QNAP TS-421U

Overview
"TS-420U", "TS-421U" and "QV08 V2.1" are silkscreened on the main board.
 * "FKN-20106-A00267-YS-RS", "TS-419UII BP" and "QU89 V2.0" are silkscreened on the SATA board.

Hardware specification

 * CPU: Marvell 88F6282 @2GHz (Kirkwood ARM V5)
 * Memory: 1GB (SDRAM) DDR3
 * Storage: 16MB Flash, 4x SATA II, 2x eSATA
 * Network: 2x Gigabit Ethernet port
 * USB: 2x USB 3.0 Type A, 2x USB 2.0 Type A
 * Power: 120-240V AC via C13

Links of Interest
Download Center