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HPE Zerto Software vs Synology DSM comparison

 

Comparison Buyer's Guide

Executive SummaryUpdated on Jun 11, 2025

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

HPE Zerto Software
Ranking in Backup and Recovery
2nd
Average Rating
9.0
Reviews Sentiment
7.2
Number of Reviews
341
Ranking in other categories
Cloud Migration (2nd), Cloud Backup (3rd), Disaster Recovery (DR) Software (2nd)
Synology DSM
Ranking in Backup and Recovery
17th
Average Rating
9.0
Reviews Sentiment
8.0
Number of Reviews
10
Ranking in other categories
No ranking in other categories
 

Mindshare comparison

As of July 2025, in the Backup and Recovery category, the mindshare of HPE Zerto Software is 3.1%, down from 3.3% compared to the previous year. The mindshare of Synology DSM is 1.9%, up from 1.0% compared to the previous year. It is calculated based on PeerSpot user engagement data.
Backup and Recovery
 

Featured Reviews

Sachin Vinay - PeerSpot reviewer
Leverage disaster recovery with reliable support and cost-effective future-proof features
Zerto is straightforward to implement because it only requires the installation of an agent on the VMs designated for migration. A service, typically a VM, must also be deployed at the disaster recovery location. This entire process is simple and can be completed within three days. Zerto's near-synchronous replication occurs every minute, allowing for highly granular recovery points. This means that even if interruptions or malware disruptions occur within that minute, Zerto can restore to the last known good state, effectively recovering the entire setup to the latest backup. This capability ensures high data security and minimizes potential data loss. One of the main benefits of implementing Zerto is its data compression, which significantly reduces the load on our IPsec VPN. Zerto compresses data by 80 percent before transmitting it across the VPN, minimizing the data transferred between geographically dispersed locations. This compression and subsequent decompression at the destination alleviate the strain on the VPN, preventing overload and ensuring efficient data synchronization. Zerto simplifies malware protection by integrating it into its disaster recovery and synchronization features. This comprehensive approach eliminates the need for separate antivirus setups in virtual machines and applications. It streamlines our security measures and removes the need for additional software or solutions, resulting in an excellent return on investment. Zerto's single-click recovery solution offers exceptional recovery speed. Through the user interface, a single click allows for a complete restoration from the most recent backup within two to three minutes, enabling rapid recovery and minimal downtime. Zerto's Recovery Time Objective is excellent. In the past, if a virtual machine crashed, we would recover it from a snapshot, which could take one to two hours. With Zerto, the recovery process takes only five minutes, and users are typically unaware of any disruption. This allows us to restore everything quickly and efficiently. Zerto has significantly reduced our downtime. When malware affects our data, Zerto immediately notifies us and helps us protect other applications, even those not yet implemented with Zerto. By monitoring these applications, we can quickly identify and address any potential malware spread, minimizing downtime across our systems. Zerto significantly reduces downtime and associated costs during disruptions. Our services are unified, so in the event of a disruption without Zerto, even a half-day disruption would necessitate offline procedures. This would lead to increased manpower, service delays, and substantial financial losses due to interrupted admissions and other critical processes. By unifying service processes, Zerto minimizes the impact of outages. Zerto streamlines our disaster recovery testing across multiple locations by enabling efficient failover testing without disrupting live services. Traditionally, DR testing required downtime of critical systems, but Zerto's replication and failover capabilities allow us to test in parallel with live operations. This non-disruptive approach ensures continuous service availability while validating our DR plan, even in scenarios like malware attacks, by creating a separate testing environment that mirrors the live setup. This comprehensive testing provides confidence in our ability to handle real-world incidents effectively. This saves us over 60 percent of the time. Zerto streamlines system administration tasks by automating many processes, thereby reducing the workload for multiple administrators. This allows them to focus on other university services that require attention and effectively reallocate support resources from automated tasks to those requiring more dedicated management. Zerto is used exclusively for our critical services, providing up to a 70 percent improvement in our IT resilience.
Michael Adejoh - PeerSpot reviewer
Reliable and cost-effective
One area where Synology DSM could improve is in enhancing its ability to detect and respond to security threats during backups and replication. Currently, it lacks the capability to automatically stop backups if it detects a virus or suspicious network activity, as some third-party solutions can. Having AI-driven analytics to identify anomalies and halt backups during potential attacks, along with notifications to administrators, would be valuable. Additionally, providing a dashboard for monitoring the backup environment's security would be a beneficial feature. These improvements would help address security concerns and make Synology more competitive in this aspect.

Quotes from Members

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

Pros

"The stability is good, and I have never had any customers say anything bad about it. Some have used it for years and have not had any problems."
"The failover capabilities were the most valuable feature because, in the event of a disaster, we'd be able to power everything up on the other side."
"My impressions of HPE Zerto Software's near-synchronous replication are excellent, as we typically see targets under five seconds, which no one else is achieving."
"Failover using Zerto is simply a one-button click, and it does everything else in restoring the VMs at a different datacenter (recovery site)."
"During a failover to a DR site, Zerto can automatically change the IP address of servers."
"Zerto offers a much better user experience and has reduced our disaster recovery time by at least fifty percent."
"The most valuable feature of this solution is the live migration."
"The replication for DR is really good, and the test failover within the application is really solid, along with the ability to manipulate RDMs or remove them."
"Because of its simplicity and the wide array of features it offers, I would recommend DSM for both tech-savvy individuals and those who prefer a straightforward file-serving solution."
"The product performs well. It is easy to use and implement."
"It offers a variety of software options through its package center, allowing users to customize their NAS device to serve multiple purposes."
"The most valuable aspect is its ability to handle multiple disks."
"The most valuable features are the basic storage, file management, Btrfs file system, and built-in backups that come with the solution."
"Synology DSM is very easy to work and operate."
"The most valuable feature of the solution is that it serves as a backup for our company's virtual machine."
"The most valuable features of Synology DSM are its security and connectivity."
 

