SANS DIGITAL EliteNAS EN104L+BXR Built-in RAID 0, 1, 1+0, 5 and 6 RAID with Hot Spare 4 3.5 Drive Bays USB x 2 1U 4 Bay Intel Xeon NAS + iSCSI w/ Redundant Power Rackmount Server (Black) Drive: SATA 3Gb/s Ethernet Interface: On-board 2 x Intel 82573 Gigabit PCI-Express Ethernet Supports Teaming over 2 ports, 802.11ad, ALB Power Supply: 300W Redundant Power Supply; Auto switch for 100V~ 240V; 50 ~ 60Hz Dimensions: 1.68 x 16.73 x 21.0 Parts: 1 year limited Labor: 1 year limited