Dell Avamar vs QoreStor comparison

Dell Technologies and Quest Software are both solutions in the Backup and Recovery category. Dell Technologies is ranked #9 with an average rating of 8.0, while Quest Software is ranked #54 with an average rating of 7.0. Dell Technologies holds a 1.9% mindshare in BRS, compared to Quest Software’s 0.6% mindshare. Additionally, 87% of Dell Technologies users are willing to recommend the solution, compared to 100% of Quest Software users who would recommend it.

Dell Avamar

Read 90 Dell Avamar reviews

5,701 Views
5,245 Comparison Views

87% willing to recommend

QoreStor

Read 9 QoreStor reviews

2,214 Views
1,018 Comparison Views

100% willing to recommend

Dell Avamar

QoreStor

Comparison Buyer's Guide

Download the report

Executive SummaryUpdated on Nov 23, 2025

Dell Avamar and QoreStor are key competitors in the data deduplication and backup market. Dell Avamar appears to have an advantage with its seamless integration in VMware environments, while QoreStor is noted for its cost-effective deduplication and flexibility.

Features: Dell Avamar offers exceptional client-side and source-based deduplication that reduces backup windows, beneficial integration with VMware, and solid image-level backups. QoreStor delivers impressive data compression and deduplication metrics, flexible integration with various backup software and hardware, and allows for cloud tiering and archiving.

Room for Improvement: Dell Avamar could enhance integration with SQL, improve VM restore capabilities, and provide a more intuitive interface. Users also desire better reporting functionalities. QoreStor requires better ransomware protection, smoother support automation, and more straightforward configuration exports.

Ease of Deployment and Customer Service: Dell Avamar is mainly on-premises but integrates well with hybrid cloud setups. Support is generally praised, though complex with multi-vendor solutions. QoreStor, also primarily on-premises, is recognized for responsive customer service, although initial setup can be challenging without technical assistance.

Pricing and ROI: Dell Avamar is often seen as expensive with inflexible licensing models, but its comprehensive features justify the cost for larger enterprises. QoreStor’s capacity-based pricing is cost-effective, especially attractive to managed service providers. Both products show strong ROI due to their effective data storage and protection capabilities, with QoreStor regarded as more economically accessible.

To learn more, read our detailed Dell Avamar vs. QoreStor Report (Updated: February 2026).

Buyer's Guide

Dell Avamar vs. QoreStor

February 2026

Download the complete report

Helped 882,961 peers since 2012

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 Avamar

Ranking in Backup and Recovery

9th

Average Rating

7.6

Reviews Sentiment

6.7

Number of Reviews

Ranking in other categories

Deduplication Software (5th)

QoreStor

Ranking in Backup and Recovery

54th

Average Rating

8.2

Reviews Sentiment

7.3

Number of Reviews

Ranking in other categories

Data Replication (11th), Disk Based Backup Systems (8th), Storage Software (6th), Disaster Recovery (DR) Software (31st), Software Defined Storage (SDS) (21st), Copy Data Management (6th), File and Object Storage (22nd)

Mindshare comparison

As of February 2026, in the Backup and Recovery category, the mindshare of Dell Avamar is 1.9%, down from 3.5% compared to the previous year. The mindshare of QoreStor is 0.6%, up from 0.0% compared to the previous year. It is calculated based on PeerSpot user engagement data.

Backup and Recovery Market Share Distribution
Product	Market Share (%)
Dell Avamar	1.9%
QoreStor	0.6%
Other	97.5%

Backup and Recovery

Featured Reviews

SamuelThomas

Consultant at Key Information Technology L.L.C.

Have supported critical environments despite room for improvement in legacy backup options

It is very efficient in cyber resilience. Deduplication, automation, and everything is very efficient. It is multi-cloud enabled and has broad protections. The software delivers flexible and efficient backup and recovery options through its cyber resiliency features. Dell PowerProtect Manager provides insights in managing backup processes. Its encryption mechanisms are very efficient, helping to secure sensitive data. Its integration with Dell EMC Data Domain is very good. It is easy to integrate with Data Domain. Multi-cloud options are enabled, and backup in cloud options exist in Dell Avamar.