Cons

"We've also found that certain situations will not work for us since we haven't finalized the air gap vault in place, and we know that using some simulated ransomware attacks would cause problems, so we wouldn't be able to recover."
"I would like to see them continuously improve Zerto's automated functions, such as putting hosts in maintenance mode within vSphere and not having to worry as much about how Zerto is going to react... Sometimes, Zerto almost holds the vSphere environment hostage when it comes to taking certain actions. You really need to be cognizant about what you're about to do. They should further automate that and increase Zerto's ability to handle things like that in a very slick, automated way, without intervention."
"I don't have any idea of areas fro improvement."
"I would like to see a separate product offer for performing backups, although I think that this is something that they are expecting to release in the next version."
"When building out a VPG and doing the machine types within Azure, they were not coming across correctly. It would say it had a CPU and memory of a specific type, but it was not accurate... It was a bug and they were working on it."
"Some of the ability to automate selections and automate VPG creations could be better."
"Expanding the product to compete more fully with products such as Veeam would be a big benefit in the market."
"It would be great if Zerto could automate replication more."
"Synology DSM's user interface is not quite intuitive."
"There's a surveillance application that allows you to connect IP cameras and stream footage to Synology and it is a great feature, but it's not always clear that adding more cameras may require purchasing additional licenses."
"The platform could be much more cost-effective and flexible for integrating third-party products."
"One area where Synology DSM could improve is in enhancing its ability to detect and respond to security threats during backups and replication."
"The product's only shortcoming is pricing, as it is an expensive solution."
"Users may lose their data if they don't configure the solution properly."
"Even though Synology provides a backup solution, it does not recognize the VM movement across cluster hosts."
"The only bothersome aspect is that the device is aging."
 

Pricing and Cost Advice

"I ballpark Zerto's pricing at about $1,000 per VM, which I find fair for what it does, but the cost of entry was tough initially due to the minimum number needed to start. I really needed to prove to the business that it was worth the investment."
"The licensing costs are not cheap. It is kind of an expensive product. However, I am a get-what-you-pay-for kind of person. After using this product, I can understand why the licensing costs are high."
"The pricing is reasonable."
"Licensing Zerto was very simple. They had a product that fit our size and scale. It made it really easy to choose."
"I think the cost is reasonable for VM licensing. It's not outside the scope of an enterprise product."
"When they changed their licensing model, pricing might have gotten a little more expensive for some use cases, but it has been pretty straightforward."
"It is not a bad pricing model."
"Zerto's price seems fair. It's competitive."
"Synology DSM is a free tool."
"The price of the solution is very good."
"The pricing varies widely, catering to a broad range of needs."
"The licensing part of the solution is free. The hardware is more expensive than the other solutions in the market, but it's okay in the long run."
"Synology DSM is a cheap solution."
"The solution’s pricing is neither cheap nor expensive."
"It is quite an affordable solution."
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Comparison Review

it_user159711 - PeerSpot reviewer
Nov 9, 2014
VMware SRM vs. Veeam vs. Zerto
Disaster recovery planning is something that seems challenging for all businesses. Virtualization in addition to its operational flexibility, and cost reduction benefits, has helped companies improve their DR posture. Virtualization has made it easier to move machines from production to…
 

Top Industries

By visitors reading reviews
Computer Software Company
23%
Financial Services Firm
10%
Manufacturing Company
8%
Healthcare Company
8%
Computer Software Company
14%
Government
8%
Manufacturing Company
8%
Comms Service Provider
7%
 

Company Size

By reviewers
Large Enterprise
Midsize Enterprise
Small Business
 

Questions from the Community

What advice do you have for others considering Oracle Data Guard?
Ik fluister:VM Host Oracle en DataGuard hebben we per toeval vervangen door Zerto :-) tijdens de Zerto implementatie en VPG werden de Host Data in write-ack Block-Level gerepliceerd. Qua licentie 1...
What do you like most about Zerto?
Its ability to roll back if the VM or the server that you are recovering does not come up right is also valuable. You have the ability to roll back a few seconds or a few minutes. The rollback feat...
What is your experience regarding pricing and costs for Zerto?
Regarding my experience with pricing, setup costs, and licensing, I think on the pricing side, I don't generally deal with it, but from what I hear from my finance team, it's somewhat on the higher...
What do you like most about Synology DSM?
The most valuable features of Synology DSM are its security and connectivity.
What is your experience regarding pricing and costs for Synology DSM?
The solution’s pricing is neither cheap nor expensive.
What needs improvement with Synology DSM?
Users may lose their data if they don't configure the solution properly.
 

Also Known As

Zerto Virtual Replication
Synology DiskStation Manager (DSM)
 

Overview

 

Sample Customers

United Airlines, HCA, XPO Logistics, TaxSlayer, McKesson, Insight Global, American Airlines, Tencate, Aaron’s, Grey’s County, Kingston Technologies
Information Not Available
Find out what your peers are saying about HPE Zerto Software vs. Synology DSM and other solutions. Updated: July 2025.
863,776 professionals have used our research since 2012.