# Amazon Simple Storage Service (S3) vs Backblaze B2 Cloud Storage Comparison
---
## AI Generated Summary
- **G2 reviewers report** that Amazon S3 excels in its integration capabilities, particularly for data engineering workflows. Users appreciate its seamless compatibility with tools like AWS Glue, EMR, and Athena, making it a preferred choice for complex ETL processes.
- **Users say** that Backblaze B2 Cloud Storage stands out for its straightforward pricing model and ease of use. Many find it refreshing that there are no complex tiers, allowing for simple browser-based uploads and easy setup, which is particularly beneficial for small businesses.
- **Reviewers mention** that Amazon S3 is highly regarded for its scalability and availability, with users noting its effectiveness in handling large volumes of data. One user highlighted its role in storing attachments from Salesforce, which significantly reduced their storage costs.
- **According to verified reviews** , Backblaze B2 is praised for its customer support, with users appreciating the option to receive a hard drive for data transfer when internet speeds are slow. This feature is particularly useful for those with limited bandwidth.
- **G2 reviewers highlight** that while both products have similar star ratings, Amazon S3's higher G2 Score reflects greater overall satisfaction among users, particularly in enterprise environments where robust features and integrations are crucial.
- **Users report** that Amazon S3's extensive documentation and community support make it easier to troubleshoot and optimize usage, whereas some Backblaze B2 users have expressed a desire for more comprehensive resources to assist with advanced configurations.



| | Amazon Simple Storage Service (S3) | Backblaze B2 Cloud Storage | 
|---|---|---|
| **Star Rating** | 4.6 out of 5 | 4.6 out of 5 | 
| **Total Reviews** | 948 | 114 | 
| **Largest Market Segment** | Enterprise (39.4% of reviews) | Small-Business (73.4% of reviews) | 
| **Entry Level Price** | No pricing available | Starting at $1,560.00 Per Year | 

---
## Top Pros & Cons

### Amazon Simple Storage Service (S3)

Pros:
- Scalability (9 reviews)
- Features (7 reviews)

Cons:
- Pricing Issues (6 reviews)
- Complex Features (3 reviews)

### Backblaze B2 Cloud Storage

Pros:
- Affordable (17 reviews)
- Reliability (14 reviews)

Cons:
- Poor Interface Design (4 reviews)
- Poor Navigation (4 reviews)

---
## Ratings Comparison
| Rating | Amazon Simple Storage Service (S3) | Backblaze B2 Cloud Storage | 
|---|---|---|
  | **Meets Requirements** | 9.2 (681 reviews) | 9.1 (77 reviews) | 
  | **Ease of Use** | 8.7 (685 reviews) | 8.9 (78 reviews) | 
  | **Ease of Setup** | 8.6 (341 reviews) | 8.6 (49 reviews) | 
  | **Ease of Admin** | 8.5 (314 reviews) | 8.8 (38 reviews) | 
  | **Quality of Support** | 8.6 (605 reviews) | 8.7 (57 reviews) | 
  | **Has the product been a good partner in doing business?** | 9.0 (298 reviews) | 8.9 (36 reviews) | 
  | **Product Direction (% positive)** | 9.0 (639 reviews) | 8.2 (70 reviews) | 

---
## Pricing

### Amazon Simple Storage Service (S3)

#### Entry-Level Pricing

No pricing available

#### Free Trial

Yes

### Backblaze B2 Cloud Storage

#### Entry-Level Pricing

Plan: B2 Reserve

Price: Starting at $1,560.00 Per Year

Description: Always-hot, S3-compatible storage in a capacity-based bundles starting at 20TB

Key Features:
- Storage capacity bundles with all-inclusive pricing
- Free egress up to 3x data storage capacity and transaction call fees included 
- Free data migration to move data from public clouds, on-premises, and tape systems 

[Browse all 2 editions](https://www.g2.com/products/backblaze-b2-cloud-storage/pricing)

