model charges users based on actual cloud storage usage, offering flexible scaling options. This model is advantageous for organizations with varying storage needs, as it avoids the commitment of upfront payments. However, unpredictable usage can lead to variegated monthly costs, potentially complicating budget management. 

While it provides flexibility, pay-as-you-go may not always be the most cost-effective for stable, long-term projects. Organizations with consistent storage requirements might find reserved capacity options more economical in the long run.

Reserved Capacity and Commitment Plans

Reserved capacity plans are for organizations with predictable usage patterns, offering a discounted rate by committing to a certain storage capacity over a specified period. This model suits organizations that can forecast their storage needs accurately, allowing them to maximize savings. 

Committing to reserved plans can reduce costs significantly over time compared to pay-as-you-go models, but may limit flexibility in changing requirements. These plans require careful planning and resource allocation strategies to avoid penalty fees associated with underutilization. 

✅ Pro Tip: With N2W, you can easily monitor AWS volume usage and set alerts for high or low usage.

Tiered Storage Classes

Tiered storage classes address varying data access needs, optimizing costs by categorizing data based on frequency of access and retrieval patterns. Classes often include hot, cool, and cold tiers, each with its own cost implications. Hot storage is pricier due to fast access, suitable for frequently used data, while cool and cold storage are cost-effective for infrequent access.

Organizations benefit from cost savings by aligning data with the appropriate tier based on usage requirements. Implementing lifecycle policies that automatically transition data through tiers as it ages improves cost management.

Tips from the Expert
Picture of Sebastian Straub
Sebastian Straub
Sebastian is the Principle Solutions Architect at N2WS with more than 20 years of IT experience. With his charismatic personality, sharp sense of humor, and wealth of expertise, Sebastian effortlessly navigates the complexities of AWS and Azure to break things down in an easy-to-understand way. Connect on LinkedIn

Comparing Major Cloud Storage Provider Pricing 

The cloud storage market features numerous providers. We’ll focus on the “big three” cloud providers, AWS, Azure, and Google Cloud, each of which offers a robust cloud storage solution suitable for enterprises. 

This section provides only a small selection of pricing options across each provider, to give you an idea of typical costs. To see additional pricing options and up-to-date pricing, refer to the official pricing page for each provider.

Amazon Web Services (AWS) Storage Services

AWS provides a comprehensive suite of storage solutions:

  • Amazon Simple Storage Service (S3): An object storage service designed for scalability, data availability, security, and performance. It’s suitable for data lakes, backups, and content distribution.
  • Amazon Elastic Block Store (EBS): Offers block storage volumes for use with Amazon EC2 instances, suitable for applications requiring low-latency access to data.
  • Amazon Elastic File System (EFS): Provides scalable file storage for use with AWS Cloud services and on-premises resources, supporting the NFS protocol.

Here are the current pricing details for various AWS storage solutions in the US East (N. Virginia) region:

ServicePricing Details
Amazon S3Standard Storage: $0.023 per GB for the first 50 TB each month.- Standard-Infrequent Access (S3 Standard-IA): $0.0125 per GB.- One Zone-Infrequent Access: $0.01 per GB.Additional charges apply for data retrievals, requests, and data transfers.
Amazon EBSGeneral Purpose SSD (gp3): $0.08 per GB-month.- Provisioned IOPS SSD (io1): $0.125 per GB-month plus $0.065 per provisioned IOPS-month.- Throughput Optimized HDD (st1): $0.045 per GB-month.- Cold HDD (sc1): $0.025 per GB-month.Snapshot storage is charged at $0.05 per GB-month.
Amazon EFSStandard Storage: $0.30 per GB-month.- One Zone Storage: $0.16 per GB-month.- Infrequent Access (IA) Storage: $0.025 per GB-month.- One Zone-IA Storage: $0.0133 per GB-month.Data transfer charges apply when reading from or writing to IA storage classes.

