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Review Summary
Accidents happen where life happens. Protect your favorite Adorama products and purchase a protection plan to stay covered from accidental damage, mechanical or electrical failure, and more.
If we can’t fix it, we’ll replace it at no additional cost.
Protect your product from drops, spills, and more.
Enjoy your gear without fear. We have you covered!
When regular use of your product over time results in mechanical or electrical failure.
We will never charge you a deductible after the purchase of a plan.
Our claims process is simple & easy and our customer service team is happy to help.
Adorama Protect powered by Extend is available for purchase to customers in the United States. Not available for purchase Internationally or in U.S. Territories.
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Marvell 2.0GHz
1GB DDR3 RAM
16MB
4x 3.5" or 2.5" SATA II HDD/SSD
4x hot-swappable tray
2x Gigabit RJ-45 Ethernet port
STATUS, LAN, USB, eSATA, HDD 1, HDD 2, HDD 3, HDD 4
2x USB 2.0 port (Front x1; Back x1); 2x USB 3.0 port (Back)
Supports USB printer, disk, pen drive, USB hub and USB UPS, etc.
2x eSATA port (Back)
Power button, USB one-touch-backup button, reset button
Mono-LCD display with backlight and buttons for configuration
System warning
Tower
Sleep mode: 13W
In operation: 26W
(with 4x 500GB HDD installed)
0-40 deg. C/ 32-104 deg. F
5-95% RH non-condensing, wet bulb: 27deg.C
External power adaptor,120W, Input: 100-240V
K-lock security slot for theft prevention
1x quiet cooling fan (9 cm, 12V DC)
QTS 4.0
Windows 8 (32/64-bit), Vista, Windows 7 (32/64-bit), Windows XP, Windows Server 2003/2008 R2/2012
Apple Mac OS X
Linux & UNIX
Microsoft Internet Explorer 8, 9, 10
Mozilla Firefox 8+
Apple Safari 4+
Google Chrome
Internal Hard Drive: EXT3, EXT4
External Hard Drive: EXT3, EXT4, NTFS, FAT32, HFS+
TCP/IP (IPv4 & IPv6: Dual Stack)
Dual Gigabit NICs with Jumbo Frame
Service Binding
Proxy Client, proxy server
DHCP Client, DHCP Server
Protocols: CIFS/SMB, AFP (v3.3), NFS (v3), FTP, FTPS, SFTP, TFTP, HTTP(S), Telnet, SSH, iSCSI, SNMP, SMTP and SMSC
TFTP Server with PXE Booting
UPnP & Bonjour Discovery
USB Wi-Fi Adapter Support
Real-time Remote Replication (RTRR)
Works as Both RTRR Server & Client with Bandwidth Control
Real-time & Scheduled Backup
Encryption, Compression, File Filter and Transfer Rate Limitation
Block-level Remote Replication
Works as Both Rsync Server & Client with Bandwidth Control
Encrypted Replication between QNAP NAS Servers
Desktop Backup by QNAP NetBak Replicator for Windows
Apple Time Machine Support with Backup Management
Data Backup to Multiple External Storage Devices
Data Backup to Cloud Storage (Amazon S3, ElephantDrive, Symform and Google Drive)
IP Filter and Policy-based Automatic IP Blocking
Network Access Protection with Auto-blocking: SSH, Telnet, HTTP (S), FTP, CIFS/SMB, AFP
Encrypted Access: HTTPS, FTP with SSL/TLS (Explicit), SSH/SFTP (admin only), Encrypted Remote Replication between QNAP NAS Servers (Rsync over SSH)
CIFS Host Access Control for Shared Folders
Antivirus Protection
Importable SSL Certificate
Instant Alert via E-mail, SMS, Instant Messaging (Windows Live), Beep, and LCD Panel
Single Disk, JBOD, RAID 0, 1, 5, 6, 10, 5 + Hot Spare
Global Hot Spare
Online RAID Capacity Expansion and Online RAID Level Migration
Bad Block Scan and Hard Drive S.M.A.R.T.
