Portwell Global

Riser Card

What Is a Riser Card?

Riser Card is a printed circuit board (PCB) module that extends or reorients a motherboard’s PCI Express (PCIe) slot at a right angle or parallel offset, enabling expansion cards (e.g., network adapters, RAID controllers, GPUs) to be installed in tight server racks or small-form-factor cases while preserving signal integrity and thermal performance

Key Features

  • Space Optimization: Redirects PCIe slot orientation and height to save vertical space in 1U/2U rackmount servers or compact chassis, simplifying cable routing
  • Multi-Slot Expansion: Supports PCIe x1, x4, x8, and x16 lane configurations, allowing multiple add-in cards to be installed simultaneously
  • High Reliability: Built with full-copper conductors and EMI shielding to minimize electromagnetic interference and ensure long-term stability
  • Plug-and-Play: No additional drivers or firmware required—simply insert and operate

Typical Use Cases

  1. High-Density Servers: Efficiently expand network cards or RAID controllers in vertically constrained rackmount servers.
  2. Industrial Control Systems: Extend extra I/O or accelerator cards in embedded and industrial PCs for enhanced flexibility and maintainability.
  3. Small-Form-Factor & Gaming PCs: Utilize flexible riser cables to mount GPUs vertically or behind the motherboard tray, improving both aesthetics and airflow.

Typical Use Cases

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