Microsoft Azure Storage Solutions

Azure offers a variety of storage services to meet diverse requirements:

  • Azure Blob Storage: Optimized for storing large amounts of unstructured data, such as text or binary data. It’s suitable for serving images or documents directly to a browser.
  • Azure Files: Provides fully managed file shares in the cloud accessible via the SMB protocol, enabling integration with on-premises environments.
  • Azure Disk Storage: Delivers high-performance, durable block storage volumes for Azure Virtual Machines, suitable for mission-critical applications.

Here are the current pricing details for various Azure storage solutions in the East US 2 region:

Azure ServicePricing Tier/TypePricing Details
Azure Blob StoragePremium$0.15/GB for storage; $0.0228/10K write operations; Free data write
Hot$0.018/GB for storage; $0.065/10K write operations; Free data write
Cool$0.01/GB for storage; $0.13/10K write operations; Free data write
Archive$0.002/GB for storage; $6.50/10K high-priority read operations; Early deletion fees
Azure FilesPremium (SSD, provisioned)$0.16/GB for storage; $0.1360/GB for snapshots; Discounts for 1- or 3-year commitments
Standard (HDD, provisioned)$0.0073/GB for storage; $0.0402/IOPS; $0.0599/throughput per MiB/s
Azure Disk StoragePremium SSD (LRS)$0.01825/GB for storage; $0.12/GB for snapshots stored in premium
Premium SSD (ZRS)$0.02701/GB for storage; $0.12/GB for snapshots stored in premium

Google Cloud Storage Options

Google Cloud provides flexible storage services:

  • Cloud Storage: A unified object storage service with varying classes (Standard, Nearline, Coldline, and Archive) to optimize cost and performance based on data access frequency.
  • Persistent Disk: Durable, high-performance block storage for virtual machine instances, offering SSD and HDD options to balance performance and cost.
  • Filestore: Managed file storage service for applications requiring a file system interface and shared file storage with low latency and high throughput.

Here are the current pricing details for various Google Cloud storage solutions in the North East region:

Google Cloud ProductPricing Tier/TypePricing Details
Google Cloud StorageStandard Storage$0.020/GB per month in Iowa; $0.023/GB in Northern Virginia.
Nearline Storage$0.010/GB per month in Iowa; $0.013/GB in Northern Virginia. 30-day minimum storage duration.
Coldline Storage$0.004/GB per month in Iowa; $0.006/GB in Northern Virginia. 90-day minimum storage duration.
Archive Storage$0.0012/GB per month in Iowa; $0.0025/GB in Northern Virginia. 365-day minimum storage duration.
Operations$0.005 per 1,000 Class A operations for Standard Storage; $0.020 for Coldline.
Google Cloud Persistent DiskStandard Disk (HDD)$0.044/GB per month in Northern Virginia. IOPS included in price.
SSD Disk$0.187/GB per month in Northern Virginia. IOPS included in price.
Balanced Disk$0.11/GB per month in Northern Virginia.
Snapshots$0.05/GB for standard snapshots; $0.019/GB for archive snapshots.
Google Cloud FilestoreBasic HDD$0.00026/GB per hour (~$0.19/GB per month) in Northern Virginia.
Basic SSD$0.000493/GB per hour (~$0.36/GB per month) in Northern Virginia.
Zonal and High Scale$0.000411/GB per hour (~$0.30/GB per month) in Northern Virginia.
Regional and Enterprise$0.000734/GB per hour (~$0.536/GB per month) in Northern Virginia.
Backups$0.10/GB per month; incremental backups charged only for changed data.

7 Cost Optimization Strategies for Cloud Storage

Organizations can optimize their storage costs in the cloud using the following practices.

1. Implementing Data Lifecycle Policies

Data lifecycle policies automate the transition of data through different storage tiers based on its age and access frequency. These policies ensure that data is retained cost-effectively, minimizing expenses associated with high-access storage. Automating data lifecycle management helps organizations reduce manual oversight and eliminate excessive costs.

By classifying data and setting rules for migration across storage classes, organizations can optimize resource use. Leveraging native cloud provider tools for implementing lifecycle policies simplifies the management process.

