This page breaks down Quantum ratings from all verified review sources to give you a clear, unbiased view of what real users think in September 2025.
We’ve aggregated the latest scores from all major platforms like Trustpilot, G2, Capterra and many more to help you understand Quantum’s overall reputation. This data-driven overview will show you exactly how Quantum is rated - including how it compares to competitors.

Quantum's Overall Rating Summary

  • Average Rating:4.5/5
  • Total Reviews:2,909 reviews
  • Sources:G2, Capterra, Gartner, Trustradius, Getapp, Softwareadvice, Facebook, Trustpilot
  • Last updated:September 1, 2025

Quantum Ratings by Source

PlatformRatingReviewsLast Update
G2 logoG2
4.4/5
644+ reviews08.06.25
Capterra logoCapterra
4.7/5
112+ reviews06.04.25
Gartner logoGartner
4.5/5
1,761+ reviews08.06.25
Trustradius logoTrustradius
4/5
59+ reviews07.07.25
Getapp logoGetapp
4.7/5
103+ reviews06.03.25
Softwareadvice logoSoftwareadvice
4.6/5
133+ reviews01.09.25
Facebook logoFacebook
4.8/5
90+ reviews06.03.25
Trustpilot logoTrustpilot
3.8/5
7+ reviews01.09.25

What is Quantum?

Quantum offers a comprehensive end-to-end platform for managing unstructured data, featuring high-performance platforms like Myriad™ All-Flash File and Object Storage, StorNext® File System, and ActiveScale® Object Storage. Their AI-enabled workflow management includes CatDV™ Media Asset Management and cloud-based analytics, while data protection and archiving solutions feature DXi® Backup Appliances and Scalar® Tape Storage. Quantum also provides flexible subscription options, managed services, and training services to help organizations store, manage, protect, archive, and analyze data across its entire lifecycle.

🤔 Quantum vs Competitors: How Do Ratings Compare?

Check out Quantum Alternatives

Frequently Asked Questions

How trustworthy is Quantum?

According to Gartner and G2 review sites Quantum holds ratings of 4.5/5 and 4.4/5 respectively from 2,405 reviews, indicating that users consistently find value and reliability in the platform as of September 2025.

How many stars is Quantum rated?

Quantum has an average star rating of 4.5 out of 5 stars based on average of 2,909 reviews as of September 2025.

Where does the rating data come from?

The ratings are pulled from Quantum public reviews pages on platforms: G2, Capterra, Gartner, Trustradius, Getapp, Softwareadvice, Facebook, Trustpilot. We update these ratings monthly to ensure they reflect the most current customer feedback.

How overall average rating for Quantum is calculated?

The overall average rating is calculated by taking the weighted average of all ratings, using the total reviews count from each platform as the weight.