The Lenovo ThinkSystem ST50 V3 3rd 3.5" HDD Cage Kit is a dedicated upgrade accessory designed specifically for the ThinkSystem ST50 V3 server chassis. This kit provides an additional third 3.5-inch hard drive bay (bay 3), enabling users to expand their server storage capacity efficiently. Included in the package is a 3.5" hard drive cage for secure drive mounting and a 380 mm internal power cable set to seamlessly connect the drive to the system’s power supply.

Engineered as an official Lenovo field upgrade (part number 4XF7A93516), the kit is thoroughly documented in Lenovo’s server upgrade resources, including user and service manuals for the ST50 V3. Installation follows Lenovo’s recommended procedures to ensure proper mechanical fit and cabling. This solution offers a simple, reliable way to enhance the ST50 V3 server’s data storage capabilities without requiring chassis replacement or extensive modifications.

Key benefits include adding storage capacity in a compact footprint, compatibility with Lenovo’s system firmware and hardware ecosystem, and ease of installation with full manufacturer support. The kit is ideal for data center or enterprise environments where scalable storage and system uptime are essential.