#### Free Trial

Yes

---
## Features Comparison By Category

### Server Backup

| Product | Score | Reviews |
|---|---|---|
| **Amazon Simple Storage Service (S3)** | N/A | N/A |
| **Backblaze B2 Cloud Storage** | 8.7/10 | 20 |

#### Compatibility 

| Feature | Amazon Simple Storage Service (S3) | Backblaze B2 Cloud Storage | 
|---|---|---|
| **File Server Backup** | Not enough data | 9.1 (18 reviews) | 
| **Database Server Backup** | Not enough data | 8.7 (10 reviews) | 
| **Virtual Machines** | Not enough data | 8.3 (10 reviews) | 
| **Repository Models** | Not enough data | 8.0 (11 reviews) | 

#### Management

| Feature | Amazon Simple Storage Service (S3) | Backblaze B2 Cloud Storage | 
|---|---|---|
| **Continuous Backup** | Not enough data | 9.1 (16 reviews) | 
| **Disaster Recovery** | Not enough data | 8.5 (13 reviews) | 
| **Storage Capacity** | Not enough data | 9.2 (16 reviews) | 
| **Remote Backup** | Not enough data | 8.9 (15 reviews) | 
| **Activity Monitoring** | Not enough data | 7.8 (13 reviews) | 

#### Compliance

| Feature | Amazon Simple Storage Service (S3) | Backblaze B2 Cloud Storage | 
|---|---|---|
| **Security Standards** | Not enough data | 8.7 (14 reviews) | 
| **Cloud Data Protection** | Not enough data | 8.9 (14 reviews) | 
| **Data Deduplication** | Not enough data | 8.8 (11 reviews) | 

#### Agentic AI - Server Backup

| Feature | Amazon Simple Storage Service (S3) | Backblaze B2 Cloud Storage | 
|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | 
| **Multi-step Planning** | Not enough data | Not enough data | 
| **Cross-system Integration** | Not enough data | Not enough data | 
| **Adaptive Learning** | Not enough data | Not enough data | 
| **Proactive Assistance** | Not enough data | Not enough data | 
| **Decision Making** | Not enough data | Not enough data | 

### Online Backup

| Product | Score | Reviews |
|---|---|---|
| **Amazon Simple Storage Service (S3)** | N/A | N/A |
| **Backblaze B2 Cloud Storage** | 8.6/10 | 33 |

#### Functionality

| Feature | Amazon Simple Storage Service (S3) | Backblaze B2 Cloud Storage | 
|---|---|---|
| **Real-time Sync** | Not enough data | 9.1 (21 reviews) | 
| **Storage Capacity** | Not enough data | 9.8 (27 reviews) | 
| **Remote Backup** | Not enough data | 9.1 (21 reviews) | 
| **Versioning** | Not enough data | 9.4 (21 reviews) | 
| **Mobile Backup Application** | Not enough data | 6.2 (14 reviews) | 

#### Compatibility 

| Feature | Amazon Simple Storage Service (S3) | Backblaze B2 Cloud Storage | 
|---|---|---|
| **Disk Backup** | Not enough data | 8.9 (17 reviews) | 
| **Local Backup** | Not enough data | 8.1 (18 reviews) | 
| **Storage Formats** | Not enough data | 8.9 (16 reviews) | 

#### Management

| Feature | Amazon Simple Storage Service (S3) | Backblaze B2 Cloud Storage | 
|---|---|---|
| **File Sharing** | Not enough data | 7.8 (13 reviews) | 
| **Security Standards** | Not enough data | 8.8 (18 reviews) | 
| **Encrypted Storage** | Not enough data | 9.5 (20 reviews) | 

#### Agentic AI - Online Backup

| Feature | Amazon Simple Storage Service (S3) | Backblaze B2 Cloud Storage | 
|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | 
| **Multi-step Planning** | Not enough data | Not enough data | 
| **Cross-system Integration** | Not enough data | 6.4 (7 reviews) | 
| **Adaptive Learning** | Not enough data | Not enough data | 
| **Proactive Assistance** | Not enough data | Not enough data | 
| **Decision Making** | Not enough data | Not enough data | 

