Manufacturer Addonics TRENDnet
Model NAS25HDU2 TS-S402
Lowest Price $66.00 Compare Addonics NAS25HDU2 prices $151.15 Compare TRENDnet TS-S402 prices
Warranty 1 year limited


RJ45 Ports 1 x 10/100/1000M
USB Ports 2 x USB2.0
eSATA Ports Yes No
Other Ports


Drive Bays 2
Hard Disk Interface 2 x SATA
Hard Disk Size Diskless System
Rotational Speed 7200RPM


Share documents, videos and more at Gigabit speeds
2 Serial ATA I/II hard drives of your choice (HD not included)
Quickly expand your storage or download media with 2 external USB ports
Manage your data from any Internet connection
Control content and user access with the feature rich management interface
Schedule data backups via FTP and HTTP servers without turning on your PC
Supports your favorite USB storage devices such as external hard drives and flash drives.
Ensure complete mirrored backup with RAID 1 and improve performance with RAID 0 technology
Use JBOD management features to make two hard drives act as one
Provides USB one-click backup, to copy USB contents to HD just by pressing a button
Supports file-level backup, speed up the file transfer by transferring only the difference between remote and local files
Supports Digital media server compatible with DLNA certified digital media players, iTunes server
Supports 32 concurrent users (Samba & FTP)
Receive notification via email for critical errors, full hard drives or data modification
Intuitive installation with Plug and Play support
Compatible with Windows 2000/XP/Vista

Form Factor

Dimensions 7" x 6" x 3.09" 7.9" x 4.7" x 4.7"
Weight 0.89 lbs 3.3 lbs lbs
Form Factor Tower


Data Link Protocol Ethernet Ethernet
Network Interface Controller
DLNA Certified No Yes


Standards IEEE 802.3, IEEE 802.3u, IEEE 802.3ab
Supported Protocols Network Transfer Protocol: TCP/IP
Network File Protocols: Microsoft Networks (CIFS / SMB), Internet (HTTP 1.1), FTP
Processor Marvell 88F5182
Memory 4MB Flash / 32MB SDRAM
LEDs Power, SYS, HDD1, HDD2, LAN
Power 12V DC, 5A Switching Power
Temperature 5°C - 40 °C
Humidity 90% ~ 95% (Non-Condensing)


Operating System Embedded Linux
Management Web Management (Internet Explorer 5.0 or later)
System Software Upgrade
Support Network Time Protocol
Multi-User Account / Session Setting

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