Product images are provided for reference and may not represent the exact model, configuration, or included components.

No Bots, Just Experts

Questions about this product? Free pre-sales support from a senior specialist — product questions, compatibility checks, BOM quotes, price confirmation — typically answered within one business day. Need camera placement or system design work? Engineering time is $175 per hour (qty 1 = 1 hour). Hardware buyers get up to one hour ($175) credited back on their order.

Description

HPE P57891-B21 Riser Kit

Overview

The HPE P57891-B21 is a 2x16 SEC UPG Riser Kit designed for specific HPE ProLiant DL385 Gen11 server configurations. This accessory provides essential connectivity and expansion capabilities, enabling the integration of additional components or upgrades within the server chassis. Its primary function is to facilitate the secure and efficient installation of secondary expansion cards, ensuring proper electrical and physical alignment within the server's riser architecture. This kit is critical for deployments requiring enhanced I/O or specialized processing power beyond the base configuration.

Compatibility

This riser kit is specifically engineered for the HPE ProLiant DL385 Gen11 server platform. It is designed to integrate with the server's internal architecture to support specific upgrade paths, typically involving secondary PCIe expansion slots.

Installation Notes

The HPE P57891-B21 has dimensions of 11.70 x 14.60 x 2.80 inches (L x W x H) and a weight of 1.10 lb. Installation requires opening the server chassis and seating the riser board into the designated slot. Ensure the server is powered down and properly grounded before beginning installation. The kit is manufactured in the US.

What's in the Box

  • 1x HPE DL385 GEN11 2x16 SEC UPG Riser KIT - P57891-B21
Specifications
Weight: 1.10 lb
Dimensions: 11.70 x 14.60 x 2.80 in (L x W x H)
Country Origin: US
Country Of Origin: US
Unspsc Code: 43211600
Q&A
Reviews
Have Questions?

HPE DL385 GEN11 2X16 SEC UPG Riser KIT - P57891-B21

$740.00
$634.99

RELATED PRODUCTS

System Design, Deployment & Technical Support

Support services and planning resources for commercial surveillance, access control, and infrastructure deployments.

Fixed scope • Fixed price

System Design Assistance

  • Get help validating product compatibility
  • Coverage requirements
  • Storage planning and deployment architecture before you buy.
Request Design Help

Deployment & Configuration Support

  • Access fixed-scope support for rollout planning
  • User setup guidance
  • Migration and system standardization across single-site or multi-site deployments
View Support Services

Guides, Tools & Calculators

  • PoE requirements
  • Storage retention
  • Camera selection and deployment methodology
Open Technical Resources