### Disaster Recovery

| Product | Score | Reviews |
|---|---|---|
| **Amazon Simple Storage Service (S3)** | N/A | N/A |
| **Backblaze B2 Cloud Storage** | 8.7/10 | 14 |

#### Functionality

| Feature | Amazon Simple Storage Service (S3) | Backblaze B2 Cloud Storage | 
|---|---|---|
| **On Premises Recovery** | Not enough data | 8.8 (12 reviews) | 
| **Cloud Recovery** | Not enough data | 8.8 (12 reviews) | 
| **Prior State Recovery** | Not enough data | 8.8 (12 reviews) | 
| **Recovery Automation** | Not enough data | 8.0 (10 reviews) | 
| **Replication** | Not enough data | 8.6 (11 reviews) | 

#### Management

| Feature | Amazon Simple Storage Service (S3) | Backblaze B2 Cloud Storage | 
|---|---|---|
| **Local Management** | Not enough data | 8.5 (10 reviews) | 
| **Infrastructure Compatibility** | Not enough data | 8.8 (11 reviews) | 
| **Solution Integration** | Not enough data | 9.0 (12 reviews) | 
| **Real-Time Analytics** | Not enough data | 7.9 (8 reviews) | 
| **RTO and RPO Management** | Not enough data | Feature Not Available | 

#### Agentic AI - Disaster Recovery

| Feature | Amazon Simple Storage Service (S3) | Backblaze B2 Cloud Storage | 
|---|---|---|
| **Autonomous Task Execution** | Not enough data | Not enough data | 
| **Multi-step Planning** | Not enough data | Not enough data | 
| **Cross-system Integration** | Not enough data | Not enough data | 
| **Adaptive Learning** | Not enough data | Not enough data | 
| **Natural Language Interaction** | Not enough data | Not enough data | 
| **Proactive Assistance** | Not enough data | Not enough data | 
| **Decision Making** | Not enough data | Not enough data | 

### Object Storage Solutions

| Product | Score | Reviews |
|---|---|---|
| **Amazon Simple Storage Service (S3)** | 9.2/10 | 65 |
| **Backblaze B2 Cloud Storage** | N/A | N/A |

#### Functionality

| Feature | Amazon Simple Storage Service (S3) | Backblaze B2 Cloud Storage | 
|---|---|---|
| **Versioning** | 9.1 (60 reviews) | Not enough data | 
| **Scalability** | 9.6 (59 reviews) | 9.3 (5 reviews) | 
| **Speed of access** | 9.3 (58 reviews) | Not enough data | 

#### Reliability

| Feature | Amazon Simple Storage Service (S3) | Backblaze B2 Cloud Storage | 
|---|---|---|
| **Redundancy** | 9.2 (54 reviews) | Not enough data | 
| **Availability** | 9.7 (59 reviews) | 9.3 (5 reviews) | 

#### Security

| Feature | Amazon Simple Storage Service (S3) | Backblaze B2 Cloud Storage | 
|---|---|---|
| **Encryption** | 9.3 (54 reviews) | Not enough data | 
| **Auditing** | 8.6 (52 reviews) | Not enough data | 
| **Access control** | 8.8 (58 reviews) | Not enough data | 

#### Compatibility

| Feature | Amazon Simple Storage Service (S3) | Backblaze B2 Cloud Storage | 
|---|---|---|
| **Infrastructure compatibility** | 9.2 (52 reviews) | Not enough data | 
| **Interoperability** | 9.1 (50 reviews) | 6.7 (5 reviews) | 

### Backup

| Product | Score | Reviews |
|---|---|---|
| **Amazon Simple Storage Service (S3)** | N/A | N/A |
| **Backblaze B2 Cloud Storage** | N/A | N/A |

#### Management

| Feature | Amazon Simple Storage Service (S3) | Backblaze B2 Cloud Storage | 
|---|---|---|
| **Disaster Recovery** | Not enough data | Not enough data | 
| **Remote Backup** | Not enough data | Not enough data | 
| **Storage Formats** | Not enough data | Not enough data | 
| **Scheduled Backups** | Not enough data | Not enough data | 
| **On-Demand Restoration** | Not enough data | Not enough data | 