RAID Recovery
Bitmap Support
iSCSI Target with Multiple LUNS per Target (Up to 256 Targets/LUNs Combined)
LUN Mapping & Masking
Online LUN Capacity Expansion
Supports SPC-3 Persistent Reservation
Supports MPIO & MC/S
iSCSI LUN Backup, One-time Snapshot and Restore
iSCSI Connection and Management by QNAP Finder (Windows)
Stack Chaining Master: Up to 8 Virtual Disk Drives (via iSCSI Initiator)
Supports VMware vSphere (ESX/ESXi 4.x, ESXi 5.x)
Supports Citrix XenServer 5.x, 6.x
Supports Windows Server 2008 R2 and Windows Server 2012 Hyper-V
Supports Windows Server 2008 R2 and Windows Server 2012 Failover Cluster
Wake on LAN
Internal Hard Drive Standby Mode
Scheduled Power on/off (Max 15 Settings)
Automatic Power on after Power Recovery
USB and Network UPS Support with SNMP Management
Max No. of Users: 4,096
Max No. of User Groups: 512
Max No. of Network Shares: 512
Batch Users Creation
Import/Export Users
User Quota Management
Local User Access Control for CIFS, AFP, FTP and WebDAV,
Application Access Control for Photo Station, Music Station and, Video Station
Subfolder Permissions Support for CIFS/SMB, AFP, FTP and File Station
Microsoft Active Directory (AD)
LDAP Server
LDAP Client
Domain Users Login via CIFS/SMB, AFP, FTP and Web File Manager
Private Cloud Storage and Sharing
Free Host Name Registration (DDNS)
Auto Router Configuration (via UPnP)
CloudLink for Easy VPN Connection (Windows VPN Utility)
Windows Software: QNAP Finder
Create and Map Shared Folders
Create and Connect to iSCSI Target/LUN
Smart Fan Control
Dynamic DNS (DDNS)
SNMP (v2 & v3)
Resource Monitor
Network Recycle Bin for File Deletion via CIFS/SMB and AFP
Automatic Cleanup
File Type Filter
Comprehensive Logs (Events & Connection)
Syslog Client
Firmware Live Update
System Settings Backup and Restore
Restore to Factory Default
Mobile App Qmanager for Remote Monitoring
Chinese (Traditional & Simplified), Czech, Danish, Dutch, English, Finnish, French, German, Greek, Hungarian, Italian, Japanese, Korean, Norwegian, Polish, Portuguese (Brazil), Romanian, Russian, Spanish, Swedish, Thai, Turkish
Supported File Formats - Photo: JPG/JPEG, GIF, PNG, BMP, RAW (.arw, .srf, .sr2, .dcr, .kdc, .cr2, .crw, .nef, mrw, .pef, .paf, .3fr, .erf, .mef, .mos, .orf, .rw2, .dng, .x3f, .tif, .nrw, .raf); Video: FLV, MPEG-4 Video (H.264 + AAC)
Image Slideshow with Background Music, Thumbnails and Different Transition Effects
Online Photo Editing by Pixlr Editor
Geotagging Photos with Google Maps
Slideshow Sharing (from Private Albums) with Password Protection
Photo Publishing to Social Websites (Facebook, MySpace, Twitter, Plurk and Blogger)
Photo Sharing by Email
Supported Audio Formats: MP3, OGG, WAV, AIFF, AU, FLAC, M4A, APE, AAC
Music Streaming from DLNA/UPnP Media Servers
Internet Radio (MP3)
Web Video Sharing
Video Categorization and Transcoding - Supported format: mv, avi, divx, 3gp, mov, mpeg, mpg, xvid, flv, asf, rm, dat, mp4
Video Upload: Up to 2048MB in Size, Up to 320 Minutes in Length, Batch Upload (Max 50 Files)
DVB-T Digital TV Live View, Recording and Playback
Supports up to 2 USB TV Tuners
Electronic Programming Guide (EPG) with Scheduled Recording
Live Web Broadcast of Music Playlists
PC-less BT, FTP and HTTP Download (up to 500 Tasks)
BT Download with Magnet Link and PT Support
HTTP/FTP Download
RapidShare Download Support
Website Subscription Service: YouTube
QNAP Download Management Software: QGet
Supports over 1,400 IP cameras
Includes 1 Free Camera License
Up to 8 Camera Channels via Additional License Purchase
Intelligent Video Analytics (IVA) for Advanced Video Search
Visual Aid by E-map
Surveillance Client for Mac
Mobile App: VMobile (iOS and Android)
File Sharing across Windows, Mac and Linux/UNIX
Windows ACL
Advanced Folder Permission for SMB, AFP, FTP and File Station
Shared Folder Aggregation (CIFS/SMB)File Manager
Mobile App: Qfile for File Browsing and Management
FTP over SSL/TLS (Explicit)
Max No. of Concurrent Connections: 256
FXP Supported
Passive FTP Port Range Control
FTP Bandwidth & Connection Control
Unicode Support
Remote Replication Server (over Rsync)
Real-time Remote Replication to another QNAP NAS or FTP Server
Apple Time Machine Support
Windows Client Backup Application: QNAP NetBak Replicator
Third Party Backup Software Support: Veeam Backup & Replication, Acronis True Image, ARCserve Backup, EMC Retrospect, Symantec Backup Exec, LaCie SilverKeeper, etc.
