HP 3.5-inch LFF hard drive carrier tray for server storage bays. OEM-compatible drive caddy required for installing bare 2.5″ or 3.5″ drives into HP server hot-plug bays. Ensures secure mechanical fit, proper airflow, and reliable backplane electrical connection. Without a drive tray, bare drives cannot be properly installed into enterprise server bays. Verify your server model before ordering to ensure compatibility. Sold as single tray. Contact us to confirm compatibility with your HP server generation.