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| Model Name |
TS-409 Pro |
TS-409 |
TS-401T |
| Product |
High Performance, High Reliability, Disaster-Proof NAS for Business |
All-in-one NAS Server for SOHO and Home Users |
Business NAS Server |
| Target Customer |
Business Users |
SOHO and Home Users |
Business Users |
| CPU |
Marvell 5281 500MHz |
Marvell 5281 500MHz |
VIA C3 800MHz |
| Flash |
8MB |
8MB |
32MB |
| RAM |
256MB DDRII |
256MB DDRII |
256MB DRAM |
| Hot-swappable |
Yes |
Yes |
Yes |
| Smart Fan |
Yes |
Yes |
No |
| Ethernet |
GigaLAN x1 |
GigaLAN x1 |
GigaLAN x2 |
| USB 2.0 port |
x3 |
x3 |
x2 |
| Internal HDD Support |
SATA I/II |
SATA I/II |
SATA I/II |
| USB One-Touch-Copy |
Yes |
Yes |
No |
| Max Storage (Logical Volume) |
4TB |
4TB |
2TB |
| Online RAID Capacity Expansion |
Yes |
Yes |
No |
| Online RAID Level Migration |
Yes |
Yes |
No |
| RAID Configuration |
|
|
|
| RAID 0 |
Yes |
Yes |
Yes |
| RAID 1 |
Yes |
Yes |
Yes |
| RAID 5 |
Yes |
Yes |
Yes |
| RAID 6 |
Yes |
Yes |
No |
| RAID 5+spare |
Yes |
Yes |
Yes |
| Single |
Yes |
Yes |
Yes |
| JBOD |
Yes |
Yes |
Yes |
| NFS (Linux client support) |
Yes |
No |
Yes |
| SMB/CIFS |
Yes |
Yes |
Yes |
| AFP (for Mac) |
Yes |
Yes |
Yes |
| Windows AD Service |
Yes |
No |
Yes |
| Web Server |
Built-in phpMyAdmin/ MySQL and SQLite (dual support) |
Built-in phpMyAdmin/ MySQL and SQLite (dual support) |
|
| HTTPS/ SSL Secure Login |
Yes |
Yes |
No |
| Web File Manager |
Yes |
Yes |
Yes |
| Remote Replication |
Yes |
Yes |
Yes |
| Encrypted Remote Replication (over SSH) |
Yes |
Yes |
No |
| FTP Server |
Yes |
Yes |
Yes |
| FTP Passive Port Range Setup |
Yes |
Yes |
No |
| FTP over SSL/TLS (explicit encryption) |
Yes |
Yes |
No |
| FTP Bandwidth Control |
Yes |
Yes |
No |
| Backup Server with NetBak Replicator Software (Auto-sync, Schedule, and Instant Backup) |
Yes |
Yes |
Yes |
| Printer Server |
Yes (Max. 3 sets) |
Yes (Max. 3 sets) |
Yes (1 set) |
| Multimedia Station with Photo Album |
Yes |
Yes |
No |
| Authority Control of Albums (Multimedia Station) |
Yes |
Yes |
No |
| SSH/Telnet Login |
Yes |
Yes |
No (with Telnet version) |
| Configurable Management Port |
Yes |
Yes |
No (management port=6000) |
| IP Filter |
Yes |
Yes |
No |
| UPnP/ DLNA Media Server |
Twonky UPnP/ DLNA with Internet Radio |
Twonky UPnP/ DLNA with Internet Radio |
No |
| BitTorrent/ FTP/ HTTP Download Station |
Yes |
Yes |
No |
| QGet Download Remote Control Software |
Yes |
Yes |
No |
| iTunes Music Server |
Yes |
Yes |
No |
| Max User Accounts |
1024 |
1024 |
1024 |
| Max Groups |
128 |
128 |
128 |
| Max Shared Folder |
256 |
256 |
256 |
| User Quota Setting |
Yes |
Yes |
Yes |
| HDD Bad Block Scan |
Yes |
Yes |
No |
| UPS Support |
Yes |
Yes |
Yes |
| Network Recycle Bin |
Yes |
Yes |
No |
| Alert Notification by Email |
Yes |
Yes |
Yes |
| Dynamic DNS |
Yes |
Yes |
No |
| Multi-lingual Support |
10 |
10 |
6 |
