Dell PowerProtect Data Domain vs QoreStor comparison

Dell Technologies and Quest Software are both solutions in the Disk Based Backup Systems category. Dell Technologies is ranked #1 with an average rating of 8.8, while Quest Software is ranked #8 with an average rating of 7.0. Dell Technologies holds a 36.8% mindshare in DBBS, compared to Quest Software’s 2.9% mindshare. Additionally, 90% of Dell Technologies users are willing to recommend the solution, compared to 100% of Quest Software users who would recommend it.

Dell PowerProtect Data Domain

Read 91 Dell PowerProtect Data Domain reviews

12,209 Views
4,029 Comparison Views

90% willing to recommend

QoreStor

Read 9 QoreStor reviews

3,227 Views
194 Comparison Views

100% willing to recommend

Dell PowerProtect Data Domain

QoreStor

Comparison Buyer's Guide

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Executive SummaryUpdated on Feb 8, 2026

Dell PowerProtect Data Domain and QoreStor compete in the data protection category, offering distinct advantages. Dell PowerProtect Data Domain may have the edge in robustness and reliability with its superior integration capabilities and comprehensive support.

Features: Dell PowerProtect Data Domain offers advanced deduplication, compression, and seamless integration with various backup software. Its replication capabilities ensure data security during failures. QoreStor provides significant storage reduction through its efficient deduplication and compression, with flexible deployment across multiple hardware platforms and integration with leading backup solutions.

Room for Improvement:Dell PowerProtect Data Domain could enhance its price structuring, cloud compatibility, and the user interface's simplicity. Improvements in real-time online backup performance and ransomware protection are also suggested. QoreStor requires enhancements in ransomware protection and support responsiveness, along with advanced monitoring solutions and configuration export functionalities.

Ease of Deployment and Customer Service: Dell PowerProtect Data Domain is known for robust customer service with responsive and proactive technological support. Its deployment is straightforward and reliable. QoreStor is noted for deployment flexibility across both cloud and physical setups, though improving the escalation process in customer support would enhance user experience.

Pricing and ROI: Dell PowerProtect Data Domain delivers substantial ROI through reduced backup sizes and quicker recovery despite higher initial costs, making it more suitable for large enterprises. QoreStor offers cost-efficient licensing, scalable based on usage, appealing especially to managed service providers, ensuring affordability as data grows.

To learn more, read our detailed Dell PowerProtect Data Domain vs. QoreStor Report (Updated: April 2026).

Buyer's Guide

Dell PowerProtect Data Domain vs. QoreStor

April 2026

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Review summaries and opinions

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:

Categories and Ranking

Dell PowerProtect Data Domain

Ranking in Disk Based Backup Systems

1st

Average Rating

8.6

Reviews Sentiment

6.7

Number of Reviews

Ranking in other categories

Deduplication Software (1st)

QoreStor

Ranking in Disk Based Backup Systems

8th

Average Rating

8.2

Reviews Sentiment

7.3

Number of Reviews

Ranking in other categories

Backup and Recovery (52nd), Data Replication (10th), Storage Software (4th), Disaster Recovery (DR) Software (29th), Software Defined Storage (SDS) (20th), Copy Data Management (6th), File and Object Storage (23rd)

Mindshare comparison

As of April 2026, in the Disk Based Backup Systems category, the mindshare of Dell PowerProtect Data Domain is 36.8%, down from 40.9% compared to the previous year. The mindshare of QoreStor is 2.9%, up from 0.7% compared to the previous year. It is calculated based on PeerSpot user engagement data.

Disk Based Backup Systems Mindshare Distribution
Product	Mindshare (%)
Dell PowerProtect Data Domain	36.8%
QoreStor	2.9%
Other	60.300000000000004%

Disk Based Backup Systems

Featured Reviews

Branko Cirovic

Storage Engineer at Comtrade Group

Provides seamless backup integration and long-term reliability for enterprise data protection

The price is quite high; this product is not considered cheap. Additionally, if you use higher availability boxes, they also come at a premium price. However, they provide business continuity, which is the main reason why companies invest in this solution. Tape is slow; when restoring several virtual machines or databases amounting to several terabytes, Dell PowerProtect Data Domain represents the fastest and most reliable solution, ensuring great integration with backup software. If a customer has limited budget constraints, they may opt for cheaper external storage comprised of just a bunch of disks and utilize it for backup, as backup is not a business-critical service. However, I see great value in Dell PowerProtect Data Domain because it is fully automated, features great integration with backup software, and provides good value for money. I would rate software support as a ten, while I would give hardware support a seven. I never give any product a perfect score; I think Dell PowerProtect Data Domain deserves a nine. The only minor problems are the certificate issue and the price. These certificate issues are quite rare and mainly arise when we forget to restart and upgrade the box for several years.

