Overview The HPE P48903-B21 is a riser kit designed for the HPE ProLiant DL360 Gen11 server, providing a single PCIe x16 expansion slot in a low-profile format. It enables users to add expansion cards such as network adapters, storage controllers, or graphics cards without increasing the server’s overall size. Measuring 12.9 by 10.8 inches and weighing just under 1.3 pounds, this riser kit fits neatly inside the DL360 Gen11 chassis while maintaining optimal airflow and system stability. Key features Single PCIe x16 slot allows for versatile expansion options to enhance server capabilities Low-profile design preserves the compact footprint of the DL360 Gen11 server Lightweight construction minimizes added weight inside the chassis Easy installation process supports quick hardware customization and upgrades Maintains proper airflow to support cooling efficiency and system reliability Ideal for environments with limited space but growing performance demands Key specs Compatibility: HPE ProLiant DL360 Gen11 server Expansion slot: 1 x PCIe x16 (low-profile) Dimensions: 12.9 x 10.8 x 2.6 inches Weight: 20.81 ounces (approximately 1.3 pounds) Installation and setup The riser kit is designed for straightforward installation within the DL360 Gen11 chassis, allowing IT professionals to quickly add or upgrade expansion cards without complex modifications. Its form factor ensures compatibility with existing server components and does not obstruct airflow, which helps maintain system performance and cooling. Ideal uses and environments This riser kit suits data centers, enterprise IT departments, and remote office setups where space is at a premium but server functionality needs to grow. It offers a cost-effective way to extend the capabilities of an existing DL360 Gen11 server without requiring a full system replacement, making it a practical choice for scaling infrastructure efficiently.