Lenovo 32GB DDR4 PC4-21300 288-pin SDRAM UDIMM Memory Module

The Lenovo 4ZC7A15142 is a server-grade memory module that delivers 32 GB of DDR4 capacity at 2666 MHz for Lenovo ThinkSystem platforms. Built on TruDDR4 technology, it offers error-correcting code to help prevent data corruption and a dual-rank, unbuffered design that installs easily into a 288-pin DIMM slot.

This module is an ideal upgrade for ThinkSystem SR250, ST250, and ST50 servers that run virtualization, database, or file sharing workloads. Administrators who need dependable uptime will appreciate the ECC feature, which continually checks and corrects memory errors to keep applications stable. Running at only 1.20 V, it also supports energy-efficient operation in branch offices, small data centers, or remote locations where power budgets matter.

Lenovo validates each TruDDR4 module to strict reliability standards, so the 4ZC7A15142 integrates seamlessly with system firmware and management tools. Installation requires no special tools—simply seat the module in an open DIMM slot, power up, and the server recognizes the additional capacity immediately. Whether you are expanding headroom for virtual machines or safeguarding sensitive transactions, this memory upgrade provides the consistency, performance, and peace of mind expected from Lenovo server components.

• 32 GB DDR4 capacity for higher virtual machine or application density
• 2666 MHz speed that matches PC4-21300 specifications
• Error-correcting code that detects and corrects memory errors in real time
• Unbuffered dual-rank DIMM suitable for standard server memory channels
• 288-pin configuration that fits Lenovo ThinkSystem DIMM sockets
• Operates at 1.20 V to help reduce overall system power draw
• CL19 latency tuned for balanced performance and stability
• Qualified for Lenovo ThinkSystem SR250, ST250, and ST50 servers