Read full review

Calvin Hilgenstock

System Administrator at a wholesaler/distributor with 10,001+ employees

Cost savings and efficient data management improve operations but support quality varies

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. I always had to get it escalated or ask for someone specifically because those other people would just read knowledge-based articles that I had already done myself. Quest QoreStor does not work with any backup software, server, or storage hardware. It has the hardware compatibility list, and you need a specific number of IOPS, so it needs to run on decent hardware at least to have enough input-output operations. Otherwise, the setup result will be canceled. I'm not too sure if there are still physical appliances, but when I first started, we had some customers with a physical Quest QoreStor appliance, and it would only run on certain hardware. It doesn't work with every backup program. For example, Veritas Backup Exec is incompatible, but Veeam is compatible, and V Ranger is compatible as well. I didn't even know that Quest QoreStor has any static AI and behavioral AI technologies.

Read full review

Quotes from Members

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

Pros

"The most valuable feature of Avamar would have to be the way it works over needing very little bandwidth to move data across a WAN or LAN."

"The source site replication feature is valuable."

"Client deduplication."

"Avamar has long been the best in its class, but that's changing as new solutions emerge. However, Dell has traditionally been a leader in deduplication and compression. Avamar enabled us to shift data from on-premise local appliances to data centers and multi-tenant infrastructure. That's a powerful feature. because customers can back up to the cloud without upgrading o high-capacity links or congesting their backups."

"Quick incremental backups and product replication are the two highlights of the product. Once you capture a full backup, incrementals are pretty quick. It is fairly efficient from that perspective."

"The tool's most valuable features are backup management and speed."

"Duplication and the speed of backup are great."

"So far, Avamar covers everything we want. We are replicating to other sites for disaster recovery, so it's working well for us."

More Dell Avamar pros

"The dedupe and compression are pretty extreme. On disk, we're getting dedupe rates of up to 65 percent of data and compression of 34 percent. When you go to the cloud, it's more like 76 percent for dedupe and almost 50 percent for compression."

"Quest QoreStor definitely saved us money."

"Deduplication is the most valuable feature. It saves us a lot of space. When we back up 100 terabytes of data, after dedupe, it only uses maybe five to six terabytes for the disk space in QoreStor."

"QoreStor has helped us to reduce our backup storage requirements on-premises. We've been using the same devices for quite a while, and so it lets us keep using them as opposed to having to rip out all that hardware and create a new on-prem solution. The advantage here is even if we had to retire the hardware tomorrow, the QoreStor part doesn't change. We just have to have additional hardware and put the solution back on whatever hardware we pick and it'll do the same thing."

"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."

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

"I would rate QoreStor a ten out of ten for what it offers for the price."

"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."

More QoreStor pros

Cons

"The performance takes up a lot of resources, unfortunately."

"The challenges we do face typically revolve around aligning specific features with our accustomed tool usage."

"The reporting should be improved, as we currently have to use another tool for that purpose."

"Technical support should be more knowledgeable."

"Setup and deployment of this solution is complex and requires expert engineers."

"We have had a lot of problems with the Dell EMC Avamar solution. The snapshots are not being erased after backup."

"The UI is not easy to use. There are other products such as Veeam that are easy to use for the end-user which is why they are moving away from Avamar or Networker."

"Avamar is dependent on the hardware. It can't be implemented with ordinary storage. It can only be implemented with an EMC product. We want to have a backup solution that allows us to use independent storage and other hardware. It would be good if they can simplify its technology and make it possible to implement it with another storage. This is probably not possible because Avamar is an EMC product, and EMC would like to sell its own products."

More Dell Avamar cons

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

"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."

"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."

"The installation could use improvement. The initial installation was a little touchy and it's not really user-installable. You have to have a connection to support to install."

"Support is one point of improvement for Quest QoreStor. Support is sometimes not adequate."

"The ransomware protection of QoreStor could use improvement."

"In terms of improvement, we would like to have an Air Gap feature to prevent a virus from attaching to something. So that when we don't do a backup, we want the QoreStor to stay offline. It would be a nice feature to have."

"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."

More QoreStor cons

Pricing and Cost Advice

"I'm not sure, but perhaps the pricing could be done better at the moment."

"It might not be beneficial to smaller businesses due to its high cost."

"Its licensing is weird. It is not just the licenses; we also purchase hardware. With most software products, such as Veeam, Commvault, and Data Protector, there is no hardware purchase at the same time. Because Avamar and Data Domain are tied together, they have an integrated pipe. You can separate them, but basically, they're designed to work as a couple. Because the Data Domain backend is designed to do dedupe and compression, we get 60:1. When you count it, you count it as a straight compression, but of course, that's with dedupe and some other stuff. You have to buy the hardware, the licensing, and the software at the same time. So, it's not just software."