Add New Features by Online Installation of Official and Community Apps
Max No. of Printers: 3
Supports Internet Printing Protocol
Print Job Display and Management
IP-based and Domain Name-based Privilege Control
Supports Apple Bonjour Printing
Secure Remote Access: PPTP & OpenVPN VPN Services
Remote Access to Other Resources on Local Network
Max No. of Clients: 30
HTTP/HTTPS Connections
Supports WebDAV Connection
Supports Virtual Host (Max: 32)
Importable SSL Certificate
Built-in MySQL Server
Web-based Management via phpMyAdmin (App Center)
Centralized Log Monitoring and Archiving
Instant E-mail Alerts
Supports Log Filtering
Centralized Account Management and Authentication for Network Access
Supports PAP, EAP-TLS/PAP and EAPTTLS/PAP Authentication
Audio and Video Sharing for Windows & Mac iTunes (MP3, AIFF, WAV, MPEG-4, AAC and M4A)
Smart Playlist
Protection against Viruses, Trojans and Other Threats
Free Virus Databases Update on Manual or Scheduled Basis
Multiple Scan Tasks (Max: 64, Concurrent: 5) with Custom Folder Selection and Scheduled Scanning
Email Notification upon Task Completion or Virus Detection
Quarantines or Deletes Infected Files
6.97 x 7.09 x 9.25" / 17.70 x 18 x 23.49cm
3kg / 6.61lbs
885022003754
The Qnap TS-421 1GB is a powerful yet easy to use network storage center for data storage, backup, synchronization, remote access and home entertainment. As your personal cloud, you will always be connected to your files and your files are always under your control.
Easier Operations on QTS 4.0 Desktop
The QTS 4.0 Desktop including quick Main menu, graphic dashboard, drag-and-drop icons, multiple desktops, personalized wallpapers and the smart toolbar making system operations much easier. In addition, multi-tasking is supported which allows multiple windows to be open to access multiple applications concurrently.
Centralize and Protect your Data
The TS-421 is a high-performance cross-platform storage with many friendly storage and backup options that centralizes and protects all your important files on one single device. Time Machine is fully supported to help Mac OS X users create a more efficient and convenient backup solution. The TS-421 works with Time Machine wirelessly over the same network so you no longer need an external drive. Netbak Replicator is the license-free backup software which allows you to back up your files in multiple Window client PCs in schedule or real time. You can also gain a disaster recovery solution with the RTRR (Real Time Remote Replication) feature by replicating data in multiple shared folders from one NAS to another NAS over the network to ensure the safety of your important data. Besides, the data can also be backed up to another FTP server, external disk or to online cloud storage services.
Data Security
All your digital files stored can be managed to share with your family and friends. User accounts, user groups, shared folder access right and user quota can be flexibly and easily set up by yourself. A comprehensive list granting proper access from different users based on IP address can be established to authorize or deny access to the TS-421. The TS-421 has a built in anti-virus feature to detect and protect against viruses, malware, worms and Trojan horses. SSH remote login, SSL security (HTTPS), Secure FTP and encrypted remote replication are supported. Detail logs of file-level access to the TS-421 via different file transfer protocols and services accessed by online users can all be recorded.
Freely Access your Cloud Anywhere
All of your content is available on the go! Through any Web browser or the free app for tablets and smartphones the TS-421 becomes your personal cloud so you are always connected to your data. Take advantage of the myQnapcloud service, which allows you to remotely access your TS-421 wherever you are. Instantly stream or share your multimedia contents and share them with your friends.
Synchronize and Share
Qsync is a new feature that allows you to sync all your devices on the go. It can be synced literally anywhere- on the web, at your home, in the office and on the go. Q sync makes your TS-421 a team sharing device- allowing you to share and edit files among your teammates with automatic updates on the files your team is working on. Qsync provides the function of file synchronization like Dropbox service and brings forth a cost-effective way to share files across groups and communities.
