| |
TS-420U |
TS-421U |
| Model |
TS-420U
|
TS-421U
|
| Segment |
SOHO/ SMB
|
SOHO/ SMB
|
| OS |
Embedded Linux
|
Embedded Linux
|
| CPU |
Marvell 1.6 GHz
|
Marvell 2.0 GHz
|
| Memory |
1GB RAM
|
1GB RAM
|
| Flash |
16MB
|
16MB
|
| Extra RAM Slot (Memory Expansion) |
-
|
-
|
| Max. number of HDDs/SSDs supported |
4x 2.5" or 3.5" SATA 3Gb/s
|
4x 2.5" or 3.5" SATA 3Gb/s
|
| Swappable HDD Tray |
Yes, Lockable
|
Yes, Lockable
|
| Gigabit LAN Ports |
2
|
2
|
| USB 2.0 |
2
|
2
|
| USB 3.0 |
2
|
2
|
| eSATA |
2
|
2
|
| VGA |
-
|
-
|
| HDMI |
-
|
-
|
| LED Indicators |
Status, LAN, USB, HDD 1-4
|
Status, LAN, USB, HDD 1-4
|
| LCD Display/ Button |
-
|
-
|
| Buttons |
Power, Reset, USB Auto Copy
|
Power, Reset, USB Auto Copy
|
| Alarm Buzzer |
System Warning
|
System Warning
|
| Form Factor |
1U Rack Mount
|
1U Rack Mount
|
| Dimensions (DxWxH) mm |
483x 439x 44
|
483x 439x 44
|
| Weight (Net/ Gross) kg |
6.7kg/11.06kg
|
6.7kg/11.06kg
|
| Temperature |
0 - 40 °C
|
0 - 40 °C
|
| Humidity |
0 - 90% R.H
|
0 - 90% R.H
|
| Power Supply Specification |
External Power Adapter, Input: 100-240V AC, 50/60Hz, Output: 250W, 47-63Hz, 3.5A
|
External Power Adapter, Input: 100-240V AC, 50/60Hz, Output: 250W, 47-63Hz, 3.5A
|
| Power Consumption: Sleep Mode |
15W
|
12W
|
| Power Consumption: In Operation |
29W
|
33W
|
| Power Off (Wake-On-LAN/WOL) |
-
|
-
|
| Power Consumption: Power Off |
0.05W
|
0.05W
|
| File System: Internal Hard Drive |
EXT3, EXT4
|
EXT3, EXT4
|
| File System: External Hard Drive |
EXT3, EXT4, NTFS, FAT32, HFS+
|
EXT3, EXT4, NTFS, FAT32, HFS+
|
| Network Client Platform |
Windows XP/ Vista/ Windows 7/8, Windows Server 2003/R2, 2008/R2, 2012, Mac OS X, Linux, UNIX
|
Windows XP/ Vista/ Windows 7/8, Windows Server 2003/R2, 2008/R2, 2012, Mac OS X, Linux, UNIX
|
| Microsoft Network (CIFS/ SMB) |
Yes
|
Yes
|
| Mac (AFP v3.3) |
Yes
|
Yes
|
| Linux (NFS v3) |
Yes
|
Yes
|
| Internet (HTTP) |
Yes
|
Yes
|
| File Transfer Protocol (FTP) |
Yes
|
Yes
|
| Secure Internet (HTTPS) |
Yes
|
Yes
|
| WebDAV |
Yes
|
Yes
|
| TCP/ IP |
Yes
|
Yes
|
| Fixed/ Dynamic IP Address |
Yes
|
Yes
|
| Port Trunking |
Balance-rr (Round-Robin),Active Backup, Balance XOR, Broadcast, IEEE 802.3ad, Balance-tlb (Adaptive Transmit Load Balancing), Balance-alb (Adaptive Load Balancing)
|
Balance-rr (Round-Robin),Active Backup, Balance XOR, Broadcast, IEEE 802.3ad, Balance-tlb (Adaptive Transmit Load Balancing), Balance-alb (Adaptive Load Balancing)
|
| Multi-IP Settings |
Yes
|
Yes
|
| DHCP Server |
Yes
|
Yes
|
| Dynamic DNS |
Yes
|
Yes
|
| Jumbo Frame |
Yes
|
Yes
|
| Network Service Discovery (UPnP & Bonjour) |
UPnP & Bonjour
|
UPnP & Bonjour
|
| Virtual LAN (VLAN) |
-
|
-
|
| Wireless LAN via USB Wi-Fi Adapter |
Yes
|
Yes
|
| Service Binding Based on Network Interfaces |
Yes
|
Yes
|
| IP Filter |
Yes
|
Yes
|
| Encrypted Remote Replication |
Yes
|
Yes
|
| Hot-swappable |
Yes
|
Yes
|
| Bad Blocks Scan |
Yes
|
Yes
|
| HDD S.M.A.R.T. |
Yes
|
Yes
|
| File System Check |
Yes
|
Yes
|
| PC-less RAID Setup via LCD Panel for First-time Installation (Touch-N-Go) |
-
|
-
|
| FIPS 140-2 Validated AES 256-bit Volume-based Encryption |
-
|
-
|
| External Drive Encryption |
Yes
|
Yes
|
| Built-in iSCSI Target Service |
Yes
|
