QNAP TS-431XeU - NAS server

4 bays – 16 TB – rack-mountable – SATA 6Gb/s – HDD 4 TB x 4 – RAID 0, 1, 5, 6, 10, JBOD, 5 hot spare – RAM 8 GB – Gigabit Ethernet / 10 Gigabit Ethernet – iSCSI support – 1U