Lenovo ThinkSystem USB 3.0 Internal Host Interface Drive Dock

Overview

The Lenovo 4T27A80485 is an internal host interface drive dock designed specifically for ThinkSystem servers. It provides a convenient solution for adding removable storage within a standard 5.25 inch half-height drive bay, eliminating the need for external cables or mounting brackets. With USB 3.0 connectivity, it supports fast data transfer speeds suitable for backup and archival tasks, and can accommodate RDX cartridges up to 4 TB in capacity. Its hot-swappable design allows IT administrators to replace cartridges without powering down the server, minimizing downtime and maintaining continuous operation.

Key features

• USB 3.0 interface ensures rapid data transfer between the dock and the host server, keeping backup processes efficient.
• Single-bay design accepts one RDX removable cartridge, simplifying storage management and media handling.
• Compact form factor fits seamlessly into a 5.25 inch half-height drive bay, integrating cleanly with existing server hardware.
• Supports cartridge capacities up to 4 TB, accommodating a wide range of backup and archival storage needs.
• Hot-swappable capability enables cartridge changes without shutting down the server, reducing maintenance windows and preserving uptime.

Key specs

• Interface: USB 3.0
• Drive bay size: 5.25 inch half height
• Supported media: Single RDX removable cartridge
• Maximum cartridge capacity: 4 TB
• Hot swap support: Yes

Connectivity and compatibility

This drive dock connects to the host system via a USB 3.0 interface, which is backward compatible with USB 2.0 but optimized for higher transfer speeds. It is designed to fit into standard ThinkSystem server chassis with a 5.25 inch half-height bay, making it compatible with a variety of server models that support this form factor. The dock works exclusively with RDX removable cartridges, a widely used format for enterprise backup and archival storage.

Ideal uses and environments

The Lenovo 4T27A80485 is well suited for IT environments where reliable, removable storage is essential but space and downtime are limited. It fits well in branch offices, small data centers, and lab environments where continuous server operation is critical. Its hot-swappable design supports frequent cartridge changes for off-site rotation or incremental backups without interrupting server availability, making it a practical choice for administrators managing backup workflows and data protection strategies.