#### Reporting

| Feature | Amazon Simple Storage Service (S3) | Backblaze B2 Cloud Storage | 
|---|---|---|
| **Activity Monitoring** | Not enough data | Not enough data | 
| **Documentation** | Not enough data | Not enough data | 
| **Alerts/Notifications** | Not enough data | Not enough data | 

#### Security

| Feature | Amazon Simple Storage Service (S3) | Backblaze B2 Cloud Storage | 
|---|---|---|
| **Data Encryption** | Not enough data | Not enough data | 
| **Security and Compliance** | Not enough data | Not enough data | 
| **Deduplication ** | Not enough data | Not enough data | 

---
## Categories
**Shared Categories (1):** [Object Storage Solutions](https://www.g2.com/categories/object-storage-solutions)


**Unique to Backblaze B2 Cloud Storage (4):** [Disaster Recovery Software](https://www.g2.com/categories/disaster-recovery), [Online Backup Software](https://www.g2.com/categories/online-backup), [Server Backup Software](https://www.g2.com/categories/server-backup), [Archive Storage Solutions](https://www.g2.com/categories/archive-storage-solutions)


---
## Reviewer Demographics

### By Company Size

| Segment | Amazon Simple Storage Service (S3) | Backblaze B2 Cloud Storage | 
|---|---|---|
| **Small-Business** | 29.3% | 73.4% | 
| **Mid-Market** | 31.3% | 19.3% | 
| **Enterprise** | 39.4% | 7.3% | 

### By Industry

#### Amazon Simple Storage Service (S3)

- **Information Technology and Services:** 19.6%
- **Computer Software:** 17.9%
- **Financial Services:** 6.7%
- **Internet:** 4.2%
- **Marketing and Advertising:** 3.1%
- **Insurance:** 2.5%
- **Education Management:** 2.5%
- **Banking:** 2.0%
- **Hospital & Health Care:** 2.0%
- **Telecommunications:** 2.0%
- **Other:** 37.5%

#### Backblaze B2 Cloud Storage

- **Information Technology and Services:** 14.8%
- **Computer Software:** 8.3%
- **Computer & Network Security:** 6.5%
- **Internet:** 5.6%
- **Marketing and Advertising:** 5.6%
- **Graphic Design:** 3.7%
- **Photography:** 2.8%
- **Airlines/Aviation:** 1.9%
- **Broadcast Media:** 1.9%
- **Construction:** 1.9%
- **Other:** 47.2%

---
## Alternatives

### Alternatives to Amazon Simple Storage Service (S3)

- [Google Cloud Storage](https://www.g2.com/products/google-cloud-storage/reviews) — 4.6/5 stars (601 reviews)
- [Akamai Cloud Computing](https://www.g2.com/products/akamai-cloud-computing/reviews) — 4.6/5 stars (406 reviews)
- [Azure Blob Storage](https://www.g2.com/products/azure-blob-storage/reviews) — 4.6/5 stars (109 reviews)
- [DigitalOcean Spaces](https://www.g2.com/products/digitalocean-spaces/reviews) — 4.4/5 stars (45 reviews)
- [MinIO AIStor](https://www.g2.com/products/minio-aistor/reviews) — 4.3/5 stars (17 reviews)
- [Cloudian HyperStore](https://www.g2.com/products/cloudian-hyperstore/reviews) — 4.7/5 stars (13 reviews)
- [zStorage](https://www.g2.com/products/zstorage-2025-10-01/reviews) — 4.3/5 stars (26 reviews)
- [Wasabi Object Storage](https://www.g2.com/products/wasabi-object-storage/reviews) — 4.4/5 stars (65 reviews)
- [IBM Cloud Object Storage](https://www.g2.com/products/ibm-cloud-object-storage/reviews) — 3.9/5 stars (28 reviews)
- [IDrive Online and SaaS Backup, Object Storage e2](https://www.g2.com/products/idrive-online-and-saas-backup-object-storage-e2/reviews) — 4.4/5 stars (1982 reviews)

