computer, tablet device and smartphone in your home or small office. Store, access and share files from anywhere over your

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LinkStation™ 420HIGH PERFORMANCE 2­DRIVE NAS PERSONAL CLOUD STORAGE AND MEDIA

SERVER

Buffalo's LinkStation 420 offers high performance, feature rich network storage and

backup for all PC and Mac® computers on your home network at speeds up to 80+

MB/s. Simply connect it to your wireless router for access anywhere in your home or

on-the-go. Enjoy your movies, music, photos and more.

High Performance - Up to 3X Faster than a Standard NAS Device*

Consolidate storage and back up your PC and Mac® computers

Set up automatic data protection with RAID 1 mirroring

Create a free personal cloud for access to your files anytime, anywhere over theinternet

Access files from your tablet and smartphone devices

Intuitive user interface and easy-to-use setup wizard

DLNA Certified™, iTunes® and PS3™ media server functionality

Built-in BitTorrent client for simplified file downloading and management

USB port for backup or printer sharing

LinkStation™ NAS System

4 TB / LS420D0402

Overview Specifications Resources Downloads

Buffalo's LinkStation 420 is a high performance 2-drive network storage device that comes equipped with a whole host of features, perfectfor storing, sharing, serving and protecting your most important data. Back up multiple PCs and Mac computers simultaneously and enjoyuninterrupted access to terabytes of storage on your network and even over the Internet while away from home.

EXCEPTIONAL PERFORMANCE

Equipped with a high performance 1.2 GHz dual issue ARM processor and DDR3 RAM, LinkStation 420 offers much more than

simple home shared storage. This 2-drive network storage device boasts transfer speeds up to 80+ MB/s, nearly twice as fast

as a USB 2.0 drive and three times faster than a standard NAS device.

SECURE CENTRAL STORAGE

With terabytes of storage, LinkStation 420 provides a reliable, central location to store all data from every PC and Mac

wireless network at speeds up to three times as fast as a standard NAS device.

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EASY SCHEDULED BACKUP FOR PC AND MAC

LinkStation 420 features five licenses of NovaBACKUP® Workstation - Buffalo Edition and Time Machine® support for Mac for

whole home data backup. Disaster and hard drive failures happen unexpectedly; don't leave your important files and treasured

memories in the hands of chance. Schedule backups for every computer in your house and easily protect all of your data, down to the very

last byte.

AUTOMATIC DATA PROTECTION

LinkStation 420 features two hard drives and support for RAID 0/1 for maximum capacity or redundant data protection.

RAID 0 combines all drives into a single array offering maximum capacity with no redundancy

RAID 1 mirrors the two drives, creating an exact copy of data for fault tolerance

FREE PERSONAL CLOUD SERVICE

While on the go, Buffalo's free WebAccess service allows you to create a personal cloud for easy remote access and file

sharing with anyone, anywhere over the Internet. Your data remains securely stored in one place on your home or small office

network, but you can access it quickly from any computer, tablet or smartphone device over the Web.

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For enhanced access on your iPhone®, iPod® touch, iPad and Android™ devices, download Buffalo's free WebAccess mobile apps.

WebAccess i for iPhone® and iPod® touch

WebAccess i HD for iPad®

WebAccess A for Android™

STREAM YOUR FAVORITE MEDIA

LinkStation 420 is DLNA Certified and it can be used as an iTunes server to stream all of your favorite music, movies and shows

to multiple devices simultaneously. Now you can relax and watch movies on your big screen TV while music is pumped

outdoors by the pool. Centralize your media files for simple sharing and streaming.

USB EXPANSION

The LinkStation 420 comes equipped with two USB ports, allowing users to increase storage capacity and/or backup to another

device for an extra level of data protection.

LINKSTATION NAS SYSTEM

LinkStation 420 runs on Buffalo's LinkStation NAS System, providing a host of useful features from network file sharing and

security to RAID management, remote access and more. Included on all Buffalo LinkStation devices, LinkStation NAS System

simplifies your everyday data needs.

*Standard NAS configuration based on a 600 MHz Single Issue ARM processor with 64 MB DDR2 RAM.

Interna( Hard Onves

Number of Orives

Orive lntetfac e

Hard Orive Sizes

Supported RAID

LAN lnterfac e

Standards Complianc e

Data Transfer Rates

ConnectorType

Number of Ports

USB lnterfac e

Standards Complianc e

Data Transfer Rates

ConnectorType

Number of Ports

Protcxol Support

Networking

File Sharing

Management

Other

Oimensions (L x W x H)

Weight

Power Consumption

Power Supply

Client OS Support

2

SATA 3 Gbps

1TB.2TB.4TB

0/1/JBOD (Individual Disks)

(10BASE-Tl1EEE802 3. (1008ASE-TXllEEE802 3u. (10008ASE- T)IEEE802 3ab

10 / 100 / 1000 Mbps

RJ-4S

1

USB 2.0

480 Mbps* (USB 2.0)

A Type

1 x USB 2.0

TCP/IP

CIFS/SMB. Af P. HTIP/HTIPS. FTP/FTPS

HTIP/HTTPS

8.07 x 3.43 x S.02 in

5.29 lbs

Max48W

ExternalAC 100-240V Universal S0/60Hz

Winda.t1s® 10 Winda.t1s® 8 (32-bit/64-bit) Winda.t1s® 7 (32-bit/64- bit) Winda.t1s Vista® (32-bit/64- bit) Winda.t1s® XP Winda.t1s® 2000 Winda.t1s Server® 2012 Winda.t1s Server® 2008 Winda.t1s Server® 2003 Winda.t1s® 2000 Server Mac OS® X up to 10.10*

4 TB