CISCO - Nexus X40 2-port QSFP+ SmartNIC (8-channel), KU035 FPGA

The Cisco Nexus X40 SmartNIC (K35-Q) is a 10/40Gbps interface card specifically optimized for low-latency environments that can connect to eight SFP+ ports via QSFP+ breakout cables. Features programmable FPGA with built-in timestamping and PTP support for high-performance networking applications.

PCI Express 3.0 x8 interface 2x QSFP+ ports Half-height, low-profile form factor 5.9 in x 2.7 in dimensions Supports 100Mb, 1GbE, 10GbE, 40GbE protocols Compatible with 1000Base-SX, 10GBase-SR, 10GBase-LR fiber optics Built-in timestamping with 6.2ns resolution Hardware-assisted PTP (Precision Time Protocol) Programmable FPGA (KU035) Standard Linux driver support Transparent TCP/UDP acceleration library included