- 48-port 1 and 10 Gigabit Ethernet SFP+ with 4-port 40 Gigabit Ethernet QSFP+ line card - 12-MB buffer - Designed for 10 and 40 Gigabit Ethernet access and aggregation switches - Line rate for packets greater than 200 bytes - NX-OS mode only - Supported in 4-, 8-, and 16-slot chassis - Requires 4 fabric modules for maximum bandwidth - Compatible with N9K-C9504-FM, N9K-C9508-FM, and N9K-C9516-FM