About this item RB1100AHx4 is a 13x Gigabit Ethernet ports Router, powered by Annapurna Alpine AL21400 CPU with four Cortex A15 cores, clocked at 1.4GHz each, for a maximum throughput of up to 7.5Gbit The device supports IPsec hardware acceleration (up to 2.2Gbps with AES128) Unit comes with 1U rackmount case, RS232 serial port and dual redundant power supplies (with -48v DC telecom power and 802.3at/af support) CPU: AL21400; CPU core count: 4; CPU nominal frequency: 1.4 GHz; Dimensions: 444 x 148 x 47 mm; License level: 6; Operating System: RouterOS Size of RAM: 1 GB; Storage size: 128 MB; PoE in: 802.3af/at; PoE in input Voltage: 20-57 V; Number of AC inputs: 2; Memory card type: microSD