Photo Albums on the Cloud
The TS-421 acts as your photo vault for you to back up your favorite photos. The Photo Station makes photo sharing simple and you can designate your own access right controls. Simply upload your photos to the TS-421 to create and organize your photo albums through a web browser to share with your family and friends. Your mobile devices are useful too, with the Qfile mobile app in your iOS or Android devices you can instantly upload photos to the TS-421. View photo slideshow with background music, Display photo details from EXIF: Date, exposure time, aperture, etc. Can publish photos in a few clicks to social networking sites such as Facebook, Google+, Twitter, MySpace and more. Also Share photos with your friends and family via email. Browse photos via the Qfile app on iPhones, iPads and Android devices
Build your Home Music Library and Enjoy Music Anywhere
The Music Station helps categorize your music collection and displays album covers to easily organize your personal playlists. Through the music station web player, you can enjoy your music anywhere, anytime with a few clicks. Thousands of local and global online Internet radio programs are built-into Music Station for you to enjoy. You can listen to your favorite MP3 songs streamed from iTunes Server or play music by web browsers on your PC. With SBS (Squeezebox Server) app plugin, you can efficiently manage and play them with Logitech music players without even turning on the PC. Stream music to your UPnP Hi-Fi system and indulge in high-quality sound experience. Listen to your music on mobile devices through Qmusic app.
Interact Through your Favorite Social Media Sites
Many applications on the TS-421 are designed with friendly options allowing you to share and connect with your social media communities. When you use Photo Station or Video Station, you can pick and share photos and video links directly to your Facebook. DJ Station allows you to stream and share your music playlist with your friends and family on your social media platforms.
Enjoy your Videos via AirPlay
The TS-421 supports Apple AirPlay. You can enjoy video and multimedia contents on AirPlay supported devices with the QAirplay application or the Qfile mobile app. Available in the App Center, QAirplay allows you to steam your media content directly on TV via AirPlay-enabled devices such as Apple TV. The media contents are streaming on Apple TV, bypassing your mobile device, thus saves the energy of your mobile device. Alternatively, the Qfile mobile app allows you to browse videos and photos stored on the TS-421 and play on the TV via AirPlay-enabled devices such as Apple TV. It is just that convenient to enjoy multimedia entertainment through the wireless experience.
A Sharing Center for your Home Theater
The TS-421 is an ideal video storage center for you to store your movie and home video collection. It features high-speed data transfer, fast enough to support multiple 1080p HD streams. The quiet operation design brings you the best cinema-grade home theater experience right to your living room. Qnap DLNA Media Server supports wireless streaming of all the videos, photos and music stored in the Media Library to any DLNA certified devices, such as PS3, Xbox360 and so on. It supports thumbnails shown on the DLNA devices for identifying the content quickly. TwonkyMedia DLNA Server is also supported to share and stream media contents in the multimedia folder of the TS-421. Use the TS-421 as a PLEx media server and enjoy your content through any Plex client or Smart TV. The TS-421 can work with different media players through SMB/CIFS or other standard protocols.
HappyGet
HappyGet is a handy third-party tool that allows you to download HD videos to the TS-421. By installing the HappyGet plug-in on the Chrome Web Store, you can select your preferred playlist and download an array of videos all at once with the embedded HappyGet button.
24/7 Download Center
The TS-421 is a perfect download center for high speed BT, Magnet, PT (Private Trackers), eMule, FTP and HTTP download. After the download tasks are set ready, you can turn off the computer and the TS-421 will download as many HD videos as you want. With the QGet utility you can manage your download tasks on multiple NAS devices remotely on the local network or the Internet. The TS-421 also supports continuous NZB download and eMule download by installed App Center apps without turning on a PC. Now, it also supports RSS download (broad catching) for automatic BT download.
App Center with rich apps to install on demand
The App Center centralizes various apps developed by Qnap and third-party developers. Popular apps such as Google Drive, Plex media server, NZBGet, Python and more are available in the App center for you to enhance your TS-421 experience. Installation is virtually immediate, with just one click the App will start installing onto the NAS.
Surveillance Station Pro - Protect your Home and Valuables
The TS-421 uses renowned Qnap VioStor NVR software. The TS-421 becomes a professional surveillance station to view IP cameras from your web browser and mobile devices. Supporting over 1,000 IP camera advance features are also included with the Surveillance Station Pro software, such as real-time monitoring, recording and playback. With the user-friendly interface and the expandable IP camera channel licenses, Surveillance Station Pro builds a professional surveillance center for you to monitor your things that you value easier.
Access, Use, Sync and Enjoy with your Tablets and Smartphones
The TS-421 is your private cloud storage that virtually enlarges the capacity of your smart mobile devices. Qfile allows you to access, upload, download, manage and share stored files easily as if you are carrying tons of files in your pocket. Music, photos and videos can be streamed, enjoyed and shared anytime, anywhere. Qmanager lets you monitor and manage the TS-421 remotely and efficiently without turning on a PC.
Expandable Storage
The TS-421 supports large storage capacity, fulfilling the increasing demand for storage. It supports comprehensive RAID management management and online RAID capacity expansion appropriately storing important data and reducing risks of data loss.