J9980A#ABB-RFB Hewlett Packard Enterprise RJ-45 x 24, SFP x 2, ARM Cortex-A9 400 MHz, 128 MB SDRAM, 16 MB flash, buffer 1.5 MB, 52 Gbps, 8000 entries RJ-45 x 24, SFP x 2, ARM Cortex-A9 400 MHz, 128 MB SDRAM, 16 MB flash, buffer 1.5 MB, 52 Gbps, 8000 entriesHP 1820 Switch Series devices are basic, smart-managed, fixed-configuration Gigabit Ethernet Layer 2 switches designed for small businesses looking for key features in an easy-to-administer solution.