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Jeff Manuszak

CTO at EDSI

Cost-efficient, highly scalable, and installable on different types of hardware

They could improve on support a little bit. We have not had to engage their support much, but when we do have issues, it can take longer to get things resolved. We are pretty lenient as we do a lot of IT support ourselves. We are not very hard on support organizations, but when a customer has a support issue, it would be easier if the support processes were a little bit more automated. It would be beneficial to have an easier way to upload diagnostic dump files. They can make it easy for the customer to collect the diagnostic data. There can be some kind of monitoring solutions to alert users to issues with the appliance or software, making it easy for customers to monitor their systems in the field. This is especially critical because it stores customers' backups, and a failure can have significant business impacts. If a customer does not have the backups and has a disaster, they can be out of business, so monitoring is key.

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Quotes from Members

We asked business professionals to review the solutions they use. Here are some excerpts of what they said:

Pros

"Fantastic product that really is the ‘Swiss Army Knife’ of backup/archive/bulk storage products, so usable and can save significant $ and can save many headaches with data management, the more you store on it the better De-duplication and greater ROI you get."

"The most beneficial features in the product are compatibility, which is the most valuable function; the compression factor is very good, the solution is user-friendly, and single-click operations are also a key feature."

"Short backup window has made a difference in the way my organization functions."

"The backup is very secure. The deduplication using EMC is very good. We are able to make systems and handle random cloning. EMC is a very stable solution for making backups."

"The feature that I have found most useful is its data duplication."

"The compression aspect of the solution is great."

"The DD Boost protocol is very fast in backup and while data is being transferred to Dell PowerProtect Data Domain, and I am using the immutability features built in so that the backup copies are immutable and no one can edit or delete them anymore unless the retention period is over."

"The most valuable feature of Dell PowerProtect DD (Data Domain) is its deduplication capability."

More Dell PowerProtect Data Domain pros

"The features we use for the data deduplication are nice because we're able to back up a much larger amount of data, yet it doesn't necessarily take up that much data on the devices."

"We need revisions and safe backup so that it could be held up in court, but deduplication and compression are the main features why we have Quest QoreStor. That's where it really shines. I use ZFS and XFS at home, and Quest QoreStor is even better."

"The extreme compression of data is a big thing for us. We were looking for an online backup solution, and QoreStor is very good in terms of data compression. It helps us minimize the required storage in the Blob Storage environment."

"Quest QoreStor is very stable compared to our previous solution."

"Since we started to resell QoreStor, we have been using it internally; it's better than other backup solutions we have used or evaluated."

"It integrates with various backup software solutions, which makes it compatible with existing backup workflows and processes."

"Overall, it simplifies the management of backup and gives me a more secure feeling that my data is going to be available if I need to retrieve it."

"QoreStor has helped us to reduce our backup storage requirements on-premises, and we've been using the same devices for quite a while, so it lets us keep using them as opposed to having to rip out all that hardware and create a new on-prem solution."

More QoreStor pros

Cons

"So I believe security measures are not strict enough in Data Domain."

"There needs to be better ease of use with like APIs and automation and things of that nature."

"The price of the product is high."

"The pricing should be adjusted. Customers continuously talk about the price. They know it is a good solution and they really need the type of storage the solution offers, but it costs somewhere around $100,000 and up. It's not cheap, but it's very important for data vendors."

"The firmware upgrades could be simplified. I'm in the process of struggling to upgrade right now."

"We encountered data loss during the configuration process."

"The pricing could be better but it's still not too expensive."

"The price is quite high; this product is not considered cheap."

More Dell PowerProtect Data Domain cons

"There can be some kind of monitoring solutions to alert users to issues with the appliance or software, making it easy for customers to monitor their systems in the field."

"Overall, I am happy with this solution, but a way to export configuration settings would be beneficial. After everything is set up and configured, there should be a way to export the configuration. In case something happens to the QoreStor server, and we need to reinstall and configure everything, being able to import the configuration would be helpful. This feature does not currently exist."

