Silicom FPGA SmartNIC N501x Series

General Details

Quad port QSFP28 100 Gigabit Ethernet PCIe Gen4 x16 Intel® Stratix® 10DX FPGA Based

The FB4CG@S10D21 FPGA SmartNIC N501x Series is a high-performance programmable PCIe Server adapter-based Intel/PSG Stratix DX210 FPGA. This describes the FB4CG@S10D21 FPGA SmartNIC featuring the Intel® Stratix ® 10DX FPGA. The FB4CG@S10D21 FPGA SmartNIC is targeted to for market-specific acceleration in application such as:

  • Network Function Virtualization (NFV)
  • Multi-Access Edge Computing (MEX)
  • Cyber security
  • High-Performance Computing
  • Finance
  • Mobile network


The FB4CG@S10D21 FPGA SmartNIC N501x Series covers the following:

  • Silicom FPGA SmartNIC N5010 base unit 100 Gigabit Ethernet, PCIe Gen4
  • Silicom FPGA SmartNIC N5011 base unit plus two Intel E810-CAM1 NIC devices
  • Silicom FPGA SmartNIC N5012 base unit plus dual host capability with additional PCIe Gen4 x16 port
Key features

FB4CG@S10D21 FPGA SmartNIC N501x Series

  • Intel® Stratix ® S10DX FPGA
  • 4 x QSFP28 ports
  • DDR4/ 32GByte+ECC ( x18 devices )
  • HBM: 8GByte ( 2×4 GByte, internal)
  • On-board power and temperature sensors
  • FPGA controlled link and status LEDs

Physical bus connector: x16, 4.0

NIC provides a hardware compatible interface with Linux drivers
Support Data Plan Development Toolkit (DPDK)

IEEE standard: IEEE 802.3 100GbE
Physical interface: (4) QSFP28
Multimode SR4 (850nm), Single Mode LR4 (1310nm),or Direct Attached Copper (Twinax)
Support Sync-E/ 1588 standard (optional feature depending on FPGA image)

Upload of FPGA configuration to flash via PCIe – with supported image and tool

DDR4/ 32GByte+ECC ( x18 devices )
HBM / 8GBytes

Voltage level monitoring
Thermal shut-down protection
Over current protection on 12V input


General Technical Specifications: 
Interface Standard: PCI-Express Base Specification Revision 4.0 (16 GTs)
PCIe Form Factor: Full height, Full length, Single Slot Active
Full height, ¾ length, Dual Slot Passive
PCI Express Card Type: x16G4, mechanical
Note: Can be plug only in PCIe slot of x16
PCI Express Voltage: +12V ± 8%
On Board Connector Voltage +12V ± 8%, On board auxiliary power connector to support power over 75W
FPGA: Intel S10DX Stratix 10 DX HBM2 1SD21BPT2F53E2VG
Network Controller: (2) Intel E810-CAM1
Network Ports: (4) x QSFP28 supports:
100G-SR4, 100G-LR4, 100G-Cu (Direct Attached)
Memory: 32GB on board – (2) banks of 16GByte + ECC. Total 32 GByte with ECC, ( ping pong is not needed)
HBM: 8GByte ( 2×4 GByte, internal)
Holder: Metal Bracket
Backplate: Yes
Target Maximum Power 225W:
75W max from the 12V PCIe Slot150W max from the PCIe 12Vaux power
FAN: MTTF @50C ( Active) MTTF: 246,963 ( HRS)
L10: 35,280 ( HRs)
Thermal Design: – Active heat sink, targeted to single socket
– Passive heat sink targeted to dual slot
– Built-in thermal protection
– Passive HS for single slot power limited
Sensors: – Temperature, FPGA and environment.
– Power
– Fan speed ( Active heat sink sku)
Storage: -40°C–65°C (-40°F–149°F)
Regulation: FCC/ CE /, FCC Class A, UL, ROHS
Ports LEDs (4) Link/ ACT per QSFP28
LEDs (4) Green on link –
(1) status: Red – Power fail, Green – Status OK, Yellow FPGA – Config not done
Dual slot Operating Temperature: 0°C – 45°C (32°F – 113°F), Dual slot Passive heat sink
Dual Maximum Power consumption: 200W
Single Operating Temperature: 0°C – 45°C (32°F – 113°F), Single slot Passive heat sink
Single Maximum Power consumption: 150W
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