✅ Pro Tip: With N2WS, you can automate lifecycle transitions, ensuring data is always stored in the most cost-efficient tier without requiring constant manual intervention.

2. Using Appropriate Storage Classes

Selecting suitable storage classes based on data access patterns is a key cost optimization strategy. Hot storage caters to high-access needs but incurs higher costs, while cool and cold storage offers lower-cost options for less frequent access. 

By matching data to the appropriate storage class, organizations can efficiently balance performance needs with cost considerations. Using lifecycle management to transition data between storage classes as access patterns change further refines cost efficiency.

3. Data Compression and Deduplication

Implementing data compression and deduplication reduces storage footprints by minimizing redundant and repetitive data. Compression reduces the size of data, which translates to direct cost savings in storage. Deduplication removes duplicate data entries, potentially saving significant amounts of storage space, especially in environments with repetitive data patterns.

By using these techniques, organizations can improve data management without compromising on data integrity or accessibility. Employing built-in cloud provider tools or third-party solutions ensures data is stored in the most efficient way possible.

4. Archiving and Cold Storage Solutions

Archiving solutions provide cost-effective storage for infrequently accessed data. Cold storage, with its lower frequency and speed of access, offers the most budget-friendly solution for archival needs. This form of storage is suitable for long-term retention of data that does not require immediate access, saving significant storage costs over time.

Implementing strategies that differentiate between active and archived data helps organizations optimize their storage expenses. Using policies for automatic data archiving ensures that data is transferred to cost-efficient storage promptly.

5. Minimizing Data Egress Charges

Data egress charges are costs incurred when transferring data out of cloud storage solutions. These fees can become substantial, particularly with high-frequency data transfers. Minimizing egress costs involves strategic data management practices, such as reducing unnecessary data movement and optimizing data retrieval routes within available zones.

Employing geo-redundant solutions or using integrated data caching can help mitigate these charges. Additionally, organizations should evaluate providers that offer favorable egress terms to align with their data transfer needs.

6. Regularly Reviewing Storage Utilization

Regularly reviewing storage utilization involves frequent audits of current storage practices to identify inefficiencies and areas for optimization. Understanding where and how storage is used helps organizations eliminate unnecessary data, ensuring optimized resource use. Conducting these reviews systematically prevents waste and ensures alignment with business objectives.

Organizations benefit from using tools that offer detailed analytics, enabling informed decisions on data management practices. Shifting unnecessary or infrequently used data to more economical storage solutions aids in cost control.

✅ Pro Tip: N2WS offers detailed analytics and reporting to help organizations identify unused data and optimize tiering, ensuring no storage resources are wasted.

Optimizing Cloud Storage Cost with N2WS Cloud Backup

Optimizing cloud storage costs requires a proactive approach to monitoring, automation, and efficient data management. N2WS Cloud Backup simplifies these efforts by providing:

  • Multi-cloud cost optimization: Automate backup and retention policies across AWS, Azure, and other platforms, reducing storage costs while maintaining compliance.
  • Real-time analytics: Gain visibility into storage usage and costs with detailed reports and alerts, helping prevent budget overruns.
  • Cross-cloud replication: Eliminate the risk of vendor lock-in and expensive egress charges with seamless cross-cloud backup replication.
  • Set-it-and-forget-it automation: Simplify lifecycle transitions, tiering policies, and disaster recovery drills to maximize savings without manual oversight.

Ready to save even more on AWS? Download our free guide, “7 Ways to Save in AWS” for expert tips on snapshot retention, compute resource hacks, and more. Take control of your cloud costs today!

Next step

The easier way to save on cloud storage

Allowed us to save over $1 million in the management of AWS EBS snapshots...

N2WS vs AWS Backup

Why chose N2WS over AWS Backup? Find out the critical differences here.

N2WS in comparison to AWS Backup, offers a single console to manage backups across accounts or clouds. Here is a stylized screenshot of the N2WS dashboard.