Lenovo ThinkSystem Gen4 3.5" to 2.5" Tool-Less Drive Tray

The Lenovo ThinkSystem Gen4 3.5" to 2.5" Tool-Less Drive Tray (FRU 01PE535, MPN SM17A22175) is an official Lenovo adapter that allows a 2.5-inch SAS, SATA, or SSD drive to be installed into a 3.5-inch (LFF) hot-swap drive bay.

Both part numbers refer to the same component:

• 01PE535 – Lenovo FRU (Field Replaceable Unit)

• SM17A22175 – Manufacturer Part Number (label on hardware)

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Product Specifications

• Part Numbers: 01PE535 / SM17A22175

• Function: Converts 2.5" drive to 3.5" LFF footprint

• Drive Support: 2.5" SAS, SATA HDD, or SSD

• Installation: Tool-less (no screws required)

• Hot-Swap: Yes, when used with compatible Lenovo backplanes

• Dimensions: Approx. 148mm (L) x 120mm (W) x 16mm (H)

• Weight: Approx. 0.10 kg (0.22 lbs)

Designed specifically for Lenovo Gen4 drive cage systems.

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Compatible Lenovo ThinkSystem Servers

This tray is commonly used in Lenovo ThinkSystem Gen4 (M5/V1/V2/V3 platform family) servers with 3.5-inch LFF bays, including:

Rack Servers

• Lenovo ThinkSystem SR550

• Lenovo ThinkSystem SR630

• Lenovo ThinkSystem SR650

• Lenovo ThinkSystem SR850

Tower Server

• Lenovo ThinkSystem ST550

Other Platforms

• Lenovo ThinkSystem SD530

• Lenovo ThinkSystem SN550

Compatibility depends on having 3.5-inch LFF hot-swap bays.

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Summary

The Lenovo 01PE535 / SM17A22175 drive tray is an official Gen4 tool-less adapter designed to securely mount 2.5" drives into 3.5" hot-swap bays across multiple ThinkSystem server platforms. It ensures proper alignment, hot-plug functionality, and enterprise-grade fitment within Lenovo LFF chassis systems.