Ports Switch Ports : 32 QSFP28 fixed ports : 100 GbE/40 GbE or 4 x 25 GbE/4 x 10 GbE/ 2 x 50 GbE per port Total Switch Capacity : 32 x 100 GbE Management Ports (on port side) : 1 x RJ-45 serial console port to BMC 1 x RJ-45 100/1000BASE-T management port 1 x USB Type A storage port Facebook-specific debug port Management Ports (on power side) : 1 x RJ-45 100/1000BASE-T management port Facebook-specific ports Key Components Switch Silicon: Broadcom BCM56960 Tomahawk 3.2 Tbps CPU Module: COM-E CPU module based on Intel Atom Processor E3800 family 8GB SO-DIMM DDR3 1600MHz ECC 2 x SATA 2.0 Performance Switching Capacity : 3.2 Tbps full duplex Forwarding Rate : 4.7 Bpps Jumbo frames support up to 9216 Bytes Packet Buffer Size : 16 MB integrated packet buffer Subject to NOS: MAC Addresses: 8K min./136K max. VLAN IDs : 4K IPv4 : 8K min./72K max. host entries 16K LPM entries with TCAM-only mode IPv6 : 4K//36K max. host entries IPv6/648K TCAM-only mode LEDs 100G QSFP28 Ports: 2 LEDs per port for speed, activity System LEDs : Power, Heartbeat Fan LEDs : on each fan module indicating status Supported Optics and Cables 40GBASE-CR4 DAC 0.5 m to 3 m passive and active 40GBASE-CR4 to 4 x SFP+ 10GBASE-CR DAC 0.5 to 3 m 40GBASE-SR4 : 100 m over OM3 MMF, 150 m OM4 MMF 40GBASE-SR4 to 4 x 10GBASE-SR : 100 m OM3, 150 m OM4 40GBASE-LR4: 10 km over SMF 100GBASE-CR4 DAC 0.5 m to 3 m passive and active 100GBASE-CR4 to 4 x SFP28 25G DAC 0.5 to 3 m 100GBASE-SR4: 100 m over OM3 MMF, 150 m OM4 MMF 100GBASE-LR4: 10 km over SMF Cat 5/6 cables for console and management ports Physical Fans: 4+1 redundant, hot-swappable Front (port) to back (power) airflow direction Environmental Operating Temperature : 0oC to 45oC (32oF to 113oF) Storage Temperature: -40oC to 70oC (-40oF to 158oF) Operating Humidity: 10% to 90% non-condensing Storage Humidity: 10% to 90% non-condensing Power PSUs: 2 redundant, load-sharing, hot-swappable AC or -54 VDC Input Voltage: 120 to 240 VAC at 50-60 Hz. 40 to 72 VDC. PSU Efficiency: Up to 93% for AC PSUs Power Input Option: 12 VDC Typical Power Consumption: 436 W Regulatory EMI CE Mark EN55022 Class A EN55024 EN61000-3-2 EN61000-3-3 FCC Part 15 Class A Safety CB UL/CUL Environmental Temperature: IEC 68-2-14 Vibration: IEC 68-2-36, IEC 68-2-6 Shock: 68-2-29 Drop: ISTA 2A RoHS-6 Compliant Software Switch is loaded with OpenBMC Switch is loaded with Diagnostics Compatible with FBOSS Agent open-source software from OCP Compatible with the following NOS options: Open Network Linux, the open-source, OCP reference NOS FlexSwitch software from SnapRoute Item Dimension (L inchxW inchxH inch) NA