NIAGARA 32265 | Dual Port Copper Gigabit Ethernet NIC with Bypass | PCI-e Server Adapter Card

Dual Port Copper Gigabit Ethernet NIC with Bypass
PCI-e Server Adapter Card

Interface Masters Technologies, Inc. | NIAGARA 32265 | Dual Port Copper Gigabit Ethernet NIC with Bypass | PCI-e Server Adapter Card


  • Niagara 32265 Dual Port Gigabit Ethernet Server Adapter is built on Intel’s 82576 Gigabit technology & Interface Masters’ sterling design and customer service.
  • Niagara 32265 is designed with a built-in programmable bypass circuit to provide maximum uptime for the network. The bypass circuit takes the Niagara 32265 ports offline in case of either power or software failure. The bypass circuit works in absence of power.
  • Niagara 32265 Dual Port Copper Gigabit Ethernet NIC is designed to integrate with PCI Express compatible servers and high-end appliances providing high speed networking and bypass/failover capabilities for any mission-critical application.


  • Intel 82576EB Dual MAC & PHY ethernet controller
  • Peak bandwidth 2.5 Gb/s in each direction per PCI Express lane
  • 4 Gigabit per second of traffic when fully utilized
  • PCI-E x4 (Gen 2.0) compatible
  • Two RJ45 Connectors
  • Passive Bypass which is essential during power loss or software failure
  • Link Fault Detection (LFD) support
  • Programmable “Fail-Closed" or "Fail-Open" while in the power-off state
  • Programmable independent mode to function as a dual port gigabit copper card
  • Integrated PHY for full and half-duplex 10/100/1000 Base-T Support
  • TCP/UDP/IP checksum offload and TCP segmentation
  • IEEE 802.1q, 802.3ab, 802.3u, 802.3x compliant
  • Layer 2, 3 and 4 Advanced packet filtering capabilities (IPv4, IPv6)
  • Efficient form factor – 5.2 inches in length and 2.64 inches in height
  • Low Power Consumption (3.7W maximum power)
  • Full RoHS compliance
  • FCC Class A and CE certification

Component Specifications

The Intel 82576 provides support for:

  • PPCI Express 2.0 (2.5GT/s)
  • Low Power 2.4W
  • Protocols: TCP, UDP & SCTP
  • Queues per port: (16) Tx & (16) Rx Queues
  • Enhanced Virtualization Support
    • VMDq2 & PCI SIG IOV
  • Intel® I/OAT Acceleration v3.0
    • VM Direct Assignment (VT-d)
  • Data Center Ethernet
    • Traffic Classes (802.1q): 2
    • Flow Interrupt Priority (802.3ar)
    • Priority Grouping (802.1P)
  • End-to-End Congestion Mgmt (802.1 PAR)
  • IEEE 1588 Support
    • Manageability interfaces
      • RMII, SMBus, PXE, iSCSI Boot
  • Layer 2 & 3 Security: IPSec & LinkSec


  • Length 5.2" (132.08mm)
  • Height 2.64" (67.056mm)


  • Operating Temperature: 0°C – 50°C (32°F - 122°F)
  • Storage Temperature: -20°C – 65°C (-4°F – 149°F)
  • Operating Humidity: 0%–90%, non-condensing

Ordering Part Number

Part Number Description
Niagara 32265 Dual Port Copper Gigabit NIC with Bypass


NIAGARA 32265 Datasheet

Intel 82576 Datasheet

Additional Specifications / Certifications

FCC Certification CE Certification RoHS Certification