Yes
|
| Virtual Disk (iSCSI Initiator) |
Yes
|
Yes
|
| RAID Recovery |
Yes
|
Yes
|
| Online RAID Capacity Expansion |
Yes
|
Yes
|
| Online RAID Level Migration |
Yes
|
Yes
|
| RAID10+ hot spare |
-
|
-
|
| RAID10 |
Yes
|
Yes
|
| RAID 6+ hot spare |
-
|
-
|
| RAID 6 |
Yes
|
Yes
|
| RAID 5+ Spare |
Yes
|
Yes
|
| RAID 5 |
Yes
|
Yes
|
| RAID 1 |
Yes
|
Yes
|
| RAID 0 |
Yes
|
Yes
|
| JBOD |
Yes
|
Yes
|
| Single Disk |
Yes
|
Yes
|
| Global Hot Spare |
Yes
|
Yes
|
| Bitmap Support |
Yes
|
Yes
|
| NAS Discovery Tool |
QNAP Qfinder for Windows, Mac, and Linux
|
QNAP Qfinder for Windows, Mac, and Linux
|
| iSCSI Target |
Yes
|
Yes
|
| iSCSI LUN Snapshot/Backup |
Yes
|
Yes
|
| Multi-LUN per Target |
Yes
|
Yes
|
| LUN Mapping & LUN Masking |
Yes
|
Yes
|
| SPC-3 Persistent Reservation (iSCSI) |
Yes
|
Yes
|
| MPIO (iSCSI) |
Yes
|
Yes
|
| MC/S (iSCSI) |
Yes
|
Yes
|
| Virtual Disk Drive (via iSCSI Initiator) |
Yes
|
Yes
|
| Storage Plug & Play (iSCSI & Samba |
Yes
|
Yes
|
| Web File Manager |
Yes
|
Yes
|
| FTP over SSL/ TLS (Explicit) |
Yes
|
Yes
|
| FTP Passive mode with Port Range Setup |
Yes
|
Yes
|
| Unicode Support |
Yes
|
Yes
|
| Share Folder Level ACL Support |
Yes
|
Yes
|
| Windows ACL |
Yes
|
Yes
|
| Advanced Folder Permission with Subfolder ACL Support for CIFS/SMB, AFP, FTP and Web File Manager |
Yes
|
Yes
|
| Users quota setting |
Yes
|
Yes
|
| FTP bandwidth control |
Yes
|
Yes
|
| Backup to external storage |
Yes
|
Yes
|
| Real-time Remote Replication (RTRR) |
Yes
|
Yes
|
| RTRR Max. Number of Jobs |
8
|
8
|
| Encrypted Remote Replication |
Yes
|
Yes
|
| Remote Replication |
Yes
|
Yes
|
| Client backup software: NetBak Replicator (Windows) |
Yes
|
Yes
|
| USB One-Touch-Copy |
Yes
|
Yes
|
| Apple Time Machine Support |
Yes
|
Yes
|
| Could Storage Backup |
Yes
|
Yes
|
| Microsoft Active Directory (AD) Authentication |
Yes
|
Yes
|
| LDAP Server |
Yes
|
Yes
|
| LDAP Client |
Yes
|
Yes
|
| Domain Users Login via CIFS/SMB, AFP, FTP and Web File Manager |
Yes
|
Yes
|
| 3rd Party Backup Software Support |
Veeam Backup & Replication, ARCserve Backup, Acronis True Image, EMC Retrospect, Symantec Backup Exec, LaCie SilverKeeper (backup)
|
Veeam Backup & Replication, ARCserve Backup, Acronis True Image, EMC Retrospect, Symantec Backup Exec, LaCie SilverKeeper (backup)
|
| Alert Notification (Email, SMS, Windows Live Mesenger) |
Yes
|
Yes
|
| Smart fan |
Yes
|
Yes
|
| LED display/ alarm buzzer |
Yes
|
Yes
|
| System software upgrade |
Yes
|
Yes
|
| Support network time protocol |
Yes
|
Yes
|
| Network Recycle Bin for file deletion via CIFS/SMB and AFP with retention time and file-type filter |
Yes
|
Yes
|
| Wake on LAN (WOL) |
Yes
|
Yes
|
| Schedule Power On/Off (15 settings) |
Yes
|
Yes
|
| Web-based GUI for System Administration |
Yes
|
Yes
|
| SNMP (v2 & v3) |
Yes
|
Yes
|
| Real-time SystemResource Monitor |
Yes
|
Yes
|
| Firmware Live Update |
Yes
|
Yes
|
| Save and restore configuration |
Yes
|
Yes
|
| LCD Panel Configuration |
-
|
-
|
| Reset button (admin password & network settings) |
Yes
|
Yes
|
| Display online users |
Yes
|
Yes
|
| Display system log/ alert/ error |
Yes
|
Yes
|
| File-level Connection logs |
Yes
|
Yes
|
| Display all DHCP assignment information |
Yes
|
