LinkStation™ 500 Series 

The LS520DN is a customizable network attached storage device designed to serve as the digital hub of a connected home. It is equipped with everything needed to store, share, stream and protect all valuable files and multimedia like digital documents, photos, music and video files.

This product is currently while supplies last. The LinkStation SoHo devices are the direct replacement.



Organize and Protect Your Digital Life

Ideal for home users, the LS520DN provides simplified network storage and backup, along with other features that make it easy to store, organize, access and stream media files to or from any computer, smartphone or tablet. The LS520DN is easy to use and powerful enough to stream up to four high definition films simultaneously, allowing each family member to watch their favorite content, on their own device, wherever they are, and at the same time.

LinkStation - The Truly Private Cloud

buffalo americas linkstationBuffalo's private cloud solution ensures your privacy and comes without any monthly fees. With a private cloud, your data stays protected in the physical location of your device - not off-site in a third-party's data center. So your data is accessible and just a couple of keystrokes away. The LinkStation 520DN has large capacity options and there are no limitations on daily transfer sizes, and no monthly cloud service fees.

WebAccess Provides One-Click Access From Anywhere

buffalo americas linkstation connecting to iphone, computer, laptop, tablet, audio media station, and cloud serverBuffalo's free WebAccess app makes it possible for you to create a private cloud for easy remote access and file sharing with anyone as long as you have access to the Internet. All you need is a smartphone or tablet and Buffalo free Android™, iOS or Windows® app to enjoy full access to the digital content on your LinkStation 520DN.

Easy Setup and Intuitive Web-Based Interface

The LS520DN has a graphical user interface that simplifies setup and use of the system. Simply follow the step-by-step instructions and you're on your way to secure network storage within minutes.

Home   iOS window home screen   iOS settings window

Premium-Grade HDDs for Performance & Reliability

buffalo americas linkstationThe LS520DN comes with premium-grade hard drives, providing maximum performance and durability for storing, sharing and streaming files. In addition to powerful performance, these hard drives result in lower operating costs and have longer average lifetimes. All you have to to do is select how much storage space you want.

Designed to Minimize Power Consumption

Who doesn't want lower utility costs? The LS520DN's power control feature include on/off scheduling, Wake on LAN and hard drive spin down. These features enable the LS520DN to stop working when you do, reduce power consumption and extend the product's lifespan.

Show Your Stuff on the Big Screen

The LS520DN is DLNA-compatible so you can stream content from your computer, tablet or smartphone to smart televisions that are also DLNA-compatible.

DLNA is the Digital Living Network Alliance, and consortium of electronics manufacturers that devleoped and promoted interoperability standards and certified more than 25,000 devices for compatibility.

Big-Time Backup

The award-winning NovaBACKUP® software from NovaStor is included for managing backups on PCs, while the LS520DN also works with Apple® Time Machine® and is ready for multi-client Mac® backups.

Our goal - make technology painless for customers

buffalo americas iconWe know technology can be confusing and difficult to install and deploy. At Buffalo, we work to make our technology products reliable and easy to enjoy right out of the box. This starts with understanding the needs of our customers, so we can design products that align with your requirements.

Buffalo will work with you to make technology understandable and simplify the mystery. We're easy to reach and are ready to serve you. Give us a call - we look forward to helping you make the right technology desicions.

NovaBACKUP Buffalo Edition

Novastor icon     The NovaStor NovaBACKUP licenses (up to $500 value) included with these devices offer the best single-server and PC backup software for servers and workstations. To learn more, click here.



Part Numbers LS520DN0202 (2 TB)
LS520DN0402 (4 TB)
LS520DN0802 (8 TB)
Form Factor Desktop

Internal Hard Drives

Number of Drives 2
Hard Drive Type NAS-grade
Drive Interface SATA 2.0 (3 Gbps)
Capacity 2 TB: LS520DN0202 (2 x 1 TB)
4 TB: LS520DN0402 (2 x 2 TB)
8 TB: LS520DN0802 (2 x 4 TB)
Supported RAID 0/1/JBOD


Processor Realtek RTD1195N (Dual Core)
Memory DDR3 256MB
Speed 110+ Mbps

LAN Interface

Standards Compliance IEEE802.3ab / IEEE802.3u / IEEE802.3
Number of Ports 1
Data Transfer Rates 10/100/1000 Mbps
Connector Type RJ-45
Supported Protocols TCP/IP
Network File Services SMB/CIFS, AFP, FTP, HTTP/HTTPS

USB Interface

Standards Compliance USB 3.0
Number of Ports 1
Data Transfer Rates 5 Gbps*
Connector Type USB 3.0 Type A

* 5 Gbps is the maximum transfer rate derived from the specifications of the Universal Serial Bus 3.0. Actual transfer rates will vary depending upon environmental factors.
Data rates, features and performance may vary based on the configuration of your system and other factors.


Device Dimensions (L x W x H) 3.43 x 8.07 x 5.02 in
Device Weight 5.51 lbs
Package Dimensions (L x W x H) 5.04 x 10 x 8.82 in
Package Weight 6.61 lbs

Environmental & Power

Power Consumption 36W Max
Power Supply External, AC 100-240V, 50/60Hz
Operating Environment 41-95° F
Operating Humidity 20-80% (non-condensing)


Warranty Period 3 years
Replacement HDDs OP-HD1.0BN, OP-HD2.0BN, OP-HD4.0BN
Client OS Support Windows® 10
Windows® 8.1 (32-bit/64-bit)
Windows® 7 (32-bit/64-bit)
Mac OS® X 10.7 or later*

* Some included optional utilities are not supported.

Box Contents

LinkStation 520DN, network cable, AC adapter, Quick Setup Guide, Warranty Statement


LS520DN's Solution for multi-device streaming
LS520DN's Solution for multi-device storing
LS520D Firmware Recovery Procedure
Linkstation LS520D Firmware Recovery Procedure
Check RAID Configurations



    File Size Post Date Version OS Support Notes
2020-07-01 4.50 Firmware Update for the LinkStation 520D


    File Size Post Date Version OS Support Notes
2017-25-01 Manuals, Quick Start Guides and software for the LS520D (including NovaStor download).
2020-07-01 4.50 Release Notes for LS520 firmware updater
2020-27-07 3.0.4 Windows Readme for NAS Navigator for Windows
2019-18-07 2.99 Windows Lisez-moi pour NAS Navigator pour Windows (français)
2019-18-07 2.99 Mac Readme for NAS Navigator for Mac NOTE: For users running MacOS 10.13 or later, download and install the latest version of NAS Navigator2 from Mac App Store.
2019-18-07 2.99 Mac Lisez-moi pour NAS Navigator pour Mac (français) REMARQUE: pour les utilisateurs d'ordinateurs sous MacOS 10.13 ou ultérieur, téléchargez et installez la dernière version de NAS Navigator2 à partir du Mac App Store.


    File Size Post Date Version OS Support Notes
2020-27-07 3.0.4 Windows NAS Navigator for Windows
2019-18-07 2.99 Mac NAS Navigator for Mac NOTE: For users running MacOS 10.13 or later, download and install the latest version of NAS Navigator2 from Mac App Store.


LinkStation 520DN 2TB

  • - 2

LinkStation 520DN 4TB

  • - 4

LinkStation 520DN 8TB

  • - 8