"There is a license required for this solution."

"The cost is high."

"Dell's pricing structure is not overly expensive."

"It is very expensive. It's a trust based licensing. So that's an ethical challenge."

"Dell Avamar, including its virtual add-ons and cloud-based offerings, is cheaper than other solutions, but in the end, the price still depends on your use case. Price-wise, I'm rating Dell Avamar as six out of ten."

More Dell Avamar pricing and cost advice

"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."

"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."

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

See which vendors are best for you

Use our free recommendation engine to learn which Backup and Recovery solutions are best for your needs.

See recommendations

882,961 professionals have used our research since 2012.

Top Industries

By visitors reading reviews

Manufacturing Company

13%

Financial Services Firm

10%

Government

Comms Service Provider

Performing Arts

11%

Computer Software Company

Manufacturing Company

Media Company

Company Size

By reviewers

Large Enterprise

Midsize Enterprise

Small Business

By reviewers
Company Size	Count
Small Business	26
Midsize Enterprise	18
Large Enterprise	48

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

Questions from the Community

What's the difference between Dell EMC Avamar and Dell EMC NetWorker?

From the very beginning, Dell EMC NetWorker considers users and those who might potentially become users. In terms of both pricing and setup, this product offers an experience that is significantly...

See all answers

What is your experience regarding pricing and costs for Dell EMC Avamar?

The cost is very significant, and it could be lower.

See all answers

What do you like most about Dell Avamar?

Easy to configure and highly reliable for backup.

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...

See all answers

Comparisons

Dell PowerProtect Data Manager vs Dell Avamar

Compared 38% of the time

Veeam Data Platform vs Dell Avamar

Compared 7% of the time

Rubrik vs Dell Avamar

Compared 7% of the time

Commvault Cloud vs Dell Avamar

Compared 5% of the time

Dell PowerProtect Data Domain vs Dell Avamar

Compared 4% of the time

More Dell Avamar Competitors

Nutanix Unified Storage (NUS) vs QoreStor

Compared 4% of the time

CTERA Enterprise File Services Platform vs QoreStor

Compared 4% of the time

Dell PowerProtect Data Domain vs QoreStor

Compared 4% of the time

HPE StoreOnce vs QoreStor

Compared 3% of the time

Hornetsecurity Altaro VM Backup vs QoreStor

Compared 3% of the time

More QoreStor Competitors

Product Reports

Buyer's Guide

Dell Avamar

February 2026

Download Dell Avamar product report

Buyer's Guide

QoreStor

February 2026

Download QoreStor product report

Also Known As

Avamar

QoreStor

Overview

Dell Avamar data protection software delivers flexible and efficient backup and recovery operations that can scale from daily backup protection for endpoints to high-performance protection for large enterprises with diverse applications and workloads. With application consistent recovery, automation and fast backup and restores, Avamar can help you meet your SLAs and optimize your backup and recovery processes

If you are deploying all or part of your backup environment to the cloud, Avamar enables you to make the most of your cloud investment, enabling replication, disaster recovery and long-term retention for customers using AWS, Microsoft Azure or Google Cloud.

Avamar is available as part of Dell Data Protection Suite, which offers comprehensive data protection software applications and tools. Avamar is delivered as software and as a virtual edition.

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

Dodge County, St Laurence's College, FieldCore (a GE Company), Comanche County Memorial Hospital, Getronics, Lewisville Independent School District, EnvisionRxOptions, Cincinnati Bell Technology Solutions

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

Buyer's Guide

Dell Avamar vs. QoreStor

February 2026

Free Report: Dell Avamar vs. QoreStor

Find out what your peers are saying about Dell Avamar vs. QoreStor and other solutions. Updated: February 2026.

DOWNLOAD NOW

882,961 professionals have used our research since 2012.

See our Dell Avamar vs. QoreStor report.

See our list of best Backup and Recovery vendors.

We monitor all Backup and Recovery reviews to prevent fraudulent reviews and keep review quality high. We do not post reviews by company employees or direct competitors. We validate each review for authenticity via cross-reference with LinkedIn, and personal follow-up with the reviewer when necessary.