TurboNAS TS-421 4-Bay SMB NAS System
4 Drives Max. - Desktop Form Factor - 2.5/3.5" Drives - SATA 3.0Gbps Interface - Hot-Swappable Bays - Marvell 2.0GHz Processor - 1GB System Memory - Dual Gigabit LAN Interface - Network Attached Storage - 2x eSATA 3.0Gbps Ports - 2x USB 2.0 Ports - 2x USB 3.0 Ports - QNAP Turbo NAS System O/S - Windows / OS X / Linux Compatible - RAID 0/1/5/6/10 Supported - 120W Power Supply - 2 Year Depot Carry-In Mfg. Warranty