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FBC2CGG5 Capture Card

FBC2CGG5 – Dual Port Capture Card – Dual QSFP28 port card supporting multiple Ethernet speeds, PCIe Gen3 16 lanes

FBC2CGG5 Dual Port Capture Card – Dual QSFP28 port card supporting multiple Ethernet speeds, PCIe Gen3 16 lanes

The Silicom FBC2CGG5 Dual Port Capture Card offers network connectivity and capture to host memory with zero packet loss and with hardware packet processing. The 2xQSFP28 slots allow link speed support for 2x100GE/40GE/25GE, 8x10GE and 8x25GE. The fbC2CGg5 card is based on cutting edge Xilinx FPGA technology in the Kintex UltraScale+ series, providing packet filtering, advanced processing, traffic management, load balancing and host offloading mechanisms.

This high performance hardware platform connects to the network using QSFP28/QSFP+/SFP28 modules and performs packet processing, while delivering a sustained throughput to host memory of up to 107 Gbps, using the standard PCIe connector with full support for standard gen3 x16. The fbC2CGg5 uses a single-slot x16 lane PCIe solution. The card is prepared for inter-card connection and for second-slot connectivity for double PCIe bandwith to the host system. NUMA specific memory allocation allows for effective traffic management and load balancing in NUMA environments.

Key Features

FBC2CGG5 – Dual Port Capture Card
  • 2 x 100GE/40GE/25GE, 8 x 10GE and 8 x 25GE
  • PCIe form-factor: Full height, half length (111.15 x 167.65 mm)
  • 16 GB 72-bit Error-correcting code (ECC) DDR4 RAM
  • 107 Gbps sustained capture to host
  • 16-lane PCIe Gen3
  • FEC for 25GE and 100GE
  • Precision timestamping
  • 3.2 nano second resolution
  • Microsecond latency
  • Hardware filtering and traffic distribution
  • Application acceleration and scalability


Network Interface

IEEE standard IEEE 802.3 10GE, 40GE, 25GE, 100GE
  • Support Forward Error Correction (FEC) on 100GE
  • Physical interface: 2 x QSFP28 slots
  • 10GE supported through break-out cable assemblies
  • 2 x 25 SFP28 through QSA28 adaptor
  • Supported QSFP28 modules (25GE/100GE):
  •  SR4, LR4, PSM4, CWDM4/CLR4, CR4 (DAC), ER4
  • Appropriate 4 x 25GE break-out modules
  • Supported QSFP+ modules (10GE/40GE):
  • SR4, LR4, LM4, PSM4/IR4, CDWM4, ER4, ZR4, BiDi, CR4
  • Appropriate 4 x 10GE break-out modules
  • Ethernet PHY directly embedded in FPGA

Host Interface

PCI bus
  • 16 lanes PCIe Gen3
  • PCIe compliant
Host interface
  • 64 logical channels that can be connected to DMA or egressed to physical output ports

On-Board Memory

On Board Memory
  • On board buffering for application robustness
  • 16 GB 72-bit Error-correcting code (ECC) DDR4 RAM


Capture rate
  • Capture rate (bursts): Line rate (200 Gbps)
  • Capture rate (sustained): 107 Gbps to host memory

General Technical Specifications

  • Less than 3.2 μs to host memory
  • Less than 3.2 μs from host memory to Tx
  • Non-blocking sending, allowing user applications to operate independently
Time Stamping and Sync
  • Resolution = 3.2 ns
  • Accuracy down to 20 ns
  • Daisy chain PPS between multiple cards supported
  • Via COAX or Card interconnect adapter
  • Strict Host based sync available in driver
  • PPS synchronization via SMA connector
  • Dual boot images with automatic fallback to fail-safe image
  • Full configuration and firmware upgrades via supplied tools or fbCAPTURE API
  • Full height, ½ length. 111.15 x 167.65 mm with bracket
  • Weight: 485 g
  • Operating temperature: 0 – 55°C, 30 – 130°F
  • Operating humidity: 20 – 80%
  • Hardware compliance: RoHS, CE
  • Active cooling, with fan sensor
  • Passive cooling (option)
Additional Board Support
  • PF_RING and nTop suite support
  • DPDK support
  • libPCAP support
  • On-board temperature sensors
  • On-board multi-color status, Link and Activity LED for ports
  • HW prepared for direct Card to Card interconnect and second PCIe slot connection

Resources and Downloads

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