Yes
|
| Send logs to a remote syslog server |
Yes
|
Yes
|
| UPS Support |
Yes
|
Yes
|
| Network UPS with SNMP Manaement |
Yes
|
Yes
|
| USB Printer (Max 3) |
Yes
|
Yes
|
| PHP |
Yes
|
Yes
|
| MySQL |
Yes
|
Yes
|
| Telnet login |
Yes
|
Yes
|
| SSH login |
Yes
|
Yes
|
| Multimedia Station |
Yes
|
Yes
|
| Photo Station |
Yes
|
Yes
|
| Music Station |
Yes
|
Yes
|
| iTunes Server |
Yes
|
Yes
|
| HD Station |
-
|
-
|
| TV Station |
Yes
|
Yes
|
| AirPlay (QiTunesAir QPKG) |
Yes
|
Yes
|
| DLNA Media Server |
Yes
|
Yes
|
| Supported Music Format via DLNA |
mp3, m4a, m4a (ALAC), m4b, 3gp, apl, ac3, m1v, m4v, mov, aac, amr, awb, wav, pcm, lpcm, mp1, mp2, aif, aiff, aifc, snd, wma, ogg, flac
|
mp3, m4a, m4a (ALAC), m4b, 3gp, apl, ac3, m1v, m4v, mov, aac, amr, awb, wav, pcm, lpcm, mp1, mp2, aif, aiff, aifc, snd, wma, ogg, flac
|
| Supported Photo Format via DLNA |
jpg, jpe, jpeg, tiff, tif, gif, png, bmp
|
jpg, jpe, jpeg, tiff, tif, gif, png, bmp
|
| Supported Video Format via DLNA |
wmv, asf, vdr, avi, xvid, divx, flv, mpg, mpe, mts, m2ts, m2t, mpeg, spts, m2p, m2v, mp2t, mp2p, mpg2, dvr-ms, vob
|
wmv, asf, vdr, avi, xvid, divx, flv, mpg, mpe, mts, m2ts, m2t, mpeg, spts, m2p, m2v, mp2t, mp2p, mpg2, dvr-ms, vob
|
| Supported Playlist Format via DLNA |
m3u, m3u8, wpl, pls
|
m3u, m3u8, wpl, pls
|
| Download Station (BT/Magnet Link/HTTP/FTP download) |
Yes
|
Yes
|
| Remote download management software (QGet) |
Yes
|
Yes
|
| Surveillance Station Pro |
Yes
|
Yes
|
| Max Number of Cameras |
Default: 1, Max.: 8 (optional license purchase)
|
Default: 1, Max.: 8 (optional license purchase)
|
| Mobile Surveillance App for iOS & Android |
Vmobile
|
Vmobile
|
| Max USB Webcam for liveview or snapshot (QUSBCam QPKG) |
1 (up to 640x480, 2FPS)
|
1 (up to 640x480, 2FPS)
|
| Syslog Server |
Yes
|
Yes
|
| Antivirus |
Yes
|
Yes
|
| RADIUS Server |
Yes
|
Yes
|
| TFTP Server with PXE Booting |
Yes
|
Yes
|
| Mail Server |
Xmail (QPKG)
|
Xmail (QPKG)
|
| VPN Server (PPTP + OpenVPN) |
Yes (Max clients: 15)
|
Yes (Max clients: 15)
|
| MyCloudNAS Remote Access and File Sharing |
Yes
|
Yes
|
| MyCloudNAS Connect Utility for Windows |
Yes
|
Yes
|
| 3rd Party Cloud Storage |
Amazon S3, ElephantDrive, Google Drive and Symform
|
Amazon S3, ElephantDrive, Google Drive and Symform
|
| Mobile Apps for iOS & Android |
Qfile, Qmanager, Qmobile
|
Qfile, Qmanager, Qmobile
|
| QPKG Center |
Yes
|
Yes
|
| VMware Ready® |
-
|
-
|
| Citrix Ready |
-
|
-
|
| Microsoft Hyper-V Compatibility |
-
|
-
|
| FCC |
Yes
|
Yes
|
| CE |
Yes
|
Yes
|
| Max. Number of Users |
4096
|
4096
|
| Max. Number of User Groups |
512
|
512
|
| Max. Number of Share Folders |
512
|
512
|
| Max. Number of Concurrent Connections |
256
|
256
|
| Batch Creation of Users |
Yes
|
Yes
|
| Language |
English, German, French, Italian, Spanish, Polish, Swedish, Danish, Norwegian, Finnish, Russian, Japanese, Korean, Dutch, Czech, Traditional Chinese, Simplified Chinese, Turkish, Hugarian, Romanian, Thai, Portuguese/Brazil, Greek
|
English, German, French, Italian, Spanish, Polish, Swedish, Danish, Norwegian, Finnish, Russian, Japanese, Korean, Dutch, Czech, Traditional Chinese, Simplified Chinese, Turkish, Hugarian, Romanian, Thai, Portuguese/Brazil, Greek
|
