LaCie 5big Network 2
Professional 5-Bay RAID Server
2 x Gigabit Ethernet
  • Fast access to your NASPerformance up to 70MB/s*
  • RAID 5 or RAID 6 (hot-swap) modes in case of disk failure
  • Failover and load balancing options using two LAN interfaces
  • iSCSI target
  • Dynamic DNS remote access
  • Time Machine Compatible
  • Design by Neil Poulton
Add Terabytes to Your Network
The LaCie 5big Network 2 offers professional, reliable, central storage for instantly storing, sharing, and backing up from any PC or Mac  on your network. It features up to 15TB** of storage capacity in five bays expandable with its two USB and two eSATA ports. You can also take advantage of its two Ethernet ports to do link aggregation and get twice the performance of single Gigabit Ethernet connection. Recommended for networks of up to 50 users, the 5big Network 2 is the right solution for IT environments looking for high capacity and high transfer speed rates.
RAID Protection

Thanks to the secure RAID modes, including RAID 5 and RAID 6, the 5big Network 2 enables you to keep data access even if one disk fails. The hot-swappable disk trays*** even allow maintenance without affecting your workflow. "Spare" modes allow a second level of protection; a sort of "automatic maintenance" that will immediately start rebuilding the RAID protection in case of a disk failure. And with room for five disks, the 5big offers more capacity than four-disk solutions in almost every RAID mode. Extra spare disks are available as an option for immediate replacement.
A Complete Backup Solution

Get extra security and increase data portability by backing up your LaCie 5big Network 2—on your own schedule—to an external hard drive through its USB and eSATA ports using the built-in copy system. The 5big Network 2 also comes with three client licenses for Genie® Backup Manager Pro™ for Windows® and three licenses for Intego® Backup Manager Pro™ for Mac. This software can be installed on each PC or Mac for client backups to the NAS, and lets you reliably and efficiently back up your documents, emails, settings, or other digital assets. It supports compressed, encrypted, or image backups and implements a computer recovery function in case of a system failure. The LaCie 5big Network 2 is also compatible with Mac OS X 10.5 and 10.6, including Time Machine®, making it an ideal partner for your Mac.
iSCSI Target
You can set up an iSCSI share of your 5big Network 2 and mount it as a local share on your computer in the same way that external hard drives are mounted when connecting to your PC/Mac. An iSCSI connection will bring you performance and flexibility for professional applications. You can use the 5big Network 2 as final backup destination of any server integrating an iSCSI initiator.
Simple, User-Friendly Administration
With the 5big Network 2's new widget-like dynamic web interface, administration is easy, convenient, and secure. Thanks to DHCP and Apipa support, network configuration is fast and automatic. The product integrates easily with existing Windows domains using Active Directory and it allows user, group, share and quota management. Access to administration page and shares is easy using LaCie Network Assistant; and, on top of that, it can provide its administrator notifications via email of events like backup, disk failure, high temperature, etc.
Eco Management

The LaCie 5big Network 2 helps you to reduce power consumption by switching to idle mode (where the disk spins off) after a determined inactivity time. Also, you can schedule a deep sleep on/off mode according to your needs. Thanks to the Wake-on-LAN feature, it can be switched back to operating mode from the client side. The 5big Network 2 also integrates UPS support••• through its USB ports to ensure proper shutdown in case of power failure. On top of that, its exclusive sturdy and elegant aluminum design makes it your ecological partner; it's recyclable and ROHS compliant.
Item Number:
5 TB
10 TB
15 TB
Interface: 2 x Gigabit Ethernet 10/100/1000 Base-TX
Network Protocols: File Server: SMB, AFP, FTP, HTTP, HTTPS
Others: Apple Bonjour, BitTorrent , NTP, 802.3ad, iSCSI, DHCP, Apipa
Remote Access: Via FTP or HTTP. Dynamic DNS services optional.
Expansion Ports: 2 x eSATA
2 x USB 2.0 (type A)
Burst Transfer Rate: (Over Ethernet)
OS with 64KB I/O Read: 60MB/s; Write: 35MB/s
OS with 1MB I/O Read: 70MB/s; Write: 40MB/s
RAID Modes: RAID 0, RAID 1***/5/5+Spare/6 (hot-swappable)
Backup Solutions: PC to NAS: encrypted, compressed, scheduled, remote (FTP)
Data restore and data disaster recovery available
Special Features: iSCSI target
2 x LAN:load balancing and failover
Quota management
Time Machine compatible
Print server
Torrent client
Administration: Direct access to NAS using LaCie Network Assistant
Customizable "widget-based" interface
Wake-on-LAN: Turn the device on/off from the network
Security Access: Users, groups, and shares management.
Private and public access.
Active Directory support
Multimedia: UPnP A/V and DLNA Media Adapter compatible
Remote photo thumbnails; MP3 file streaming
iTunes (DAAP) server
Environment & Power: Automatic standby mode; Scheduled ON/OFF
Uninterrupted Power Supply (UPS) support
Recyclable: Aluminum, ROHS
Cooling System: Ultra-quiet cooling system with self-stabilizing oil-pressure bearing technology
Dimensions (WxHxD): 173 x 196 x 220 mm / 6.8 x 7.7 x 8.6 in.
Weight: 7.62 kg / 16.8 lbs.
System Requirements:
  • Computer with an Ethernet network adapter
  • Windows XP, Windows Vista , Windows Vista 64-bit, Windows 7 / Mac OS X 10.4, 10.5, 10.6 / Linux 2.6
  • Minimum free disk space: 600MB recommended
  • Ethernet switch or router
  • Web browsers: Internet Explorer  7.0 / 8.0, Firefox  3.0, Safari  3.0, or Chrome 2.0 or higher
Software: LaCie Network Assistant for Windows, Mac, and Linux
Genie Backup Manager Pro software for Windows
Intego Backup Manager Pro software for Mac
Box Content: LaCie 5big Network 2
Ethernet cable
External power supply
Utilities CD-ROM with software and User Manual
Quick Install Guide
Drawer key
Comments: *Tests performed using IOZone tool in SMB file systems. PC used: Core2 Duo 2 Ghz /1 GB RAM / Network card RealTek / Crossed cable / XP Professional for 64KB I/O, Vista Professional for 1MB I/O. Performance depends on file system used, file size, and may vary from one drive to another.
**EN 1TB (Terabyte) = 1000GB. 1GB = 1,000,000,000 bytes. Total accessible capacity varies depending upon operating environment (typically 1015% less).
*** RAID 1 is available only if there are two disks in the array.
Refer to our website for a list of supported printers.
OFF mode: product in standby.
Please see for a list of supported UPSs.
Warranty: 3-Year Limited Warranty

No additional files, specification sheets, guides or documentation found for product.


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Warranty: 3 years

Full manufacturers warranty details are available at the manufacturers (LaCie) web site.

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