### Alternatives to Backblaze B2 Cloud Storage

- [IDrive Online and SaaS Backup, Object Storage e2](https://www.g2.com/products/idrive-online-and-saas-backup-object-storage-e2/reviews) — 4.4/5 stars (1982 reviews)
- [Veeam Data Platform](https://www.g2.com/products/veeam-data-platform/reviews) — 4.6/5 stars (747 reviews)
- [Arctera Backup Exec](https://www.g2.com/products/arctera-arctera-backup-exec/reviews) — 4.2/5 stars (275 reviews)
- [Cove Data Protection](https://www.g2.com/products/cove-data-protection/reviews) — 4.5/5 stars (441 reviews)
- [Druva Data Security Cloud](https://www.g2.com/products/druva-data-security-cloud/reviews) — 4.7/5 stars (741 reviews)
- [Amazon S3 Glacier](https://www.g2.com/products/amazon-s3-glacier/reviews) — 4.4/5 stars (141 reviews)
- [MSP360 Backup](https://www.g2.com/products/msp360-backup/reviews) — 4.5/5 stars (550 reviews)
- [Unitrends Backup and Recovery](https://www.g2.com/products/unitrends-backup-and-recovery/reviews) — 4.2/5 stars (462 reviews)
- [Google Cloud Storage](https://www.g2.com/products/google-cloud-storage/reviews) — 4.6/5 stars (601 reviews)
- [NAKIVO Backup & Replication](https://www.g2.com/products/nakivo-backup-replication/reviews) — 4.7/5 stars (362 reviews)

---
## Top Discussions

### Amazon Simple Storage Service (S3)

- Title: [What type of storage is Amazon s3 used for?](https://www.g2.com/discussions/what-type-of-storage-is-amazon-s3-used-for) — 2 comments, 1 upvote
  > **Top comment:** "S3 is a object type and highly scalable storage service.
We can access the s3 content from anywhere and provides the high availability and high performance."
- Title: [How are other S3 users solving business problems?](https://www.g2.com/discussions/how-are-other-s3-users-solving-business-problems) — 2 comments, 1 upvote
  > **Top comment:** "The price is quite expensive "
- Title: [Cost plans](https://www.g2.com/discussions/cost-plans) — 1 comment, 1 upvote
  > **Top comment:** "https://aws.amazon.com/s3/pricing/"

### Backblaze B2 Cloud Storage

- Title: [What is Backblaze used for?](https://www.g2.com/discussions/what-is-backblaze-used-for) — 2 comments *(includes official response)*
  > **Top comment:** "Backblaze B2 is a cloud storage service that provides affordable, high-performance object storage. B2 Cloud Storage offers online business cloud storage..."
- Title: [How do you use backblaze?](https://www.g2.com/discussions/how-do-you-use-backblaze) — 2 comments
  > **Top comment:** "I was a victim approximately seven months ago. Through  a phishing scam, a grifter gained access to my account. They made off with 2.8 BTC. I was horrified...."
- Title: [Why is backblaze so cheap?](https://www.g2.com/discussions/why-is-backblaze-so-cheap) — 1 comment *(includes official response)*
  > **Top comment:** "Backblaze focuses on hot object storage for top use cases, not pricey bells and whistles for outlier needs. We innovated on commodity hardware with..."
- Title: [What is backblaze?](https://www.g2.com/discussions/what-is-backblaze) — 1 comment *(includes official response)*
  > **Top comment:** "Backblaze B2 is a cloud object storage solution that is designed to offer high-performance storage at a fraction of the cost of other cloud providers,..."
- Title: [Is backblaze any good?](https://www.g2.com/discussions/is-backblaze-any-good) — 1 comment
  > **Top comment:** "Yes, very much so. From the desktop backup service to the B2 cloud storage, their offerings are full featured, well documented with great support."

---
**Source:** [G2.com](https://www.g2.com) | [Comparison Page](https://www.g2.com/compare/amazon-simple-storage-service-s3-vs-backblaze-b2-cloud-storage)