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Synology DiskStation DS1520+ 5-Bay Diskless NAS - Processor: Intel Celeron J4125 Quad Core 2.0GHz/2.7GHz CPU - Memory: 8GB DDR4 non-ECC (4GB SO-DIMM + 4GB DDR4 Onboard) - Drive Bays: 5x 3.5"/2.5" SATA HDD/SSD, 2x M.2 2280 NVMe SSD - I/O: 2x USB 3.0, 2x eSATA, 4x 1GbE RJ45 LAN - Fans: 2x 92mm System Fans - Hot Swappable Drives - AES-NI Hardware Encryption Engine - 3 Years Limited Warranty

Product Features

  • Processor: Intel Celeron J4125 4-core 2.0 (base) / 2.7 (burst) GHz
  • System Memory: 8GB DDR4 non-ECC (4 GB + 4 GB)
  • Maximum Memory: 8GB DDR4 non-ECC
  • M.2 Drive Slots: 2 (NVMe)
  • RJ-45 1GbE LAN Port: 4 (with Link Aggregation / Failover support)
  • Drive Compatibility: 3.5" SATA HDD, 2.5" SATA HDD, 2.5" SATA SSD, M.2 2280 NVMe SSD
Sku: DS1520+
DS1520+
Synology
MPN: DS1520+

Capacity-scalable NAS with SSD Cache Acceleration Capability

Synology DiskStation DS1520+ is an ideal network-attached storage solution, suitable for small office and IT enthusiasts. Two built-in M.2 SSD slots and Synology SSD Cache technology allow you to boost system I/O and application performance. With scalable storage design, DS1520+ lets you start small and expand storage capacity with the Synology DX517 as your data grows.

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Product Highlights

  • Accelerated Application Performance
    Average 16% performance boost to photo indexing and other computing-intensive operations, as well as database response time2
  • Reach Optimal Performance and Capacity with SSD Cache
    Built-in M.2 2280 NVMe SSD slots permit cache acceleration without occupying storage drive bays
  • Expand Storage with Ease
    Flexibly scale up to fifteen drives to increase storage capacity as demand grows
  • Empower Collaboration and Productivity
    Build an on-premises, multi-user collaboration environment with fined-grained control
  • Protect and Restore Data in a Snap
    Back up critical data and reduce Recovery Time Objective (RTO) with Snapshot Replication
  • Ready to Go Virtualized
    Set up and run mainstream virtual machines on your Synology NAS
  • Safeguard Your Physical Asset with 24/7 Surveillance
    Feature-rich Surveillance Station with user-friendly management tools

Streamline Your Data Management Experience

Synology DS1520+ is a powerful 5-bay desktop NAS that brings you a fast and smooth data management experience. Featuring four 1GbE LAN ports with network failover support, DS1520+ provides 451.28 MB/s sequential read and 451.18 MB/s sequential write throughput with Link Aggregation enabled3. DS1520+ also benefits computing-intensive applications, speeding up Synology Drive and Moments by an average 16%2, and boosting Web PHP response efficiency by about 126% as compared to its predecessor, making data management simple and efficient.

DS1520+ comes with two built-in M.2 SSD slots with Synology SSD Cache technology. Random IO responsiveness can be boosted 20 times faster than spinning drives, with no need to occupy front drive bays. You can add up to 15 drives with two Synology DX517 for higher storage capacity.

On-premises Collaboration & Synching Solution

DS1520+ comes with Synology Collaboration Suite, the productivity and file sharing solution that powers team collaboration while leveraging the advantages of the private cloud to fully control data and prevent data leaks -- through HTTPS support, a built-in firewall, and multiple IP and account intrusion auto-blocking mechanisms.

  • Synology Drive enables data synchronization and backup via web portal and desktop applications across Windows®, macOS®, and Linux® platforms. Intelliversioning saves historical versions while minimizing storage space use and supports on-demand data restoration.
  • Synology Office includes Documents, Spreadsheets, and Slides. Its online editing environment allows multiple users to edit, comment, and share company data simultaneously -- at no additional license fee.
  • Synology MailPlus is a reliable mail server, accessible through an intuitive web-based client, that helps users to manage emails and increase productivity. MailPlus supports deployment in High-Availability clusters.
  • Synology Chat enables instant conversations and optimizes team communications with powerful features including message encryption, pinning, forwarding, reminders, and scheduling.

