Lenovo 4XH7A61079 Expansion Card - High-Speed Connectivity

Usage Area

The Lenovo 4XH7A61079 expansion riser card is designed for deployment in Lenovo ThinkSystem SR650 V2 and SR665 server platforms. It provides additional PCIe 4.0 expansion capacity, enabling the installation of compatible adapters, network interface cards, or storage controllers. This riser assembly is intended for use in configurations requiring multiple high-bandwidth expansion slots within a single server chassis. It supports system scaling in enterprise data center environments where PCIe Gen4 throughput is required.

Construction Features

• Factory-assembled riser card assembly for ThinkSystem SR650 V2/SR665 servers
• Provides three PCIe 4.0 expansion slots in a x16 + x8 + x8 lane configuration
• Green-colored PCB (printed circuit board) for visual identification of the riser type
• Mechanical design engineered for dedicated riser slot installation inside the server chassis
• Supports standard PCIe form-factor adapter cards for server expansion

Technical Parameters

• Type: Riser card
• Form Factor: PCIe Gen4 expansion riser
• Slot Configuration: x16 + x8 + x8
• Interface: PCIe 4.0
• Color: Green
• Compatibility: Lenovo ThinkSystem SR650 V2, Lenovo ThinkSystem SR665
• Manufacturer Part Number (MPN): 886191

Standards & Certification

The riser card complies with PCI Express Base Specification Revision 4.0, ensuring interoperability with certified PCIe adapters. It is manufactured as a Lenovo option part and meets the internal quality and compatibility standards required for ThinkSystem server platforms. The assembly is validated for use within the specified Lenovo server chassis, ensuring proper electrical and mechanical fitment.