"They need to increase their maximum capacity. Other than that, they're doing a pretty good job."

"The setup of the software is definitely not the easiest thing. I worked a lot with Quest engineers, especially in the early days when we were first testing it and trying it out. I actually had some of the developers working with us at one point because they were going through these point releases, and I was having trouble getting it to work in this S3-compatible situation. We got it all working eventually, but setup is definitely not the easiest thing in the world."

"The management interface is in need of improvement. The graphical user interface (GUI) for the web management tools appears clunky, and not super intuitive."

"The installation could use improvement. The initial installation was a little touchy and it's not really user-installable."

"They could improve on support a little bit. We have not had to engage their support much, but when we do have issues, it can take longer to get things resolved."

"The importance of support is significant to me. I was working for a service provider, and all of our customers had a Quest or warning. Sometimes the support really underperforms."

More QoreStor cons

Pricing and Cost Advice

"It could be more competitively priced. Its licensing was for five years. Obviously, the support will get renewed at some stage, but that's it."

"Pricing is related to size. A lower range solution might be about $33,000. My customers use higher range versions with a price of around $100,000. That's the price for both the hardware and software."

"The price of Dell EMC PowerProtect DD could improve, it is expensive."

"The price may be a bit higher than other products in the market, but you will receive ten out of ten support with next-business-day delivery on parts' availability."

"The pricing is cost-effective for the solution"

"The price of the solution and support for Dell PowerProtect DD is expensive. We have customers that cannot upgrade to a newer version of the solution because the support is too expensive."

"The yearly subscription is very affordable for our customers, but the price could be a little cheaper overall."

"The product is expensive."

More Dell PowerProtect Data Domain pricing and cost advice

"The pricing is good. It is competitive for a managed services provider. I like the ability to pay by the terabyte, allowing for an incremental cost that we and our customers can afford, so the solution grows with the customer."

"The cost is per terabyte, and overall, the cost was reasonable when compared to some competitors."

"Quest QoreStor's pricing is affordable. We evaluated Veeam, a well-known company for backup solutions, but found their pricing to be quite high. Veeam's price was almost double. For us, Quest QoreStor is very affordable."

"Its pricing model is very attractive. You have one price, and you get everything from QoreStor."

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Top Industries

By visitors reading reviews

Financial Services Firm

10%

Computer Software Company

10%

Manufacturing Company

10%

Government

Manufacturing Company

12%

Financial Services Firm

Performing Arts

Comms Service Provider

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

By reviewers
Company Size	Count
Small Business	37
Midsize Enterprise	24
Large Enterprise	40

By reviewers
Company Size	Count
Small Business	5
Midsize Enterprise	1
Large Enterprise	2

Questions from the Community

What is your primary use case for Dell EMC PowerProtect DD (Data Domain)?

The central purpose for which my clients are using Dell PowerProtect Data Domain is for backup. Dell PowerProtect Data Domain is used for backup purposes in case any issues occur. What stands out t...

See all answers

What is your experience regarding pricing and costs for Dell PowerProtect DD (Data Domain)?

The costs are quite affordable as per the company or market standard.

See all answers

What needs improvement with Dell PowerProtect DD (Data Domain)?

In general, for improvement purposes, I can say that the features are not easy to understand to customers with Dell PowerProtect Data Domain. These features must be explained in an easier way. In D...

See all answers

What else besides data replication does QoreStor offer?

Quest QoreStor can be used for multiple things besides data replication. For example, it can be trusted to make a backup of your data. You know that replication and backups are different, right? Re...

See all answers

How does Quest QoreStore protect your data?

One of our favorite features of Quest QoreStore for data protection isn't the backup, actually, though we're using it actively (maybe just as much as data replication, to be honest). We absolutely ...

See all answers

How does Quest QoreStore solve repetitive data replicas?

When I first found out about data replication and the many benefits it had, I couldn't help but wonder - what about the copies you don't need? Like it's unavoidable for some of the copies to get da...

