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Synology DS415+ Diskless System DiskStation 4-Bay NAS

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Marketplace Seller
  • 4-Bay
  • Diskless System
  • Intel Atom Quad Core 2.4 GHz Processor
  • 2 x 10/100/1000M
  • 2 x USB3.0 + 1 x USB2.0

  • Overview
  • Specs
  • Warranty & Returns
  • Reviews

DiskStation DS415+

Quad-core 4-bay NAS optimized for intensive tasks and encryption

Designed for small and medium-sized businesses, DS415+ delivers outstanding performance, accelerated hardware encryption, and ample storage capacity — satisfying the growing need for both speed and security.


High-speed data transfer and hardware encryption engine

Equipped with a quad-core processor and AES-NI hardware encryption engine, DS415+ delivers blazingly fast file transfer speeds – even when handling encrypted data. With Link Aggregation enabled, DS415+ delivers average reading and writing speeds of 225.81 MB/s and 223.86 MB/s respectively1, while encrypted file transfers retain an astoundingly similar level of performance, exceeding 225.84 MB/s reading and 171.82 MB/s writing. That means you can safeguard data without sacrificing performance.

Dual LAN ports for failover and Link Aggregation support

Equipped with two Ethernet ports featuring failover and Link Aggregation support, DS415+ ensures continual network uptime even if LAN connection malfunction occurs on one port, reducing the chance of service disruption and costly downtime. Link Aggregation improves connection speeds beyond the limits of a single network cable or port.


Easy installation, hassle-free maintenance

Easy installation and hot-swappable hard drive support ensures easy maintenance and continuous service uptime should a hard drive need replacement. In addition, DS415+ incorporates a passive cooling design to reduce dependency on the dedicated processor cooling fan, thus mitigating any critical point of failure. When the system detects a fan failure, the built-in redundancy mechanism ensures continuous operation until the replacement fan arrives.


USB 3.0 and eSATA ensure speedy transfers to external storage

DS215+ boasts USB 3.0 and eSATA ports to connect to various kinds of external storage devices, while ensuring fast and efficient file transfer speeds. USB 3.0 support offers transfer speeds of up to 5 Gbps (about 10 times faster than USB 2.0), taking less time to transfer data to external hard drives and reducing power consumption.


Award winning OS - DiskStation Manager

Synology DiskStation Manager (DSM) is a sleek, browser-based operating system running on every DiskStation and RackStation, which makes managing your Synology NAS a breeze. Featuring an intuitive user interface, DSM makes accessing and sharing your data smarter and simpler. Synology's Package Center lets you download and install useful add-on packages designed specifically for individual or business needs, meaning you can enjoy more entertainment in your life or better productivity at work.


Seamless storage solution for virtualization environments

DS415+ provides seamless storage solutions for virtualization environments, including VMware, Citrix, and Microsoft Hyper-V. With VMware vSphere® 5 & VAAI integration, DS415+ helps offload specific storage operations and optimizes computation power in VMware environments. Windows ODX support speeds up data manipulation as the data transfer is offloaded. iSCSI also lets SMB users consolidate storage into data center storage arrays while providing hosts with the illusion of locally-attached disks.

Fit into business environments easily

With the support of Windows AD, LDAP, and Domain Trust, DS415+ enables seamless account integration. The User Home feature can automatically create a "home" folder for every user account to minimize the administrator's effort in repeatedly creating "home" folders for all accounts. Windows ACL support on DS415+ allows IT administrators to fine tune access controls and set up privileges to files and folders on DS415+ through the familiar Windows user interface. With compatibility for major protocols, DS415+ can eliminate server configuration overhead and enhance IT administrators’ efficiency.


Optimize storage management

With Synology's Storage Manager, DS415+ allows for flexible storage deployment and utilization. You can optimize RAID configuration with Synology Hybrid RAID (SHR) while providing redundant data protection. Other features such as multiple volumes on single RAID and Global Hot Spare also greatly enhance management efficiency and fit deployment of any kind.


The most compatible sharing

Enjoy seamless files sharing across Windows®, Mac®, and Linux® platforms as DS415+ offers comprehensive network protocol support including FTP, SMB2, AFP, NFS and WebDAV. With Windows AD and LDAP integration, DS415+ can fit effortlessly into any existing network environment - there is no need for IT administrators to maintain two sets of credentials. You also won't worry about missing files with the Recycle Bin feature which is supported on AFP, CIFS, File Station, and WebDAV. All files deleted in a shared folder will be automatically moved into the Recycle Bin.

Effective backup solution

Synology DS415+ can serve as a centralized backup target. Whether you are a Windows or Mac user, you can back up everything on your computer directly to Synology NAS using Cloud Station. Whenever you modify a file, the changes are backed up to DS415+ automatically. Mac users also enjoy native Apple® Time Machine support. You can also back up data from your DS415+ to another DiskStation, rsync servers, external drives, or even Amazon® S3, Glacier cloud service, Microsoft Azure, SFR, and hicloud. "Backup & Replication" allows you to schedule backup tasks and restore the server to any particular point in time, while minimizing storage consumption and processing time by saving only the specific data block that has been changed between versions.


