20 1G/10GBASE-X SFP+ ports, 4 10G/25GBASE-X SFP28 Ports, 2 40GBASE-X QSFP+ ports, support up to 32 10G ports, 2 modular power supply slots (at least one RG-PA150I-F power module needed, no power module in default), 2 modular fan slots (2 fan modules are equipped by default)