Lenovo 5b21j05042 32GB DDR4 Memory Module

Product Description

The LENOVO 5b21j05042 is a factory replacement memory module designed for compatible Lenovo laptop and computing systems. Sourced as a Lenovo Field Replacement Unit (FRU), this module carries a 32GB capacity and is paired with an N4500 platform reference, indicating fitment within specific Lenovo notebook configurations. FRU memory is intended for technician-level installation, typically as a direct swap during a repair or upgrade procedure. Licensed computer repair technicians and IT service professionals are the primary installers of this component.

This memory module is suited for use in Lenovo-branded laptop systems that support the N4500 processor platform. It is positioned as a service replacement part rather than an aftermarket upgrade, making it appropriate for warranty or out-of-warranty repair scenarios handled by Lenovo-authorized service centers or qualified independent repair shops. The 4G memory slot designation indicates this module occupies a single memory slot within the target system.

Key Features

• 32GB capacity factory FRU memory module
• Designed for N4500 platform Lenovo systems
• OEM-spec replacement for technician service and repair
• Single-slot installation for compatible Lenovo notebooks
• Sourced directly from Lenovo parts inventory

Compatibility

Designed as an OEM FRU replacement memory module for Lenovo laptop systems referencing the N4500 platform. Confirm system compatibility using the Lenovo FRU part number 5b21j05042 before installation.

Installation Notes

Memory module installation should be performed by a qualified technician familiar with laptop disassembly procedures. Power down the system completely and disconnect all power sources, including the internal battery, before accessing the memory slot. Follow applicable electrostatic discharge (ESD) precautions throughout the procedure. Consult the Lenovo Hardware Maintenance Manual for the specific model prior to service.

Technical Specifications

• Memory Capacity: 32GB
• Platform Reference: N4500
• Memory Slot: 4G single slot
• Part Type: Field Replacement Unit (FRU)

Standard Information

• Brand: LENOVO
• Manufacturer Part Number: 5b21j05042