All-in-One server

Offering rich office applications, DS415+ can serve as your multi-function server. With add-on packages Mail Server and Mail Station, DS415+ can become a dedicated mail server, and let you enjoy complete webmail service. DS415+ can become a VPN server or VPN client. The comprehensive VPN service let you access resources remotely while maintaining security protocols. As a printer server, DS415+ minimizes businesses' operating costs by sharing printing resources throughout the office. Administration and network tools, such as DNS Server, Directory Server, RADIUS Server, DHCP Server, and Log Center help you manage IT deployment and policies more efficiently. Maximize resource utilization with DS415+!


Ensuring business continuity

Uninterrupted availability is a critical goal for all businesses. DS415+ supports Synology High Availability (SHA) technology which combines an active and passive server into one cluster, the former always mirrored to the latter. The Heartbeat mechanism detects regular "heartbeats" between the two servers. If the main server encounters unexpected downtime, the passive server immediately takes over. With multiple LAN ports, DS415+ also ensures redundancy in the event of unexpected network failure.


Increase business productivity with cloud solutions

With comprehensive cloud solutions, DS415+ lets you create your own private cloud easily. Cloud Station is the perfect package to sync files across multiple devices. Files can be edited in offline mode and later synced to Cloud Station, which keeps up to 32 historical versions, allowing you to restore a file back to previous version or recover deleted files. With the mobile app DS cloud, any change made to a file is automatically synced to your smartphones and tablets. For distributed enterprises, Synology's 2-way sync between different DiskStations ensures employees at different locations share the same information in real-time. IT administrators can handpick individual folders that they want to sync to different devices, manually or automatically based on file format and size. Folders synced by Cloud Station can be encrypted on DSM — no one will be able to access its content without your private key.


Secure your data

DS1815+ offers advanced security measures to protect you from potential security holes. Security Advisor analyzes system settings, password strength, network preferences and removes any possible malware. AppArmor blocks malicious programs from accessing unauthorized system resources. You can also customize the trust level in Package Center to avoid installing packages from untrusted sources, safeguarding your NAS from unknown or tampered files. In addition, DS1815+ provides other security add-ons, such as AES encryption, 2-Step verification, IP block & allow list, Antivirus packages, firewall, and DoS attack prevention.

Network security




AES 256-bit encryption


2-Step verification


Trust level


Eco-friendly NAS server

All Synology NAS is designed with energy efficiency in mind. DS415+ only consumes 14.78W in HDD Hibernation and 32.64W in access. The support of Wake on LAN/WAN and scheduled power on and off can further reduce power consumption and operation cost. Synology acknowledges the responsibility as a global citizen, so all Synology products are produced with RoHS compliant parts and packed with recyclable packing materials.

* The power consumption figures may vary on different environments.

Learn more about the Synology Inc. DS415+

Warranty, Returns, And Additional Information
  • Warranty
  • Limited Warranty period (parts): 2 years
  • Limited Warranty period (labor): 2 years
  • Read full details
  • Return Policies
    • Return for refund within: 30 days
    • Return for replacement within: 30 days
  • This item is covered by's Standard Return Policy.
Ownership: more than 1 year
Verified Owner
5/ 5
Rock solid 4/12/2020 10:07:49 PM

Overall Review: I've used this since Nov 2015 and it has performed great. My peer built a homemade NAS and I bought this. The administration has been easy. Downloading and backing up are simplified. Now, I believe my coworker went too cheap with his custom open source solution. Everything is automated for me. I'm even running pi-hole on a docker container on my Synology.

I plan to upgrade to a new Synology, but the old is still running with no issues.

Did you find this review helpful?
Ownership: more than 1 year
Verified Owner
1/ 5
Junk 10/6/2018 2:26:16 PM

Pros: affordable

Cons: You get what you paid for. Software side is ok and seems to be dummied down for average Joe. Hardware is not reliable at all.

Overall Review: I purchased three of this model. 1 was RMA within a year. Another just died. I also purchased other higher and models thinking they'd be more for uptime. Nope. They died just as well.

Did you find this review helpful?
Ownership: 1 week to 1 month
Verified Owner
5/ 5
DS415+ - Worth it 5/19/2016 5:45:55 AM

Pros: Quality construction
Nice software
Easy setup
Good, low power consuming processor
Lot o' features

Cons: They don't give it away, do they...

Overall Review: This is my first Synology NAS. I can totally see why is has a good reputation. It is well made, loading the drives was fast & easy. They fit in well without any play and seated firmly. There even was screws for 2.5" drive mounting included. The setup and software was even better. Navigating was straightforward and I was running in very little time. This unit cost a bit, but at least you get some value & functionality for your $; you can't always say that.

