Model Name NSA320 NSA221 NSA-220 Plus NSA210

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2-Bay Power Digital Product Description 2-Bay Digital Media Server 2-Bay Digital Media Server 1-Bay Digital Media Server Media Server CPU and RAM

CPU Marvell 6281 1.2 GHz 370MHz Oxford 810DSE Marvell 5182 500MHz 370MHz Oxford 810DSE

RAM 512MB 256MB 128MB 128MB GUI Enhancement Intuitive user interface (AJAX-based Web YES YES - YES interface) zPilot™ file auto-classification YES YES - YES Integrated with media player YES YES - YES Physical Specification Internal SATA II 2 2 2 1 USB port 3 3 2 2 eSATA port - - - 1 Max. capacity (3.5” HDD) 4TB 4TB 4TB 2TB LAN port Gigabit x 1 Gigabit x 1 Gigabit x 1 Gigabit x 1 Smart fan YES YES YES YES Power/System/LAN/HDD/U LED indications Power/System/LAN/HDD1/ HDD2/USB/Copy SB/Copy Kensington® lock security hole YES YES - YES Reset button YES YES YES YES Copy/Sync button YES YES YES YES Backup PC vs NAS YES YES YES YES (Backup Software) NAS vs. NAS YES YES YES YES (With Encrypted Remote sync) ( v3.22 or Higher Version)

Support NTFS formatted external hard disk YES - - - RAID RAID 0,1, JBOD support YES YES YES - Networking Protocols TCP/ IP YES YES YES YES PPPoE YES YES YES YES DHCP client YES YES YES YES Static/Dynamic IP address YES YES YES YES FTP/HTTP YES YES YES YES SMB/CIFS YES YES YES YES Network Time Protocol (NTP) YES YES YES YES YES NFS for Linux and UNIX YES YES YES ( v3.22 or Higher Version)

Security DyDNS support YES YES YES YES IP Filter control YES YES YES YES HTTPS/FTPES YES YES YES YES Windows 7 Certification Windows 7 Certification YES - - - Network Applications Gigabit JumboFrame support YES YES YES YES DLNA 1.5 media server YES YES YES YES UPnP AV server YES YES YES YES iTunes server YES YES YES YES YES SqueezeCenter support YES YES YES ( v3.22 or Higher Version) Samba/ FTP server YES YES YES YES YES Photo Album/ Blog server YES YES YES ( v3.22 or Higher Version) YES PHP/ MySQL/ PHP-My Admin support YES YES YES ( v3.22 or Higher Version) RSS Server/Client support YES YES YES YES (Broadcatching/ Podcast)

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Auto-Upload/Download YouTube/Flickr/FTP server auto-upload YES YES YES YES FTP/HTTP/BitTorrent/eMule auto-download YES YES YES YES Scheduled download YES YES YES YES Upload/ Download Performance* Read/ Write (MB/s) (IO ZONE) 43.96/ 37.63 22.18/ 12.1 22.XI 22.XI Read/ Write (MB/s) (FTP test result) 92.08/ 40.74 25.04/ 16.26 25/14 25/15 System Management User quota setting YES YES YES YES User/Group management YES YES YES YES Firmware online-upgrade YES YES YES - Download service bandwidth control YES YES YES YES BitTorrent DHT support YES YES YES YES Network recycle bin YES YES YES YES High temperature email alert with auto-shutdown YES YES YES YES option

E-mail notification when file download completed YES YES YES YES

Disk Management Create/Remove data volume YES YES YES YES YES Hard disk failure detection (S.M.A.R.T) with e-mail YES YES YES notification ( v3.22 or Higher Version)

YES E-mail alert for HDD status YES YES YES ( v3.22 or Higher Version)

Power Management Schedule power on/off YES YES YES YES

System resume when power on after power failure YES YES YES YES

Internal HDD hibernation YES YES YES YES External HDD hibernation (eSATA) - - - YES Wake-on-LAN YES - - -

IO ZONE Test Environment: Test Setting: 1000 Mbps, RAID 0 Average Performance Test tool: IOZONE Reference: http://www.smallnetbuilder.com/index.php?option=com_nas&Itemid=167 FTP Test Environment ( For NSA320 only): Test Condition: Client PC: Intel Core 2 Duo E8400 3.00GHz CPU/ 1.98GB RAM/ Realtek PCIe GBE Family Networking Controller/ Windows Vista 32-Bit Ultimate Testing Method: Connect the NAS and PC to switch, upload/ download 4GB file, FTP program: FileZilla 3.3.2

13.12.2010