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General

Manufacturer LACIE Western Digital
Model 301525U WDA4NC40000N
Lowest Price $1,058.99 Compare LACIE 301525U prices $359.99 Compare Western Digital WDA4NC40000N prices
Warranty 1 year limited 3 years limited

Ports

RJ45 Ports 2 x 10/100/1000M 1 x 10/100/1000M
USB Ports 2 x USB2.0 3 x USB2.0
eSATA Ports Yes No
Other Ports iSCSI (utilizes Gigabit Ethernet) 1 VGA (recovery only)

Storage

Drive Bays 2 2
Hard Disk Interface 2 x SATA 2 x SATA
Hard Disk Size 10TB 4TB
Rotational Speed 7200RPM 7200RPM

Features

Fast access to your NAS—Performance 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 client
Dynamic DNS remote access
Design by Neil Poulton

Backup Solutions:
- PC to NAS: encrypted, compressed, scheduled, remote (FTP)
- Data restore and data disaster recovery available
- NAS to DAS

Special Features:
- iSCSI target
- 2 x LAN:load balancing and failover
- Hard disk quota management
- Time Machine compatible
- Print server
- Torrent client for standalone downloads

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

Software:
- LaCie Network Assistant for Windows, Mac, and Linux
- Genie Backup Manager Pro software for Windows
- Intego Backup Manager Pro software for Mac
Small-footprint, 4-bay system
Gigabit Ethernet
Easy setup and discovery
E-mail alert system
Active Directory support
Push a button to transfer data from a USB drive
Automatic network backup software (for up to 3
Remote access with MioNet
Download manager
iTunes server
Windows Vista ready
FTP server

Form Factor

Dimensions 8.6" x 7.7" x 6.8" 6.5" x 6.3" x 3.9"
Weight 16.8 lbs. lbs 5.51 lbs. lbs
Form Factor 5-Bay 4-Bay

Networking

Data Link Protocol Ethernet
Network Interface Controller
DLNA Certified Yes Yes

Hardware

Standards IEEE 802.3, IEEE 802.3u, IEEE 802.3ab IEEE802.3ab / IEEE802.3 / IEEE802.3u Standard
Supported Protocols File Server: SMB, AFP, FTP, HTTP, HTTPS
Others: Apple Bonjour, BitTorrent, NTP, 802.3ad, iSCSI, DHCP, Apipa
CIFS/SMB for Windows
AFP 3.1 for Mac OS 9/X
NFS v2/v3 for Linux and UNIX
HTTP/S for Web browsers
FTP/S
IPv6
Rsync and secure rsync
WebDAV
iSCSI target support for Windows, Mac and UNIX/Linux initiators
Processor Marvell 88F6192 800MHz 2.8 GHz Intel Pentium Dual Core Processor
Memory 128MB 1GB DDR2 DIMM
RAID RAID 0, RAID 1/10/5/5+Spare/6 (hot-swappable) RAID 0, 1, 5
LEDs Status, LAN, USB, eSATA, HDD Power/ status LEDs OLED display
Power MAX operation with ODD Writing : 30 w
idle (HDD low spin) :20 w
standby (HDD sleep) : under 4
100-240 VAC 50/60Hz
Temperature 5°C - 35 °C 5°C - 35 °C
Humidity 5-95% R.H 20-80% Humidity (non-condensing)

Software

Operating System Windows, Mac OS 10, Linux NETGEAR RAIDiator Operating System
Management File Sharing Capability
- Max User Accounts: 2,048
- Max Groups: 256
- Max Shared Folder: 256
- Max Concurrent Connections(SAMBA, FTP, AFP): 128

Windows Access Control List (ACL)

Windows ADS Domain Integration
- Domain Users login via Samba/AFP/FTP/File Station

Backup Solutions
- Network Backup
- Local Backup
- Desktop Backup (using Synology Data Replicator 3 or Apple Time Machine backup application)
- Time Backup - Max task number: 2
- USBCopy
- 3rd-Party Backup Support

Security
- FTP over SSL/TLS
- IP Auto-Block
- Firewall
- Encrypted Network Backup over Rsync
- HTTPS Connection

Management
- DSM Upgrade
- Email Notification
- SMS Notification
- Customized User Quota
- DDNS Support
- IPv6 Support
- PPPoE
- Resource Monitor
- UPS Management
- Scheduled Power On/Off
- Custom Management UI HTTP/HTTPS Ports

HDD Management
- HDD Hibernation
- S.M.A.R.T.
- Dynamic Bad Sector Mapping

Utilities
- Synology Assistant
- Synology Download Redirector
- Synology Data Replicator
HTTP/HTTPS

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