Establish a Strong Storage Foundation with Btrfs

DS1520+ features a Btrfs file system optimized by Synology to offer you high reliability and high performance. Btrfs supports advanced storage technologies that meet the needs of modern business:

  • Advanced snapshot technology provides schedulable and near-instantaneous data protection of shared folders and LUNs.
  • File and folder level data restoration offers users who wish to restore only a specific file or folder more flexibility.
  • Flexible Shared Folder and User Quota System provide comprehensive quota control on all user accounts and shared folders.
  • File self-healing allows Btrfs file systems to auto-detect corrupted files using mirrored metadata and to recover broken data using RAID configurations.
  • Inline compression compresses data before writing them to the drive, to optimize storage use and reduce write commands to the drives.

Full Backup Suite

DS1520+ offers users a range of backup solutions for cloud and physical, on-premises environments. Backing up and restoring data is effortless – and completely free of licenses on compatible NAS models:

  • Back up your cloud data: Cloud Sync enables users to seamlessly back up or synchronize data between a local Synology NAS and other cloud services.
  • Back up your PCs and servers: Synology Drive Client backs up your Windows®, macOS®, and Linux® desktop devices to safeguard important computer files.
  • Back up your Synology NAS: Hyper Backup offers a wide range of destinations for backups of your NAS, including on-premises and cloud.

Running & Protecting Virtual Machines

Synology Virtual Machine Manager (VMM) is an intuitive hypervisor application that lets users easily set up virtual machines and run operating systems including Windows®, Linux®, and Virtual DSM. With VMM, users can build up a cluster environment with multiple Synology systems while keeping the flexibility to scale out online and migrate virtual machines for load balancing and resource allocation. Disaster recovery features including instant snapshot, replication, cloning, restore and failover help you fully protect each virtual machine and safeguard your digital assets at no additional cost.

VMM Pro licenses give access to advanced features including remote replication, remote storage migration, high availability and live migration, helping users further minimize the risk of service downtime and manage IT resources with maximum flexibility.

Automated Video Surveillance System

With Synology Surveillance Station, DS1520+ can act as a full-featured video surveillance system. Simply add network-connected cameras and you can monitor their live feeds, play back recordings, and receive instant event alerts right away4.

  • Works with more than 7,300 IP cameras: Pick any compatible model that suits your requirements and budget, or use the LiveCam app to turn an old smartphone into an IP camera.
  • No subscription fee: Unlike security cameras that require monthly cloud storage subscription, all your recordings are stored on the DS1520+, 100% under your control.
  • Remote monitoring & control: Access your surveillance system from a web browser, the desktop client, or the DS cam mobile app anytime, anywhere.
  • Automation & notification: Set up rules to trigger specific actions when predefined events occur, such as automatically taking snapshots when motion is detected. Get notified by email, SMS, or push notification so that you can intervene in time.

DS1520+

CPU

Intel Celeron J4125 4-core 2.0 GHz,burst up to 2.7 GHz

Hardware encryption engine

Yes (AES-NI)

Memory

8 GB DDR4 non-ECC (4 GB onboard & 4 GB SO-DIMM)

Compatible drive type

  1. 5 x 3.5" or 2.5" SATA HDD/SSD (drives not included)
  2. 2 x M.2 2280 NVMe SSD (drives not included)

Hot swappable drive

Yes

External port

  1. 2 x USB 3.0
  2. 2 x eSATA

Size (HxWxD)

166 x 230 x 223 mm

Weight

2.62 kg

LAN port

4 x 1GbE RJ-45

Wake on LAN/WAN

Yes

Scheduled power on/off

Yes

System fan

2 (92 x 92 x 25 mm)

AC input power voltage

100 V to 240 V AC

Power frequency

50/60 Hz, single phase

Operating temperature

0°C to 40°C (32°F to 104°F)

Storage temperature

-20°C to 60°C (-5°F to 140°F)

Relative humidity

5% to 95% RH

Maximum operating alt='Synology DS1520+ DiskStation 5 Bay NAS, {$sku}, DS1520+'itude

5,000 m (16,400 ft)

Customer Reviews

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The Case for buying an Integrated NAS System from SimplyNAS

Buying a NAS doesn't have to be complicated or stressful. This may only occur at times when looking to buy a diskless NAS as the risk element of receiving a faulty NAS or drives are accentuated. Nothing wrong in buying a diskless NAS and adding your own drives, the savings made may offset the inconvenience of receiving faulty NAS/Drives and having to go deal with returns, or does it? The argument against buying a diskless and self-populating with drives is quite compelling.

