4-bay gigabit NAS box is a function-friendly and cost-effective storage solution. Bundle with a hardware Raid controller, support Raid 0/1/JBOD and Single. Transfer Speed support up to 50MB/s (READ) and 35MB/s (WRITE) Specifications : Model: SE-NAS-19G Product Name: 4-Bay gigabit NAS BOX Interface/Ports: USB3.0 B-type / LAN (10/100/1000) LED Display: Power/ O/S /Access Supported Server : SAMBA/FTP/ WebDAV/ DHCP/ UPnP AV Media server/ Bit torrent/ iTunes Supported RAID : Raid 0 / 1 / 3 / 5/ 10 JBOD Supported Windows O/S : Windows XP/ Vista/7, MAC OS X, Linux (SAMBA/FTP) Supported HDD : 3.5" SATA I/II Hard Disk Drive Supported HDD Capacity : Up to 3TB Per Hard Drive Product Dimension : 140(W)x 222(D) x184(H) mm (main body) Supported System File : exFAT ( FAT64 ) Material : Aluminum + Plastic Package Content : 1 x Quad HDD NAS (without HDD) Ethernet CableExternal Power AdapterPower CAbleDriver CD ( include user manual and software )