FreeNAS/Features

Base System

 * Base OS: Embedded FreeBSD 7.2
 * Need only 64MB on media (flash compliant) and 256Mb of RAM
 * Multiple arch: i386 or amd64
 * Full Web Management Interface

Network Protocols supported

 * SMB/CIFS (samba)
 * AFP (AppleShare file server)
 * NFS
 * FTP
 * TFTP
 * RSYNC (client/server)
 * Unison
 * SCP (SSH)
 * iSCSI (initiator and target)

Extra services

 * Bittorent client (Transmission)
 * UPnP server
 * iTunes/DAAP server (Firefly)
 * Webserver (lighttpd)
 * Network bandwidth measure (Iperf)

Hard drive / volume management

 * ZFS
 * Software RAID 0,1,5 and mix (1+0,1+1, etc…)
 * Disk encryption (using cryptographic accelerator card if present)
 * Filesystem: UFS, Ext2/3, FAT, NTFS
 * Partition: MBR and GPT
 * iSCSI initiator

Network

 * 802.1q vlan tagging
 * Wireless
 * link aggregation
 * Wake On Lan

Monitoring

 * S.M.A.R.T (smartmontools)
 * Email alert
 * SNMP
 * Syslog
 * UPS (NUT)