# PCI riser cage HP Enterprise 875056-001-RFB for server expansion

**URL:** https://aio.lv/en/product--hp-enterprise-875056-001-rfb--3496861
**Data updated:** 2026-01-12 19:30 (EET)
**Category:** Other Repair Parts
**Manufacturer:** HP Enterprise
**Manufacturer code:** 875056-001-RFB
**EAN:** 5706998860941
**Warranty:** 2 Years
**Availability:** Out of stock

## Summary description

PCI riser cage HP Enterprise 875056-001-RFB is a server expansion component designed to house PCIe riser cards and enable additional add-in cards in compatible HP Enterprise servers. Supplied as a replacement or upgrade part, it facilitates installation of expansion cards to increase I/O capability and customize server configurations for storage, networking, or accelerator modules.

## Long description

HP Enterprise PCI riser cage 875056-001-RFB is a server expansion component designed to hold PCIe riser cards and enable installation of additional add-in cards in compatible HP Enterprise servers. Supplied as a replacement or upgrade part by HP Enterprise, this riser cage supports increasing system I/O capacity and tailoring server configurations for storage controllers, network cards, or accelerator modules. The part number 875056-001-RFB and EAN 5706998860941 identify the specific assembly for compatibility checks and inventory purposes.
Advantages
The PCI riser cage provides a stable mechanical and electrical housing for riser cards, ensuring correct alignment and connection with the server backplane. As an OEM HP Enterprise part, it maintains original form, fit, and function for systems designed around HP server architectures. Using the correct riser cage helps reduce installation errors and supports hot-swap or field-replaceable maintenance workflows where applicable.
Suitable for
Upgrading HP Enterprise servers to add PCIe expansion cards
Replacing a damaged or missing riser cage in compatible HP server models
Configuring servers for additional storage controllers, NICs, or accelerators
Data center maintenance and server refurbishment projects
Key specifications
Brand: HP Enterprise
Manufacturer part number (MPN): 875056-001-RFB
EAN: 5706998860941
Type: PCI riser cage for PCIe riser cards
Application: Server expansion / add-in card support
How to use
Before installation, power down the server and follow HP Enterprise service manual instructions for the specific server model to access the riser bay. Align the riser cage with mounting points and the backplane connectors, secure it using the original screws or provided fasteners, and insert the PCIe riser card(s) into the cage according to the server’s slot configuration. Reconnect cables and verify that the system BIOS/UEFI recognizes the installed expansion cards after power-up.
Usage recommendations
Verify compatibility with the target HP Enterprise server model using the MPN 875056-001-RFB and consult HP service documentation for torque specifications and ESD precautions. Use manufacturer-recommended screws and replacement parts to maintain warranty and serviceability.

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### What is the warranty period?

All HP Enterprise products come with an official 2 Years warranty. It covers all manufacturing defects and malfunctions that may occur during use. The warranty is valid at all authorized HP Enterprise service centers and through AiO.lv

### Can the product be returned after purchase?

Yes, you can return the product within 14 days of purchase if you bought it as a consumer (not a legal entity). Returns are possible without giving any reason — the main condition is that the product retains its original appearance and full set of accessories. We will make the process as simple and convenient as possible: just contact our customer support team, and we will help you arrange the return.

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