LinkStation™ 420D High Performance Double-drives RAID Network Storage


The LinkStation Network Attached Storage (NAS) is an incredibly powerful yet convenient way to link and manage data stored on computers, smartphones, tablets, and other devices. Easy to set up and use, the LinkStation features massive storage and is packed with convenient features for transferring files, streaming content, adding disks, backing up and protecting data, and more.

Easily access files the same way you do with smartphones, tablets and computers.

Gives everyone in the family quick access!

This unit enables high-speed more than 80 MB/s transfers. Enjoy getting to your photos, movies, and music quickly and reliably, even with the entire family accessing their data at the same time.

Designed and built for high performance

2.8 Times Faster than a USB Hard Drive

With the latest-generation processors and technologies, the LinkStation achieves data transfer speeds of 80 MB/s or more (when DLNA feature is switched off; default DLNA setting is "Off"). Experience fast copies and videos, streamed content, and more, without the stalls or hiccups.

<Test Environment>MB: Intel® DH77KC, CPU: Intel® Core™ i3-2100, Memory: 2GB, OS: Windows® 7,Benchmarking program: NASPT Version 1.71 (File Copy To NAS), CrystalDiskMark Version 3.0.2a (Sequential Write)

*Increase in transfer speed varies depending on the number and size of files, type of access and PC environment.

Scalable Solution

Choose the RAID Mode for your Needs

Featuring two built-in drives, the LS420D allows you to select any of three RAID modes―RAID 0, RAID 1, or JBOD―to suit your needs. When shipped, the unit is set to "RAID 0", the mode providing maximum storage capacity.

Quick Swap Drives

Hard drives are easily accessible via the front panel.

Advanced Features

iTunes® Server

LinkStation NAS System has an integrated iTunes server allowing users to set up LinkStation as a content source to easily stream content from their LinkStation device directly to any network device running iTunes.

*Supports playback of files on up to five computers and transfers to iPods.
*Supported formats : Audio data (MP3/M4A/M4P)

USB Printer Server

Share basic printing support to client PC and Mac computers on your network. Connect one printer at a time to your LinkStation and share basic printing functions with anyone on your network.

*Mounts as a shared printer in the LinkStation .
*No ink or status reporting from the printer to clients.


Installation is easy with the included setup CD.

NAS Navigator

Easily find and connect to your LinkStation using the NAS Navigator tool. NAS Navigator finds all NAS devices attached to your network, making it easier to manage multiple NAS devices.

"BitTorrent" Support

LinkStation NAS System includes ?Torrent, a powerful BitTorrent client for easy torrent file management. Manage P2P file transfers directly from your LinkStation without the use of a dedicated PC. You can download and share files directly from your LinkStation and you can manage downloads from anywhere using the simple Web-based download manager.

Use the Bittorrent Remote app to manage downloads when you are away from the computer

This app lets you run the "BitTorrent" file sharing software on the LinkStation remotely and stream downloaded files even when you are out and about

* App for Android only

External Hard Drive Support

Plug a USB hard drive into the available USB port to expand the total capacity of your LinkStation unit. External storage cannot be added to the LinkStation RAID array.

No reformatting is required for external HDD & SDXC

This unit supports the exFAT format employed in the NTFS and SDXC systems used by many computers, so there's no need to reformat disks used as additional storage. However, connection of SD cards and other such media requires a separate card reader.

*This unit supports external HDDs formatted in FAT32, XFS, and ext3.

Mac OS X: Time Machine®

LinkStation supports Time Machine for Mac users, including Mac OS X Lion. Schedule backups from one or multiple Mac computers on your network.

Back up your data and prepare for data disasters

■Windows PC Backup
Back up Windows PCs with NovaBACKUP® Professional backup software. Included with each LinkStation NAS unit is five free licenses of NovaBACKUP®, an easy-to-use backup solution that automatically backs up your personal documents along with your favorite photos, music and important email files safely and securely. Back up PCs, notebooks and workstations.

■LinkStation Backup
Back up and protect the data on your LinkStation NAS quickly and securely. Supports back up to another LinkStation via your home or office network (on LAN), or via the Internet (with IP).

■Back up to a USB hard drive
Simply plug a USB hard drive into the USB accessory port on your LinkStation NAS unit and easily back up the contents of your LinkStation. Only AC powered hard drives are supported.

Supports Apple Bonjour

FTP Server

LinkStation NAS System offers an optional FTP server allowing users to securely access and share files on their LinkStation NAS device from outside the local network. The FTP server uses the same security settings as LinkStation user/group network file sharing.

Hardware Overview



Name LS420D


OS Linux Original
CPU Marvell ARMADA 370
Clock 1.2GHz
Memory DDR3 512MB

Internal Hard Drives

Number of Drives 2
Drive Interface SATA II
Supported RAID Levels 0, 1, JBOD (Normal)
Drive Capacity LS420D0202(2TB) LS420D0402(4TB) LS420D0602(6TB) LS420D0602(8TB)

LAN Interface

Standard Compliance IEEE802.3/3u/3ab
Speed and Flow Control 10/100/1000 Mbps (Auto Sensing)
Number of Ports 1 x RJ-45 (Auto MDIX)

USB Interface

Standard Compliance USB 2.0
Connector Type A type
Number of Ports 1

Key Feature

Active Directory support Y
Energy Save Y
Apple Bonjour® Y
Apple Time Machine® Y
iTunes® Server Y
WebAccess Y
BitTorrent™ Y
DLNA™ Media Server Y


Client OS Support Windows® 8 (32/64-bit), 7 (32/64-bit), Vista® (32/64-bit),Windows® XP, Windows® 2000, Windows® Server 2003, Windows® Server 2008, Windows Server® 2012, Mac OS® X 10.8, 10.7, 10.6, 10.5, 10.4
Power Consumption 26W (Average), 48W (Max), 0.44W(Standby)
Dimensions (LxWxH, ) 128 x 87 x 205
Weight 2.4 kg
Operating Environment 5-35°C, 20-80% (non-condensing)
Power Supply AC 100-240V, 50/60Hz
Warranty 3-year

Package Contents

Contents LinkStation LS420D LAN Cable CD-ROM AC power Quick Setup Guide Warranty Statement
LS420D Series / 2013-07-05Product DatasheetDownload

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