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Comparisons

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Compared 5% of the time

ExaGrid EX vs Dell PowerProtect Data Domain

Compared 4% of the time

Veeam Data Platform vs Dell PowerProtect Data Domain

Compared 4% of the time

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Hitachi Universal Replicator vs QoreStor

Compared 3% of the time

Nutanix Unified Storage (NUS) vs QoreStor

Compared 3% of the time

HPE StoreOnce vs QoreStor

Compared 3% of the time

CTERA Enterprise File Services Platform vs QoreStor

Compared 3% of the time

DataCore SANsymphony vs QoreStor

Compared 2% of the time

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Product Reports

Buyer's Guide

Dell PowerProtect Data Domain

April 2026

Download Dell PowerProtect Data Domain product report

Buyer's Guide

QoreStor

April 2026

Download QoreStor product report

Also Known As

DataDomain, Dell EMC Data Domain, PowerProtect Data Domain

QoreStor

Overview

Dell PowerProtect Data Domain is the leading backup appliance built for powerful cyber resilience and seamless integration into on-premises environments. It supports both traditional and modern workloads, simplifying operations while reducing risks and costs.

Dell PowerProtect Data Domain offers scalable storage capabilities that integrate smoothly with backup systems. Its deduplication and compression technologies enhance storage efficiency by significantly reducing data volumes. Users appreciate its secure data protection, excellent deduplication and compression, efficient data replication, and the DD Boost protocol for faster data transfer. However, feedback suggests improvements are needed in areas like complex VTL tape addition, high pricing, and challenging cloud integration. The implementation may benefit from boosted processing power and enhanced ransomware protection.

What are the key features of Dell PowerProtect Data Domain?

Deduplication and Compression: Significantly reduces data volumes, optimizing storage usage.
Efficient Data Replication: Enhances data protection by securely transferring data across locations.
DD Boost Protocol: Promotes faster data transfer, streamlining backup processes.
Scalable Storage: Adapts to varying data capacities, ensuring growth accommodation.
Secure Data Protection: Safeguards data with robust encryption and protection features.

What benefits should be expected from Dell PowerProtect Data Domain?

Space and Cost Savings: Achieves reductions in data footprint, lowering storage expenses.
Reliable Backup and Recovery: Provides consistent and fast data backup and restoration capabilities.
Seamless Integration: Operates smoothly with existing backup software and environments.
Data Security: Offers comprehensive data protection to ensure business continuity.

Dell PowerProtect Data Domain is widely employed across various sectors like banking, finance, and government for its backup, deduplication, and archiving functions. Organizations utilize it with software like Veeam and NetWorker to optimize bandwidth, manage large data capacities, and deliver secure, reliable backup features, supporting both on-premises and hybrid deployments.

Dell Technologies

QoreStor optimizes storage costs through advanced deduplication and compression, seamlessly integrating with backup infrastructures and supporting diverse hardware. It enhances data security with replication and offers flexible deployment with minimal maintenance.

QoreStor offers significant benefits in deduplication, which leads to space savings and reduced storage expenses. This system integrates effortlessly with backup platforms like NetVault and Veeam, functioning as a reliable backup target for both on-premises and cloud environments. The ease of integration is complemented by its replication capabilities, which add a layer of data security by enabling geographically dispersed backups. Its cloud tiering functionality extends storage capabilities, ensuring cost-effectiveness compared to other solutions. While enhancements are needed in areas like Cloud Tier support, Air Gap features, and GUI intuitiveness, the continued developments aim to further optimize storage and backup solutions.

What are QoreStor's key features?

Deduplication and Compression: Achieves high deduplication rates and space savings.
Seamless Integration: Works well with diverse backup infrastructures.
Replication: Facilitates data security through multi-location backups.
Cloud Tiering: Extends storage capabilities efficiently.
Minimal Maintenance: Requires low maintenance efforts.

What benefits should be considered in user reviews?

Cost-Effectiveness: Offers competitive pricing and optimized storage.
Storage Optimization: Reduces storage needs with advanced data handling.
Flexibility: Supports diverse hardware and deployment options.
Data Security: Enhances protection with robust replication features.

QoreStor is widely implemented in industries for backup and restore operations, providing data deduplication and compression as key functionalities. Its integration as a backup target across platforms like NetVault and Veeam makes it ideal for enterprises that require efficient data management and storage cost control. Many organizations utilize its features to optimize cloud storage seamlessly while focusing on internal data handling or acting as service resellers.

Quest Software

Sample Customers

The US Army, City of Houston, Lloyds TSB, TiVo, Teck, Ingram Entertainment, The New York Mets

American Airlines, at&t, Bank of America. Barclays, ebay, Ford

Buyer's Guide

Dell PowerProtect Data Domain vs. QoreStor

April 2026

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