24 x 1000M SFP ports (ports 1-16 are 100M/1000M SFP ports), 8 x 10/100/1000BASE-T ports (combo), 8 x 1G/10G SFP+ ports, reserved expansion slots, 2 built-in fixed fans, 2 power module slots (at least 1 RG-PA150IB-F power modules needed)