Lenovo ThinkSystem Broadcom 5719 1GbE RJ45 4-Port OCP 3.0 Ethernet Adapter

The Lenovo ThinkSystem Broadcom 5719 1GbE RJ45 4-Port OCP 3.0 Ethernet Adapter is an enterprise-class quad-port Gigabit Ethernet adapter designed for Lenovo ThinkSystem servers and data center environments. Built on the Broadcom BCM5719 controller, this adapter conforms to the OCP 3.0 Small Form Factor (SFF) specification and provides reliable 1GbE connectivity with advanced virtualization and management support.

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🔹 Confirmed Part Numbers

The following part numbers refer to this adapter or its core hardware platform:

• Lenovo Marketing P/N: 4XC7A08235

• Lenovo FRU: 01PE761

• Alternative Lenovo FRU: CX150053

• Feature Code: B0WE

• Broadcom Board Model: BCM95719N1905C / BCM95719N1905LC

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🔹 Technical Specifications

• Form Factor: OCP 3.0 SFF (Small Form Factor)

• Host Interface: PCIe 2.1 x4 (5 GT/s)

• Ports: 4 × 10/100/1000Base-T RJ45

• Data Rate: 1 Gbps per port (full-duplex)

• Controller: Broadcom BCM5719

• Virtualization Support:

  • VMware NetQueue

  • Microsoft VMQ

  • 17 Receive Queues / 16 Transmit Queues

• Energy Efficiency: IEEE 802.3az (Energy Efficient Ethernet)

• Management: NC-SI (Network Controller Sideband Interface) support

• Boot Support: PXE boot & iSCSI boot

• Cabling: Cat5e or better (up to 100 meters)

• Dimensions: 76 mm (W) × 115 mm (D)

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🔹 Environmental & Operational Specifications

• Operating Temperature: 10°C to 35°C (50°F to 95°F)

• Relative Humidity: 20% to 80% (non-condensing)

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🔹 Supported Lenovo ThinkSystem Servers

Compatible with Lenovo ThinkSystem servers featuring an OCP 3.0 SFF slot.

Rack Servers

• Lenovo ThinkSystem SR630 V2 / V3 / V4

• Lenovo ThinkSystem SR650 V2 / V3

• Lenovo ThinkSystem SR635 / V3

• Lenovo ThinkSystem SR645 / V3

• Lenovo ThinkSystem SR850 V2 / V3 / V4

• Lenovo ThinkSystem SR860 V2 / V3 / V4

• Lenovo ThinkSystem SR950 V3

• Lenovo ThinkSystem SR250 V2 / V3

Tower & Edge Servers

• Lenovo ThinkSystem ST650 V2

• Lenovo ThinkSystem ST250 V2 / V3

• Lenovo ThinkSystem ST50 V2 / V3

• Lenovo ThinkSystem ST45 V3

• Lenovo ThinkSystem SE455 V3

Specialized Systems

• Lenovo ThinkSystem SD630 V2

• Lenovo ThinkSystem SD650 V2

• Lenovo ThinkSystem VX5530

• Lenovo ThinkSystem VX7530

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🔹 Operating System Compatibility

Validated via Lenovo ServerProven matrix for:

• Microsoft Windows Server: 2016, 2019, 2022, 2025

• Linux:

  • Red Hat Enterprise Linux (RHEL) 7.x / 8.x / 9.x

  • SUSE Linux Enterprise Server (SLES) 12 / 15

  • Ubuntu

• Hypervisors:

  • VMware vSphere (ESXi) 6.7 / 7.0 / 8.0

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🔹 Integration Requirement

• Requires an available OCP 3.0 SFF slot.

• Some server configurations may require an OCP enablement kit if the slot was not factory-populated.

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🔹 Other Related Part Numbers

• 4XC7A08235

• 01PE761

• CX150053

• BCM95719N1905C

These part numbers may represent Lenovo marketing, FRU, or Broadcom manufacturing identifiers. All correspond to the same Broadcom BCM5719-based 4-port 1GbE OCP 3.0 Ethernet adapter when specifications match.