QNAP TS-433EU 4 x Total Bays SAN/NAS Storage System

4 GB Flash Memory Capacity - ARM Cortex A55 Quad-core (4 Core) 2 GHz - 4 GB RAM - 1U Rack-mountable - 0 x HDD Installed - Serial ATA/600 - Serial ATA/600 Controller - RAID Supported - 0, 1, 5, 6, 10, 50, 60, JBOD RAID Levels - 2 x RJ-45 - 2.5 Gigabit Ethernet, Gigabit Ethernet - QTS 5.2.5 - 2 Year Warranty