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.

Need Help with Riser Card Compatibility?

Riser card compatibility depends on the motherboard, chassis height, slot orientation and PCIe lane configuration. Please provide your system specifications and expansion requirements so Portwell can help identify a suitable configuration.
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