Did you find this review helpful?
Ownership: 1 week to 1 month
Verified Owner
4/ 5
nice nas 3/28/2016 7:38:12 PM

Pros: Software is great. Very simple to use and setup. SHR is raid 5 plus a few bonuses. Comes with cables for the dual nics.

Cons: For $600 the plastic seems a bit flimsy.

Did you find this review helpful?
Ownership: 1 month to 1 year
Verified Owner
5/ 5
Perfect for SOHO, even newbies 2/10/2016 8:04:20 AM

Pros: Relatively compact, this fits on a bookshelf or easily in file cabinet drawer (which you should not put it in). I'm running the Synology hybrid RAID without issue for 6 months now. The OS is easy once you get familiar and keeps getting better. Using automated backup for 3 pcs as well as for shared directory and DLNA server. Its much quieter than I expected, which is a pleasant surprise. The fans themselves are whisper quiet (my Netgear R7000 router fan is louder) and as long as your drives aren't loud you should be happy with the lack of noise.

Cons: LED are bright and blinky. I'd like better dust control as its fairly open in the front and there's not a lot of option to install custom dust filters.

Overall Review: Truly and pleasantly surprised by how smooth it has been. If you are looking for a home NAS, this is definitely an option to consider.

1 out of 1 people found this review helpful. Did you?
Ownership: 1 month to 1 year
Verified Owner
5/ 5
Works great 12/16/2015 1:46:23 PM

Pros: It does everything as advertised, user interface is great, had no issues setting it up in an small office, 15 PC's connected to it on the first shot, didnt take the whole weekend to setup like i expected, transferred like 900gb of data over LAN in less than 16 hours. Synology Assistant software was key in making everything work, DSM help is well written and easy to interpret for ppl like me who dont know anything about office networking. I used 4 WD red drives 2 tb each in it. its been connected now for 41 days and no issues yet. (im still waiting and checking everyday) Im very happy.

Cons: None at all.

1 out of 2 people found this review helpful. Did you?
Ownership: 1 week to 1 month
Verified Owner
3/ 5
Not so impressed 10/7/2015 8:10:42 AM

Pros: Great GUI and a ton of features and install-able add-on's. Added 4 4TB WD Red NASware drives and was happy with the RAID setup and formatting times. Has great network speed with 2 network interfaces and setup in a bonded array!

Cons: NOT SO POWER-FULL!...I setup the entire NAS on a workbench. Took almost a week to migrate and move all the data to new unit. I moved it to a rack environment; just sitting on top a server and pushed it back against the wall. Lost power! Unplugged the power from rear and the proprietary 4-pin power plug came apart! Now after having the unit for almost 2-3 weeks, I am contemplating returning the unit to NewEgg or RMA'ing a power adapter? Why use what seems to be a cheaply made proprietary 4-pin power supply adapter on what seems to be a great NAS device??

4 out of 7 people found this review helpful. Did you?
Ownership: 1 day to 1 week
Verified Owner
5/ 5
Great little NAS 9/8/2015 12:40:57 PM

Pros: * Powerful, easy to use user interface
* Very quiet
* Low power usage
* Runs Linux under the hood, so power users can customize it
* Fantastic media organizer & DLNA server
* Wide variety of officially provided packages, including Apache HTTPD, dovecot, postfix, cloud servers, GitLab, MariaDB, and more

Cons: * GUIs for configuring some servers (Apache, postfix, dovecot, etc.) are pretty bare-bones; they'll be fine for the average user, but users with more complex needs will have to edit config files by hand... but at least you CAN edit them by hand, so any experienced sysadmin will be able to figure it out.
* The custom Linux distribution provides ash as the shell and only has vi (not vim) as a text editor. Bah!

Overall Review: I bought this to replace an aging hand-assembled server running Ubuntu that I was using as a NAS, and I love it. I've got 3x 3 TB HDDs in a RAID5 and a 240 GB SSD as a cache, and I can get read/write speeds of over 100 MB/s on my gigabit network, so it's probably maxing out the link. The GUI does a great job of monitoring system performance and is very customizable when comes to setting up notifications for updates and security events. It supports pretty much any protocol you could want to use to copy files -- SFTP, SMB, AFS, NFS, and more -- and has very detailed permission control for managing users and groups. You can even join it to a Windows or LDAP domain if you have one.

The part that I'm most impressed with is the DLNA server, honestly. I've spent a long time looking for a package that had a good GUI for allowing multiple users to manage a central library, import existing playlists, construct new ones (including smart playlists), and stream the content to remote clients, and until now I had never found one I was satisfied with. Plex comes close, except it requires a subscription fee to use its advanced features, and it can only import iTunes playlists, which is worthless because nobody in my house uses iTunes. This unit does everything I wanted and more; I have no reservations about calling it "totally sweet."

7 out of 7 people found this review helpful. Did you?
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