Disk Drives:

  • We ensure all drives are compatible with the relevant manufacturer, model provide conformity with the relevant compatibility guidelines.
  • All our disk drives are sourced from manufacturer recommended distributors – we don't buy aftermarket drives or purchase on open grey markets.
  • All our disk drives are sourced from manufacturer recommended distributors – we don't buy aftermarket drives or purchase on open grey markets.
  • Our comprehensive batch rotation ensures customer avoid batch issues and thus promote reliability and longevity.
  • Our methodology for configuration, setting RAID and in-depth burn testing process for disk drives and NAS servers is unsurpassed and the small premium paid for this service is worth its weight in gold.

NAS Servers:

  • We are authorized partners for all the NAS servers we stock.
  • We only sell and support NAS solutions, as a specialist our knowledge is unsurpassable.
  • Our expertise within the technical arena for NAS servers, provides the glue for preventing our customers from making an incorrect buying decision, as we share our knowledge.
  • Our extensive and professional burn-testing service ensure the optimization and deployment of both NAS and Disk Drives is done to provide peace of mind and total integration.
  • Ready to use out of the box, no if's or buts.

Thinking of buying a NAS?

QNAP, Synology, QSAN and TerraMaster – Over fourteen Comprehensive years relationship culminating in our expertise of understanding all the NAS products, and skillfully combining performance, reliability and features to ensure our NAS experts are always at hand to help our customers optimize their storage needs.

At SimplyNAS we balance performance, reliability and compatibility to ensure customers get optimized NAS based disk solutions that perfectly match their Storage needs. All our pre-configured NAS systems are evenly balanced in the areas that really matter.
Call our NAS experts today at 407-960-4690

What is NASBIT?

NASBIT© is a Licensed trademark of SimplyNAS. The acronym stands for Network Attached Storage Burn in Testing. This term is used to describe the process of testing new Network Attached Storage (NAS) hardware and firmware for faults before putting it to use in a live environment. This is done by running 'Stress testing' software for a stipulated period of time often 24 to 48 hours, but longer if needed.

When we receive an order for a NAS system pre-installed with disk drives it's prepared and configured with RAID followed by burn testing to ensure the entire system undergoes a thorough examination thus ensuring the server passes all tests to the highest standards set by us. Should the system hardware or any associated components fail at any point of the testing cycle the system is pulled and returned back as faulty our relevant vendor partner, the process seems simple but setting it up is far from easy.

Hard Disk Drives

All Hard disk drives are pre-tested prior to integration; the smallest of faults be it tolerable within industry standards are classified by us as faults, the hard drive is rejected and eliminated from the process and again returned back to source as a D.O.A. (dead on arrival). We continue to select drives from different batches, so as to eliminate any bad batches that may have been produced during manufacturing.

One integrated the drives are put through a vigorous routine that includes stress testing, including temperature tests and a host of read, writes to ensure the drive platters are stressed to the nth degree.

Memory

First, when the new server is turned on, we boot off of the network, and proceed to run the memory test that takes its sweet time, almost 10-12 hours dependent on manufacturer and model.

RAID

The appropriate RAID level is set and the system awaits completion of RAID synchronization. Once completed the NAS server undergoes numerous re-boots and a deletion of original RAID and a final re-build of RAID level again.

Why is NAS Burn in Testing (NASBIT©) necessary?

If within the designated time span the NAS servers are still running and with zero faults, it is considered suitable for rolling out to our customers. If there is a failure of any kind the systems is replaced with a new one, including hard drives and the process starts again, until the NAS servers passes with ZERO faults.

You would normally expect that this level of testing would be completed by the hardware manufacturers and so these tests shouldn't show up any faults. In our experience of testing hundreds of machines we do find faults, and we do send systems back.

The reason it is so important to perform this level of testing on NAS servers is that the uptime demands are so high. The slightest faults will cause outages and downtime. Once a NAS server is deployed, never again will you have the opportunity to take it offline and perform such detailed testing. Even if it were to crash, there is always a demand that it be put back online as quickly as possible, not left offline whilst thorough diagnostics are completed.

Always remember this is hardware and failures can and will occur even after burn testing has been carried, that is a fact of life we cannot avoid, but we do try and eliminate some of the hassle factor with testing. Thank you for buying from us, we truly appreciate your custom.


NOT AVAILABLE ON DISKLESS UNITS - ONLY FOR SYSTEMS PRECONFIGURED WITH HARD DISK DRIVES
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